Common use of Due Authorization; No Violations Clause in Contracts

Due Authorization; No Violations. The execution, delivery and performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of this Agreement, each of the other Operative Documents and each of the Pass Through Documents to which WTC, the Loan Trustee, the Subordination Agent or such Pass Through Trustee is a party, the performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of its obligations thereunder and the consummation on the Closing Date or the Issuance Date, as the case may be, of the transactions contemplated thereby, and the authentication of the Equipment Notes and the Pass Through Certificates, respectively, to be delivered on the Closing Date or the Issuance Date, as the case may be: (i) have been duly authorized by all necessary action on the part of WTC, the Loan Trustee, the Subordination Agent and such Pass Through Trustee, as the case may be, (ii) and do not violate any law or regulation of the United States or of the state of the United States in which WTC is located and which governs the trust powers of WTC or any order, writ, judgment or decree of any court, arbitrator or governmental authority applicable to WTC, the Loan Trustee, the Subordination Agent or such Pass Through Trustee or any of their assets, (iii) will not violate any provision of the charter of WTC and (iv) will not violate any provision of, or constitute a default under, any mortgage, indenture, contract, agreement or undertaking to which any of WTC, the Loan Trustee, the Subordination Agent or such Pass Through Trustee is a party or by which any of them or their respective properties may be bound or affected.

Due Authorization; No Violations. The execution, delivery and performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of this Agreement, each of the other Operative Documents and each of the Pass Through Documents to which WTC, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee is a party, the performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of its obligations thereunder and the consummation on the Closing Date or the Issuance Date, as the case may be, of the transactions contemplated thereby, and the authentication of the Equipment Notes and the Pass Through Certificates, respectively, to be delivered on the Closing Date or the Issuance Date, as the case may be: (i) have been duly authorized by all necessary action on the part of WTC, the Loan Trustee, the Subordination Agent and such Pass Through Trustee, as the case may be, (ii) and do not violate any law or regulation of the United States or of the state of the United States in which WTC is located and which governs the trust powers of WTC or any order, writ, judgment or decree of any court, arbitrator or governmental authority applicable to WTC, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee or any of their assets, (iii) will not violate any provision of the charter or by-laws of WTC and (iv) will not violate any provision of, or constitute a default under, any mortgage, indenture, contract, agreement or undertaking to which any of WTC, the Loan Trustee, the Subordination Agent or such Pass Through Trustee is a party or by which any of them or their respective properties may be bound or affected.

Due Authorization; No Violations. The execution, delivery and performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of this Agreement, each of the other Operative Documents and each of the Pass Through Documents to which WTC, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee is a party, the performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of its obligations thereunder and the consummation on the Closing Date or the Issuance Date, as the case may be, of the transactions contemplated thereby, and the authentication of the Equipment Notes and the Pass Through Certificates, respectively, to be delivered on the Closing Date or the Issuance Date, as the case may be: (i) have been duly authorized by all necessary action on the part of WTC, the Loan Trustee, the Subordination Agent and such each Pass Through Trustee, as the case may be, (ii) and do not violate any law or regulation of the United States or of the state of the United States in which WTC is located and which governs the trust powers of WTC or any order, writ, judgment or decree of any court, arbitrator or governmental authority applicable to WTC, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee or any of their assets, (iii) will not violate any provision of the charter or by-laws of WTC and (iv) will not violate any provision of, or constitute a default under, any mortgage, indenture, contract, agreement or undertaking to which any of WTC, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee is a party or by which any of them or their respective properties may be bound or affected.

Due Authorization; No Violations. The execution, delivery and performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of this Agreement, each of the other Operative Documents and each of the Pass Through Documents to which WTC, the Loan Trustee, the Subordination Agent or such Pass Through Trustee is a party, the performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of its obligations thereunder and the consummation on the Closing Date or the Issuance Date, as the case may be, of the transactions contemplated thereby, and the authentication of the Equipment Notes and the Pass Through Certificates, respectively, to be delivered on the Closing Date or the Issuance Date, as the case may be: (i) have been duly authorized by all necessary action on the part of WTC, the Loan Trustee, the Subordination Agent and such Pass Through Trustee, as the case may be, (ii) and do not violate any law or Participation Agreement (American Airlines 2019-1 Aircraft EETC) [Reg. No.] regulation of the United States or of the state of the United States in which WTC is located and which governs the trust powers of WTC or any order, writ, judgment or decree of any court, arbitrator or governmental authority applicable to WTC, the Loan Trustee, the Subordination Agent or such Pass Through Trustee or any of their assets, (iii) will not violate any provision of the charter or by-laws of WTC and (iv) will not violate any provision of, or constitute a default under, any mortgage, indenture, contract, agreement or undertaking to which any of WTC, the Loan Trustee, the Subordination Agent or such Pass Through Trustee is a party or by which any of them or their respective properties may be bound or affected.

Due Authorization; No Violations. The execution, delivery and performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of this Agreement, each of the other Operative Documents and each of the Pass Through Documents to which WTC, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee is a party, the performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of its obligations thereunder and the consummation on the Closing Date or the Issuance Date, as the case may be, of the transactions contemplated thereby, and the authentication of the Equipment Notes and the Pass Through Certificates, respectively, to be delivered on the Closing Date or the Issuance Date, as the case may be: (i) have been duly authorized by all necessary action on the part of WTC, the Loan Trustee, the Subordination Agent and such each Pass Through Trustee, as the case may be, (ii) and do not violate any law or regulation of the United States or of the state of the United States in which WTC is located and which governs the trust powers of WTC or any order, writ, judgment or decree of any Participation Agreement (2019-1 EETC) N976JT court, arbitrator or governmental authority applicable to WTC, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee or any of their assets, (iii) will not violate any provision of the charter or by-laws of WTC and (iv) will not violate any provision of, or constitute a default under, any mortgage, indenture, contract, agreement or undertaking to which any of WTC, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee is a party or by which any of them or their respective properties may be bound or affected.

