Installation of Engines and Parts. Lessee will:-
(a) ensure that, except as permitted by this Agreement, no engine or part is installed on the Aircraft unless:-
(i) in the case of an engine, it is an engine of the same model as, or an improved or advanced version of the Engine it replaces, which is in the same or better operating condition, has substantially similar hours available until the next scheduled checks, inspections, overhauls and shop visits and has the same or greater value and utility as the replaced Engine;
(ii) in the case of a part, it is in as good operating condition, has substantially similar hours available until the next scheduled checks, inspections, overhauls and shop visits, is of the same or a more advanced make and model and is of the same interchangeable modification status as the replaced Part;
(iii) in the case of a part, it has become and remains the property of Owner free from Security Interests and on installation on the Aircraft will without further act be subject to this Agreement; and
(iv) in each case, Lessee has full details as to its source and maintenance records;
(b) if no Default has occurred which is continuing, be entitled to install any engine or part on the Aircraft by way of replacement notwithstanding Clause 8.13
(a) if:-
(i) there is not available to Lessee at the time and in the place that that engine or part is required to be installed on the Aircraft, a replacement engine or, as the case may be, part complying with the requirements of Clause 8.13(a);
(ii) it would result in an unreasonable disruption of the operation of the Aircraft and/or the business of Lessee to ground the Aircraft until an engine or part, as the case may be, complying with Clause 8.13
(a) becomes available for installation on the Aircraft; and
(iii) as soon as practicable after installation of the same on the Aircraft but, in any event, no later than the Expiry Date, Lessee removes any such engine or part and replaces it with the Engine or Part replaced by it or by an engine or part, as the case may be, complying with Clause 8.13(a).
Installation of Engines and Parts. Lessee will:-
(a) ensure that, except as permitted by this Agreement, no engine or part is installed on the Aircraft unless:-
(i) in the case of an engine, it is an engine of the same model as, or an improved or advanced version of the Engine it replaces, which is in the same or better operating condition, has substantially similar hours available until the next scheduled checks, inspections, overhauls and shop visits and has the same or greater value and utility as the replaced Engine;
(ii) in the case of a part, it is in as good operating condition, has substantially similar hours available until the next scheduled checks, inspections, overhauls and shop visits, is of the same or a more advanced make and model and is of the same interchangeable modification status as the replaced Part;
(iii) in each case, it has become and remains the property of Owner free from Security Interests and on installation on the Aircraft will without further act be subject to the Head Lease, the Sub Lease and this Agreement; and
(iv) in each case, Lessee has full details as to its source and maintenance records;
Installation of Engines and Parts. 44 8.14 Non-Installed Engines and Parts.................................44 8.15 Pooling of Engines and Parts....................................45 8.16
Installation of Engines and Parts. Lessee will:-
(a) ensure that, except as permitted by this Agreement, no engine or part is installed on the Aircraft unless:-
(i) in the case of an engine, it is an engine of the same model as, or an improved or advanced version of the Engine it replaces, which is in the same or better operating condition and has the same or greater value and utility as the replaced Engine;
(ii) in the case of a part, it is in as good operating condition, has substantially similar hours available until the next scheduled checks, inspections, overhauls and shop visits, is of the same or a more advanced make and model and is of the same interchangeable modification status as the replaced Part;
(iii) in each case, it has become and remains the property of Owner free from Security Interests and on installation on the Aircraft will without further act be subject to the Head Lease, the Sub Lease and this Agreement; and
(iv) in each case, Lessee has full details as to its source and maintenance records;
Installation of Engines and Parts. 60 8.14 Non-Installed Engines and Parts . . . . . . . . . . . . . . . 62 8.15 Pooling of Engines and Parts. . . . . . . . . . . . . . . . . 63 8.16
Installation of Engines and Parts ensure that, save in accordance with Clause 13.2 and 13.3, no engine is installed in the Airframe and no Part is installed in the Airframe or any Engine, whether by way of substitution, replacement, renewal, mandatory improvement or addition unless it meets the requirements of Clause 13.3(e) and it is (i) then the property of the Head Lessor or the Beneficiary and subject to the Mortgage or (ii) is such that on installation in the Airframe or Engine title thereto shall vest in the Head Lessor and become subject to the charge created by the Mortgage but be otherwise free from Encumbrances (other than Permitted Liens), in which case the Lessee shall ensure that there is promptly recorded in the Manuals and Technical Records an acknowledgement that title thereto does so