Due Authorization; No Violations. The execution, delivery and performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of this Agreement, each of the other Operative Documents and each of the Pass Through Documents to which WTC, the Loan Trustee, the Subordination Agent or such Pass Through Trustee is a party, the performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of its obligations thereunder and the consummation on the Closing Date or the Issuance Date, as the case may be, of the transactions contemplated thereby, and the authentication of the Equipment Notes and the Pass Participation Agreement (American Airlines 2017-2 Aircraft EETC) [Reg. No.] Through Certificates, respectively, to be delivered on the Closing Date or the Issuance Date, as the case may be: (i) have been duly authorized by all necessary action on the part of WTC, the Loan Trustee, the Subordination Agent and such Pass Through Trustee, as the case may be, (ii) and do not violate any law or regulation of the United States or of the state of the United States in which WTC is located and which governs the trust powers of WTC or any order, writ, judgment or decree of any court, arbitrator or governmental authority applicable to WTC, the Loan Trustee, the Subordination Agent or such Pass Through Trustee or any of their assets, (iii) will not violate any provision of the charter of WTC and (iv) will not violate any provision of, or constitute a default under, any mortgage, indenture, contract, agreement or undertaking to which any of WTC, the Loan Trustee, the Subordination Agent or such Pass Through Trustee is a party or by which any of them or their respective properties may be bound or affected.

Due Authorization; No Violations. The execution, delivery and performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of this AgreementAmendment, the Second Indenture Amendment, the Series C Equipment Notes and each of the other Operative Documents and each of the Pass Through Documents to which WTC, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee is a party, the performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of its obligations hereunder or thereunder and the consummation on the Series C Closing Date or the Issuance Date, as the case may be, of the transactions contemplated hereby or thereby, and the authentication of the Series C Equipment Notes and the Pass Through Certificates, respectively, Class C Certificates to be delivered on the Series C Closing Date or the Issuance Date, as the case may be: (i) have been duly authorized by all necessary action on the part of WTC, the Loan Trustee, the Subordination Agent and such each Pass Through Trustee, as the case may be, (ii) and do not violate any law or regulation of the United States or of the state of the United States in which WTC is located and which governs the trust powers of WTC or any order, writ, judgment or decree of any court, arbitrator or governmental authority applicable to WTC, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee or any of their assets, (iii) will not violate any provision of the charter or by-laws of WTC and (iv) will not violate any provision of, or constitute a default under, any mortgage, indenture, contract, agreement or undertaking to which any of WTC, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee is a party or by which any of them or their respective properties may be bound or affected.

Due Authorization; No Violations. The execution, delivery and performance by WTCU.S. Bank, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of this Agreement, each of the other Operative Documents and each of the Pass Through Documents to which WTCU.S. Bank, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee is a party, the performance by WTCU.S. Bank, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Participation Agreement (2020-1 EETC) N568AS Through Trustee, as the case may be, of its obligations thereunder and the consummation on the Closing Date or the Issuance Date, as the case may be, of the transactions contemplated thereby, and the authentication of the Equipment Notes and the Pass Through Certificates, respectively, to be delivered on the Closing Date or the Issuance Date, as the case may be: (i) have been duly authorized by all necessary action on the part of WTCU.S. Bank, the Loan Trustee, the Subordination Agent and such Pass Through Trustee, as the case may be, (ii) and do not violate any law or regulation of the United States or of the state of the United States in which WTC U.S. Bank is located and which governs the banking and trust powers of WTC U.S. Bank or any order, writ, judgment or decree of any court, arbitrator or governmental authority applicable to WTCU.S. Bank, the Loan Trustee, the Subordination Agent or such Pass Through Trustee or any of their assets, (iii) will not violate any provision of the charter articles of WTC association or by-laws of U.S. Bank and (iv) will not violate any provision of, or constitute a default under, any mortgage, indenture, contract, agreement or undertaking to which any of WTCU.S. Bank, the Loan Trustee, the Subordination Agent or such Pass Through Trustee is a party or by which any of them or their respective properties may be bound or affected.

Due Authorization; No Violations. The execution, delivery and performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of this Agreement, each of the other Operative Documents and each of the Pass Through Documents to which WTC, the Loan Trustee, the Subordination Agent or such Pass Through Trustee is a party, the performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of its obligations thereunder and the consummation on the Closing Date or the Issuance Date, as the case may be, of the transactions contemplated thereby, and the authentication of the Equipment Notes and the Pass Through Certificates, respectively, to be delivered on the Closing Date or the Issuance Date, as the case may be: (i) have been duly authorized by all necessary action on the part of WTC, the Loan Trustee, the Subordination Agent and such Pass Through Trustee, as the case may be, (ii) and do not violate any law or Participation Agreement (American Airlines 2016-1 Aircraft EETC) [Reg. No.] regulation of the United States or of the state of the United States in which WTC is located and which governs the trust powers of WTC or any order, writ, judgment or decree of any court, arbitrator or governmental authority applicable to WTC, the Loan Trustee, the Subordination Agent or such Pass Through Trustee or any of their assets, (iii) will not violate any provision of the charter of WTC and (iv) will not violate any provision of, or constitute a default under, any mortgage, indenture, contract, agreement or undertaking to which any of WTC, the Loan Trustee, the Subordination Agent or such Pass Through Trustee is a party or by which any of them or their respective properties may be bound or affected.

Due Authorization; No Violations. The execution, delivery and performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of this Agreement, each of the other Operative Documents and each of the Pass Through Documents to which WTC, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee is a party, the performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of its obligations thereunder and the consummation on the Closing Date, the Original Issuance Date or the Class C Issuance Date, as the case may be, of the transactions contemplated thereby, and the authentication of the Equipment Notes and the Pass Through Certificates, respectively, delivered or to be delivered on the Closing Date, the Original Issuance Date or the Class C Issuance Date, as the case may be: (i) have been duly authorized by all necessary action on the part of WTC, the Loan Trustee, the Subordination Agent and such each Pass Through Trustee, as the case may be, (ii) and do not violate any law or regulation of the United States or of the state of the United States in which WTC is located and which governs the trust powers of WTC or any order, writ, judgment or decree of Participation Agreement (American Airlines 2013-1 Aircraft EETC) [Reg. No.] any court, arbitrator or governmental authority applicable to WTC, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee or any of their assets, (iii) will not violate any provision of the charter or by-laws of WTC and (iv) will not violate any provision of, or constitute a default under, any mortgage, indenture, contract, agreement or undertaking to which any of WTC, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee is a party or by which any of them or their respective properties may be bound or affected.

Due Authorization; No Violations. The execution, delivery and performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of this AgreementAmendment, the First Indenture Amendment, the Series B Equipment Notes and each of the other Operative Documents and each of the Pass Through Documents to which WTC, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee is a party, the performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of its obligations hereunder or thereunder and the consummation on the Series B Closing Date or the Issuance Date, as the case may be, of the transactions contemplated hereby or thereby, and the authentication of the Series B Equipment Notes and the Pass Through Certificates, respectively, Class B Certificates to be delivered on the Series B Closing Date or the Issuance Date, as the case may be: (i) have been duly authorized by all necessary action on the part of WTC, the Loan Trustee, the Subordination Agent and such each Pass Through Trustee, as the case may be, (ii) and do not violate any law or regulation of the United States or of the state of the United States in which WTC is located and which governs the trust powers of WTC or any order, writ, judgment or decree of any court, arbitrator or governmental authority applicable to WTC, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee or any of their assets, (iii) will not violate any provision of the charter or by-laws of WTC and (iv) will not violate any provision of, or constitute a default under, any mortgage, indenture, contract, agreement or undertaking to which any of WTC, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee is a party or by which any of them or their respective properties may be bound or affected.

Due Authorization; No Violations. The execution, delivery and performance by WTCU.S. Bank, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of this Agreement, each of the other Operative Documents and each of the Pass Through Documents to which WTCU.S. Bank, the Loan Trustee, the Subordination Agent or such Pass Participation Agreement (2010-1 EETC) [Reg. No.] 18 Through Trustee is a party, the performance by WTCU.S. Bank, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of its obligations thereunder and the consummation on the Closing Date or the Issuance Date, as the case may be, of the transactions contemplated thereby, and the authentication of the Equipment Notes and the Pass Through Certificates, respectively, to be delivered on the Closing Date or the Issuance Date, as the case may be: (i) have been duly authorized by all necessary action on the part of WTCU.S. Bank, the Loan Trustee, the Subordination Agent and such Pass Through Trustee, as the case may be, (ii) and do not violate any law or regulation of the United States or of the state of the United States in which WTC U.S. Bank is located and which governs the banking and trust powers of WTC U.S. Bank or any order, writ, judgment or decree of any court, arbitrator or governmental authority applicable to WTCU.S. Bank, the Loan Trustee, the Subordination Agent or such Pass Through Trustee or any of their assets, (iii) will not violate any provision of the charter articles of WTC association or by-laws of U.S. Bank and (iv) will iv)will not violate any provision of, or constitute a default under, any mortgage, indenture, contract, agreement or undertaking to which any of WTCU.S. Bank, the Loan Trustee, the Subordination Agent or such Pass Through Trustee is a party or by which any of them or their respective properties may be bound or affected.

Due Authorization; No Violations. The execution, delivery and performance by WTCWTNA, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of this Agreement, each of the other Operative Documents and each of the Pass Through Documents to which WTCWTNA, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee is a party, the performance by WTCWTNA, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of its obligations thereunder and the consummation on the Closing Date or the Issuance Date, as the case may be, of the transactions contemplated thereby, and the authentication of the Equipment Notes and the Pass Through Certificates, respectively, to be delivered on the Closing Date or the Issuance Date, as the case may be: (i) have been duly authorized by all necessary action on the part of WTCWTNA, the Loan Trustee, the Subordination Agent and such each Pass Through Trustee, as the case may be, (ii) and do not violate any law or regulation of the United States or of the state of the United States in which WTC WTNA is located and which governs the banking and trust powers of WTC WTNA or any order, writ, judgment or decree of any court, arbitrator or governmental authority applicable to WTCWTNA, the Loan Trustee, the Subordination Agent or such any Pass Through Participation Agreement (Spirit 2015-1 EETC) [Reg. No.] Trustee or any of their assets, (iii) will not violate any provision of the charter or by-laws of WTC WTNA and (iv) will not violate any provision of, or constitute a default under, any mortgage, indenture, contract, agreement or undertaking to which any of WTCWTNA, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee is a party or by which any of them or their respective properties may be bound or affected.

Due Authorization; No Violations. The execution, delivery and performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of this Agreement, each of the other Operative Documents and each of the Pass Through Documents to which WTC, the Loan Trustee, the Subordination Agent or such Pass Through Trustee is a party, the performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as Participation Agreement (American Airlines 2015-1 Aircraft EETC) [Reg. No.] the case may be, of its obligations thereunder and the consummation on the Closing Date or the Issuance Date, as the case may be, of the transactions contemplated thereby, and the authentication of the Equipment Notes and the Pass Through Certificates, respectively, to be delivered on the Closing Date or the Issuance Date, as the case may be: (i) have been duly authorized by all necessary action on the part of WTC, the Loan Trustee, the Subordination Agent and such Pass Through Trustee, as the case may be, (ii) and do not violate any law or regulation of the United States or of the state of the United States in which WTC is located and which governs the trust powers of WTC or any order, writ, judgment or decree of any court, arbitrator or governmental authority applicable to WTC, the Loan Trustee, the Subordination Agent or such Pass Through Trustee or any of their assets, (iii) will not violate any provision of the charter of WTC and (iv) will not violate any provision of, or constitute a default under, any mortgage, indenture, contract, agreement or undertaking to which any of WTC, the Loan Trustee, the Subordination Agent or such Pass Through Trustee is a party or by which any of them or their respective properties may be bound or affected.

Due Authorization; No Violations. The execution, delivery and performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of this AgreementAmendment, the First Indenture Amendment, the Series B Equipment Notes, each of the other Operative Documents and each of the Pass Through Documents to which WTC, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee is a party, the performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of its obligations hereunder or thereunder and the consummation on the Series B Closing Date or the Issuance Date, as the case may be, of the transactions contemplated hereby or thereby, and the authentication of the Series B Equipment Notes and the Pass Through Certificates, respectively, Class B Certificates to be delivered on the Series B Closing Date or the Issuance Date, as the case may be: (i) have been duly authorized by all necessary action on the part of WTC, the Loan Trustee, the Subordination Agent and such each Pass Through Trustee, as the case may be, (ii) and do not violate any law or regulation of the United States or of the state of the United States in which WTC is (American Airlines 2017-2B Aircraft EETC) [Reg. No.] located and which governs the trust powers of WTC or any order, writ, judgment or decree of any court, arbitrator or governmental authority applicable to WTC, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee or any of their assets, (iii) will not violate any provision of the charter or by-laws of WTC and (iv) will not violate any provision of, or constitute a default under, any mortgage, indenture, contract, agreement or undertaking to which any of WTC, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee is a party or by which any of them or their respective properties may be bound or affected.

Due Authorization; No Violations. The execution, delivery and performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of this Agreement, each of the other Operative Documents and each of the Pass Through Documents to which WTC, the Loan Trustee, the Subordination Agent or such Pass Through Trustee is a party, the performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of its obligations thereunder and the consummation on the Closing Date or the applicable Issuance Date, as the case may be, of the transactions contemplated thereby, and the authentication of the Equipment Notes Participation Agreement (American Airlines 2016-2 Aircraft EETC) [Reg. No.] and the Pass Through Certificates, respectively, to be delivered on the Closing Date or the applicable Issuance Date, as the case may be: (i) have been duly authorized by all necessary action on the part of WTC, the Loan Trustee, the Subordination Agent and such Pass Through Trustee, as the case may be, (ii) and do not violate any law or regulation of the United States or of the state of the United States in which WTC is located and which governs the trust powers of WTC or any order, writ, judgment or decree of any court, arbitrator or governmental authority applicable to WTC, the Loan Trustee, the Subordination Agent or such Pass Through Trustee or any of their assets, (iii) will not violate any provision of the charter of WTC and (iv) will not violate any provision of, or constitute a default under, any mortgage, indenture, contract, agreement or undertaking to which any of WTC, the Loan Trustee, the Subordination Agent or such Pass Through Trustee is a party or by which any of them or their respective properties may be bound or affected.

Due Authorization; No Violations. The execution, delivery and performance by WTCWTNA, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of this AgreementAmendment, the First Indenture Amendment, the Series C Equipment Notes and each of the other Operative Documents and each of the Pass Through Documents to which WTCWTNA, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee is a party, the performance by WTCWTNA, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of its obligations hereunder or thereunder and the consummation on the Series C Closing Date or the Issuance Date, as the case may be, of the transactions contemplated hereby or thereby, and the authentication of the Series C Equipment Notes and the Pass Through Certificates, respectively, Class C Certificates to be delivered on the Series C Closing Date or the Issuance Date, as the case may be: (i) have been duly authorized by all necessary action on the part of WTCWTNA, the Loan Trustee, the Subordination Agent and such each Pass Through Trustee, as the case may be, (ii) and do not violate any law or regulation of the United States or of the state of the United States in which WTC WTNA is located and which governs the banking and trust powers of WTC WTNA or (Spirit 2017-1 EETC) [Reg. No.] Exhibit 4.12 any order, writ, judgment or decree of any court, arbitrator or governmental authority applicable to WTCWTNA, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee or any of their assets, (iii) will not violate any provision of the charter or by-laws of WTC WTNA and (iv) will not violate any provision of, or constitute a default under, any mortgage, indenture, contract, agreement or undertaking to which any of WTCWTNA, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee is a party or by which any of them or their respective properties may be bound or affected.

Due Authorization; No Violations. The execution, delivery and performance by WTCWTNA, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of this Agreement, each of the other Operative Documents and each of the Pass Through Documents to which WTCWTNA, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee is a party, the performance by WTCWTNA, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of its obligations thereunder and the consummation on the Closing Date or the Issuance Date, as the case may be, of the transactions contemplated thereby, and the authentication of the Equipment Notes and the Pass Through Certificates, respectively, to be delivered on the Closing Date or the Issuance Date, as the case may be: (i) have been duly authorized by all necessary action on the part of WTCWTNA, the Loan Trustee, the Subordination Agent and such each Pass Through Trustee, as the case may be, (ii) and do not violate any law or regulation of the United States or of the state of the United States in which WTC WTNA is located and which governs the banking and trust powers of WTC WTNA or any order, writ, judgment or decree of any court, arbitrator or governmental authority applicable to WTCWTNA, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee or any of their assets, (iii) will not violate any provision of the charter or by-laws of WTC WTNA and (iv) will not violate any provision of, or constitute a default under, any mortgage, indenture, contract, agreement or undertaking to 20 Participation Agreement (Spirit 2017-1 EETC) [Reg. No.] which any of WTCWTNA, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee is a party or by which any of them or their respective properties may be bound or affected.

Due Authorization; No Violations. The execution, delivery and performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of this Agreement, each of the other Operative Documents and each of the Pass Through Documents to which WTC, the Loan Trustee, the Subordination Agent or such Pass Through Trustee is a party, the performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of its obligations thereunder and the consummation on the Closing Date or the Issuance Date, as the case may be, of the transactions contemplated thereby, and the authentication of the Equipment Notes and the Pass Through Certificates, respectively, to be delivered on the Closing Date or the Issuance Date, as the case may be: (i) have been duly authorized by all necessary action on the part of WTC, the Loan Trustee, the Subordination Agent and such Pass Through Trustee, as the case may be, (ii) and do not violate any law or regulation of the United States or of the state of the United States in which WTC is located and which governs the trust powers of WTC or any order, writ, judgment or decree of any court, arbitrator or governmental authority applicable to WTC, the Loan Trustee, the Subordination Agent or such Pass Through Trustee or any of their assets, (iii) will not violate any provision of the charter or by-laws of WTC and (iv) will not violate any provision of, or constitute a default under, any mortgage, indenture, contract, agreement or undertaking to which any of WTC, the Loan Trustee, the Subordination Agent or such Pass Through Trustee is a party or by which any of them or their respective properties may be bound or affected. 20 Participation Agreement (American Airlines 2021-1 EETC) [Reg. No.]

Due Authorization; No Violations. The execution, delivery and performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of this AgreementAmendment, the First Indenture Amendment, the Series C Equipment Notes, each of the other Operative Documents and each of the Pass Through Documents to which WTC, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee is a party, the performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of its obligations hereunder or thereunder and the consummation on the Series C Closing Date or the Issuance Date, as the case may be, of the transactions contemplated hereby or thereby, and the authentication of the Series C Equipment Notes and the Pass Through Certificates, respectively, Class C Certificates to be delivered on the Series C Closing Date or the Issuance Date, as the case may be: (i) have been duly authorized by all necessary action on the part of WTC, the Loan Trustee, the Subordination Agent and such each Pass Through Trustee, as the case may be, (ii) and do not violate any law or regulation of the United States or of the state of the United States in which WTC is located and which governs the trust powers of WTC or any order, writ, judgment or decree of any court, arbitrator or governmental authority applicable to WTC, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee or any of their assets, (iii) will not violate any provision of the charter or by-laws of WTC and (iv) will not violate any provision of, or constitute a default under, any mortgage, indenture, contract, agreement or undertaking to which any of WTC, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee is a party or by which any of them or their respective properties may be bound or affected.

Due Authorization; No Violations. The execution, delivery and performance by WTCU.S. Bank, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of this Agreement, each of the other Operative Documents and each of the Pass Through Documents to which WTCU.S. Bank, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee is a party, the performance by WTCU.S. Bank, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of its obligations thereunder and the consummation on the Closing Date or the Issuance Date, as the case may be, of the transactions Participation Agreement (American Airlines 2011-1 Aircraft EETC) [Reg. No.] contemplated thereby, and the authentication of the Equipment Notes and the Pass Through Certificates, respectively, to be delivered on the Closing Date or the Issuance Date, as the case may be: (i) have been duly authorized by all necessary action on the part of WTCU.S. Bank, the Loan Trustee, the Subordination Agent and such each Pass Through Trustee, as the case may be, (ii) and do not violate any law or regulation of the United States or of the state of the United States in which WTC U.S. Bank is located and which governs the banking and trust powers of WTC U.S. Bank or any order, writ, judgment or decree of any court, arbitrator or governmental authority applicable to WTCU.S. Bank, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee or any of their assets, (iii) will not violate any provision of the charter articles of WTC association or by-laws of U.S. Bank and (iv) will not violate any provision of, or constitute a default under, any mortgage, indenture, contract, agreement or undertaking to which any of WTCU.S. Bank, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee is a party or by which any of them or their respective properties may be bound or affected.

Due Authorization; No Violations. The execution, delivery and performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of this Agreement, each of the other Operative Documents and each of the Pass Through Documents to which WTC, the Loan Trustee, the Subordination Agent or such Pass Through Trustee is a party, the performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of its obligations thereunder and the consummation on the Closing Date or the applicable Issuance Date, as the case may be, of the transactions contemplated thereby, and the authentication of the Equipment Notes and the Pass Through Certificates, respectively, to be delivered on the Closing Date or the applicable Issuance Date, as the case may be: (i) have been duly authorized by all necessary action on the part of WTC, the Loan Trustee, the Subordination Agent and such Pass Through Trustee, as the case may be, (ii) and do not violate any law or regulation of the United States or of the state of the United States in which WTC is located and which governs the trust powers of WTC or any order, writ, judgment or decree of any court, arbitrator or governmental authority applicable to WTC, the Loan Trustee, the Subordination Agent or such Pass Through Trustee or any of their assets, (iii) will not violate any provision of the charter of WTC and (iv) will not violate any provision of, or constitute a default under, any mortgage, indenture, contract, agreement or undertaking to which any of WTC, the Loan Trustee, the Subordination Agent or such Pass Through Trustee is a party or by which any of them or their respective properties may be bound or affected.

Due Authorization; No Violations. The execution, delivery and performance by WTCWTNA, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of this AgreementAmendment, the First Indenture Amendment, the Series C Equipment Notes and each of the other Operative Documents and each of the Pass Through Documents to which WTCWTNA, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee is a party, the performance by WTCWTNA, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of its obligations hereunder or thereunder and the consummation on the Series C Closing Date or the Issuance Date, as the case may be, of the transactions contemplated hereby or thereby, and the authentication of the Series C Equipment Notes and the Pass Through Certificates, respectively, Class C Certificates to be delivered on the Series C Closing Date or the Issuance Date, as the case may be: (i) have been duly authorized by all necessary action on the part of WTCWTNA, the Loan Trustee, the Subordination Agent and such each Pass Through Trustee, as the case may be, (ii) and do not violate any law or regulation of the United States or of the state of the United States in which WTC WTNA is located and which governs the banking and trust powers of WTC WTNA or any order, writ, judgment or decree of any court, arbitrator or governmental authority applicable to WTCWTNA, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee or any of their assets, (iii) will not violate any provision of the charter or by-laws of WTC WTNA and (iv) will not violate any provision of, or constitute a default under, any mortgage, indenture, contract, agreement or undertaking to which any of WTCWTNA, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee is a party or by which any of them or their respective properties may be bound or affected.

Due Authorization; No Violations. The execution, delivery and performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of this Agreement, each of the other Operative Documents and each of the Pass Through Documents to which WTC, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee is a party, the performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of its obligations thereunder and the consummation on the Closing Date or the Issuance Date, as the case may be, of the transactions contemplated thereby, and the authentication of the Equipment Notes and the Pass Through Certificates, respectively, to be delivered on the Closing Date or the Issuance Date, as the case may be: (i) have been duly authorized by all necessary action on the part of WTC, the Loan Trustee, the Subordination Agent and such each Pass Through Trustee, as the case may be, (ii) and do not violate any law or regulation of the United States or of the state of the United States in which WTC is located and which governs the trust powers of WTC or any order, writ, judgment or decree of any court, arbitrator or governmental authority applicable to WTC, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee or any of Participation Agreement (American Airlines 2013-1 Aircraft EETC) [Reg. No.] their assets, (iii) will not violate any provision of the charter or by-laws of WTC and (iv) will not violate any provision of, or constitute a default under, any mortgage, indenture, contract, agreement or undertaking to which any of WTC, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee is a party or by which any of them or their respective properties may be bound or affected.

Due Authorization; No Violations. The execution, delivery and performance by WTCWTNA, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of this Agreement, each of the other Operative Documents and each of the Pass Through Documents to which WTCWTNA, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee is a party, the performance by WTCWTNA, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of its obligations thereunder and the consummation on the Closing Date, the Original Issuance Date or the Class C Issuance Date, as the case may be, of the transactions contemplated thereby, and the authentication of the Equipment Notes and the Pass Through Certificates, respectively, delivered or to be delivered on the Closing Date, the Original Issuance Date or the Class C Issuance Date, as the case may be: (i) have been duly authorized by all necessary action on the part of WTCWTNA, the Loan Trustee, the Subordination Agent and such each Pass Through Trustee, as the case may be, (ii) and do not violate any law or regulation of the United States or of the state of the United States in which WTC WTNA is located and which governs the banking and trust powers of WTC WTNA or any order, writ, judgment or decree of any court, arbitrator or governmental authority applicable to WTCWTNA, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee or any of their assets, (iii) will not violate any provision of the charter or by-laws of WTC WTNA and (iv) will not violate any provision of, or constitute a default under, any mortgage, indenture, contract, agreement or undertaking to which any of WTCWTNA, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee is a party or by which any of them or their respective properties may be bound or affected.

Due Authorization; No Violations. The execution, delivery and performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of this Agreement, each of the other Operative Documents and each of the Pass Through Documents to which WTC, the Loan Trustee, the Subordination Agent or such Pass Through Trustee is a party, the performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of its obligations thereunder and the consummation on the Closing Date or the Issuance Date, as the case may be, of the transactions contemplated thereby, and the authentication of the Equipment Notes and the Pass Through Certificates, respectively, to be delivered on the Closing Date or the Issuance Date, as the case may be: (i) have been duly authorized by all necessary action on the part of WTC, the Loan Trustee, the Subordination Agent and such Pass Through Trustee, as the case may be, (ii) and do not violate any law or regulation of the United States or of the state of the United States in which WTC is located and which governs the trust powers of WTC or any order, writ, judgment or decree of any court, arbitrator or governmental authority applicable to WTC, the Loan Trustee, the Subordination Agent or such Pass Through Trustee or any of their assets, (iii) will not violate any provision of the charter or by-laws of WTC and (iv) will not violate any provision of, or constitute a default under, any mortgage, indenture, contract, agreement or undertaking to which any of WTC, the Loan Trustee, the Subordination Agent or such Pass Through Trustee is a party or by which any of them or their respective properties may be bound or affected. Participation Agreement (American Airlines 2013-2 Aircraft EETC) [Reg. No.]

Due Authorization; No Violations. The execution, delivery and performance by WTC, individually or in its capacity as Loan Trustee, Subordination First Amendment to Participation Agreement (American Airlines 2016-2B Aircraft EETC) [Reg. No.] Agent or such Pass Through Trustee, as the case may be, of this AgreementAmendment, the First Indenture Amendment, the Series B Equipment Notes, each of the other Operative Documents and each of the Pass Through Documents to which WTC, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee is a party, the performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of its obligations hereunder or thereunder and the consummation on the Series B Closing Date or the Issuance Date, as the case may be, of the transactions contemplated hereby or thereby, and the authentication of the Series B Equipment Notes and the Pass Through Certificates, respectively, Class B Certificates to be delivered on the Series B Closing Date or the Issuance Date, as the case may be: (i) have been duly authorized by all necessary action on the part of WTC, the Loan Trustee, the Subordination Agent and such each Pass Through Trustee, as the case may be, (ii) and do not violate any law or regulation of the United States or of the state of the United States in which WTC is located and which governs the trust powers of WTC or any order, writ, judgment or decree of any court, arbitrator or governmental authority applicable to WTC, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee or any of their assets, (iii) will not violate any provision of the charter or by-laws of WTC and (iv) will not violate any provision of, or constitute a default under, any mortgage, indenture, contract, agreement or undertaking to which any of WTC, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee is a party or by which any of them or their respective properties may be bound or affected.

Due Authorization; No Violations. The execution, delivery and performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of this Agreement, each of the other Operative Documents and each of the Pass Through Documents to which WTC, the Loan Trustee, the Subordination Agent or such Pass Through Trustee is a party, the performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of its obligations thereunder and the consummation on the Closing Date or the Issuance Date, as the case may be, of the transactions contemplated thereby, and the authentication of the Equipment Notes and the Pass Participation Agreement (American Airlines 2016-2 Aircraft EETC) [Reg. No.] Through Certificates, respectively, to be delivered on the Closing Date or the Issuance Date, as the case may be: (i) have been duly authorized by all necessary action on the part of WTC, the Loan Trustee, the Subordination Agent and such Pass Through Trustee, as the case may be, (ii) and do not violate any law or regulation of the United States or of the state of the United States in which WTC is located and which governs the trust powers of WTC or any order, writ, judgment or decree of any court, arbitrator or governmental authority applicable to WTC, the Loan Trustee, the Subordination Agent or such Pass Through Trustee or any of their assets, (iii) will not violate any provision of the charter of WTC and (iv) will not violate any provision of, or constitute a default under, any mortgage, indenture, contract, agreement or undertaking to which any of WTC, the Loan Trustee, the Subordination Agent or such Pass Through Trustee is a party or by which any of them or their respective properties may be bound or affected.

Due Authorization; No Violations. The execution, delivery and performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of this AgreementAmendment, the First Indenture Amendment, the Series B Equipment Notes and each of the other Operative Documents and each of the Pass Through Documents to which WTC, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee is a party, the performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of its obligations hereunder or thereunder and the consummation on the Series B Closing Date or the Issuance Date, as the case may be, of the transactions contemplated hereby or thereby, and the authentication of the Series B Equipment Notes and the Pass Through Certificates, respectively, Class B Certificates to be delivered on the Series B Closing Date or the Issuance Date, as the case may be: (i) have been duly authorized by all necessary action on the part of WTC, the Loan Trustee, the Subordination Agent and such each Pass Through Trustee, as the case may be, (ii) and do not violate any law or regulation of the United States or of the state of the United States in which WTC is located and which governs the trust powers of WTC or any order, writ, judgment or decree of any court, arbitrator or governmental authority applicable to WTC, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee or any of their assets, (iii) will not violate any provision of the charter or by-laws of WTC and (iv) will not violate any provision of, or constitute a default under, any mortgage, indenture, contract, agreement or undertaking to which any of WTC, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee is a party or by which any of them or their respective properties may be bound or affected.

Due Authorization; No Violations. The execution, delivery and performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of this Agreement, each of the other Operative Documents and each of the Pass Through Documents to which WTC, the Loan Trustee, the Subordination Agent or such Pass Through Trustee is a party, the performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of its obligations thereunder and the consummation on the Closing Date or the Issuance Date, as the case may be, of the transactions contemplated thereby, and the authentication of the Equipment Notes and the Pass Participation Agreement (American Airlines 2017-1 Aircraft EETC) [Reg. No.] Through Certificates, respectively, to be delivered on the Closing Date or the Issuance Date, as the case may be: (i) have been duly authorized by all necessary action on the part of WTC, the Loan Trustee, the Subordination Agent and such Pass Through Trustee, as the case may be, (ii) and do not violate any law or regulation of the United States or of the state of the United States in which WTC is located and which governs the trust powers of WTC or any order, writ, judgment or decree of any court, arbitrator or governmental authority applicable to WTC, the Loan Trustee, the Subordination Agent or such Pass Through Trustee or any of their assets, (iii) will not violate any provision of the charter of WTC and (iv) will not violate any provision of, or constitute a default under, any mortgage, indenture, contract, agreement or undertaking to which any of WTC, the Loan Trustee, the Subordination Agent or such Pass Through Trustee is a party or by which any of them or their respective properties may be bound or affected.

Due Authorization; No Violations. The execution, delivery and performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of this Agreement, each of the other Operative Documents and each of the Pass Through Documents to which WTC, the Loan Trustee, the Subordination Agent or such Pass Through Trustee is a party, the performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of its obligations thereunder and the consummation on the Closing Date or the Issuance Date, as the case may be, of the transactions contemplated thereby, and the authentication of the Equipment Notes and the Pass Through Certificates, respectively, to be delivered on the Closing Date or the Issuance Date, as the case may be: (i) have been duly authorized by all necessary action on the part of WTC, the Loan Trustee, the Subordination Agent and such Pass Through Trustee, as the case may be, (ii) and do not violate any law or regulation of the United States or of the state of the United States in which WTC is located and which governs the trust powers of WTC or any order, writ, judgment or decree of any court, arbitrator or governmental authority applicable to WTC, the Loan Trustee, the Subordination Agent or such Pass Through Trustee or any of their assets, (iii) will not violate any provision of the charter or by-laws of WTC and (iv) will not violate any provision of, or constitute a default under, any mortgage, indenture, contract, agreement or undertaking to which any of WTC, the Loan Trustee, the Subordination Agent or such Pass Through Trustee is a party or by which any of them or their respective properties may be bound or affected.

Due Authorization; No Violations. The execution, delivery and performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of this Agreement, each of the other Operative Documents and each of the Pass Through Participation Agreement (American Airlines 2016-3 Aircraft EETC) [Reg. No.] Documents to which WTC, the Loan Trustee, the Subordination Agent or such Pass Through Trustee is a party, the performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of its obligations thereunder and the consummation on the Closing Date or the Issuance Date, as the case may be, of the transactions contemplated thereby, and the authentication of the Equipment Notes and the Pass Through Certificates, respectively, to be delivered on the Closing Date or the Issuance Date, as the case may be: (i) have been duly authorized by all necessary action on the part of WTC, the Loan Trustee, the Subordination Agent and such Pass Through Trustee, as the case may be, (ii) and do not violate any law or regulation of the United States or of the state of the United States in which WTC is located and which governs the trust powers of WTC or any order, writ, judgment or decree of any court, arbitrator or governmental authority applicable to WTC, the Loan Trustee, the Subordination Agent or such Pass Through Trustee or any of their assets, (iii) will not violate any provision of the charter of WTC and (iv) will not violate any provision of, or constitute a default under, any mortgage, indenture, contract, agreement or undertaking to which any of WTC, the Loan Trustee, the Subordination Agent or such Pass Through Trustee is a party or by which any of them or their respective properties may be bound or affected.

Due Authorization; No Violations. The execution, delivery and performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of this AgreementAmendment, the First Indenture Amendment, the Series B Equipment Notes, each of the other Operative Documents and each of the Pass Through Documents to which WTC, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee is a party, the performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of its obligations hereunder or thereunder and the consummation on the Series B Closing Date or the Issuance Date, as the case may be, of the transactions contemplated hereby or thereby, and the authentication of the Series B Equipment Notes and the Pass Through Certificates, respectively, Class B Certificates to be delivered on the Series B Closing Date or the Issuance Date, as the case may be: (i) have been duly authorized by all necessary action on the part of WTC, the Loan Trustee, the Subordination Agent and such each Pass Through Trustee, as the case may be, (ii) and do not violate any law or regulation of the United States or of the state of the United States in which WTC is located and which governs the trust powers of WTC or any order, writ, judgment or decree of any court, arbitrator or governmental authority applicable to WTC, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee or any of their assets, (iii) will not violate any provision of the charter or by-laws of WTC and (iv) will not violate any provision of, or constitute a default under, any mortgage, indenture, contract, agreement or undertaking to which any of WTC, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee is a party or by which any of them or their respective properties may be bound or affected.

Due Authorization; No Violations. The execution, delivery and performance by WTCWTNA, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of this Agreement, each of the other Operative Documents and each of the Pass Through Documents to which WTCWTNA, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee is a party, the performance by WTCWTNA, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of its obligations thereunder and the consummation on the Closing Date or the Issuance Date, as the case may be, of the transactions contemplated thereby, and the authentication of the Equipment Notes and the Pass Through Certificates, respectively, to be delivered on the Closing Date or the Issuance Date, as the case may be: (i) have been duly authorized by all necessary action on the part of WTCWTNA, the Loan Trustee, the Subordination Agent and such each Pass Through Trustee, as the case may be, (ii) and do not violate any law or regulation of the United States or of the state of the United States in which WTC WTNA is located and which governs the banking and trust powers of WTC WTNA or any order, writ, judgment or decree of any court, arbitrator or governmental authority applicable to WTCWTNA, the Loan Trustee, the Subordination Agent or such any Pass Through [Reg. No.] Trustee or any of their assets, (iii) will not violate any provision of the charter or by-laws of WTC WTNA and (iv) will not violate any provision of, or constitute a default under, any mortgage, indenture, contract, agreement or undertaking to which any of WTCWTNA, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee is a party or by which any of them or their respective properties may be bound or affected.

Due Authorization; No Violations. The execution, delivery and performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of this Agreement, each of the other Operative Documents Financing Agreements and each of the Pass Through Documents to which WTC, the Loan Trustee, the Subordination Agent or such Pass Through Trustee is a party, the performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of its obligations thereunder and the consummation on the Closing Date or the Issuance Date, as the case may be, of the transactions contemplated thereby, and the authentication of the Equipment Notes and the Pass Through Certificates, respectively, to be delivered on the Closing Date or the Issuance Date, as the case may be: (i) have been duly authorized by all necessary action on the part of WTC, the Loan Trustee, the Subordination Agent and such Pass Through Trustee, as the case may be, (ii) and do not violate any law or regulation of the United States or of the state of the United States in which WTC is located and which governs the trust powers of WTC or any order, writ, judgment or decree of any court, arbitrator or governmental authority applicable to WTC, the Loan Trustee, the Subordination Agent or such Pass Through Trustee or any of their assets, (iii) will not violate any provision of the charter of WTC and (iv) will not violate any provision of, or constitute a default under, any mortgage, indenture, contract, agreement or undertaking to which any of WTC, the Loan Trustee, the Subordination Agent or such Pass Through Trustee is a party or by which any of them or their respective properties may be bound or affected.

Due Authorization; No Violations. The execution, delivery and performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of this Agreement, each of the other Operative Documents and each of the Pass Through Documents to which WTC, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee is a party, the performance by WTC, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of its obligations thereunder and the consummation on the Closing Date or the Issuance Date, as the case may be, of the transactions contemplated thereby, and the authentication of the Equipment Notes and the Pass Through Certificates, respectively, to be delivered on the Closing Date or the Issuance Date, as the case may be: (i) have been duly authorized by all necessary action on the part of WTC, the Loan Trustee, the Subordination Agent and such each Pass Through Trustee, as the case may be, (ii) and do not violate any law or regulation of the United States or of the state of the United States in which WTC is located and which governs the trust powers of WTC or any order, writ, judgment or decree of any court, arbitrator or governmental authority applicable to WTC, the Participation Agreement (American Airlines 2013-1 Aircraft EETC) N936AN Loan Trustee, the Subordination Agent or such any Pass Through Trustee or any of their assets, (iii) will not violate any provision of the charter or by-laws of WTC and (iv) will not violate any provision of, or constitute a default under, any mortgage, indenture, contract, agreement or undertaking to which any of WTC, the Loan Trustee, the Subordination Agent or such any Pass Through Trustee is a party or by which any of them or their respective properties may be bound or affected.

Due Authorization; No Violations. The execution, delivery and performance by WTCU.S. Bank, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of this Agreement, each of the other Operative Documents and each of the Pass Through Documents to which WTCU.S. Bank, the Loan Trustee, the Subordination Agent or such Pass Through Trustee is a party, the performance by WTCU.S. Bank, individually or in its capacity as Loan Trustee, Subordination Agent or such Pass Through Trustee, as the case may be, of its obligations thereunder and the consummation on the Closing Date or the Issuance Date, as the case may be, of the transactions Participation Agreement (2011-1 EETC) [Reg. No.] 20 contemplated thereby, and the authentication of the Equipment Notes and the Pass Through Certificates, respectively, to be delivered on the Closing Date or the Issuance Date, as the case may be: (i) have been duly authorized by all necessary action on the part of WTCU.S. Bank, the Loan Trustee, the Subordination Agent and such Pass Through Trustee, as the case may be, (ii) and do not violate any law or regulation of the United States or of the state of the United States in which WTC U.S. Bank is located and which governs the banking and trust powers of WTC U.S. Bank or any order, writ, judgment or decree of any court, arbitrator or governmental authority applicable to WTCU.S. Bank, the Loan Trustee, the Subordination Agent or such Pass Through Trustee or any of their assets, (iii) will not violate any provision of the charter articles of WTC association or by-laws of U.S. Bank and (iv) will not violate any provision of, or constitute a default under, any mortgage, indenture, contract, agreement or undertaking to which any of WTCU.S. Bank, the Loan Trustee, the Subordination Agent or such Pass Through Trustee is a party or by which any of them or their respective properties may be bound or affected.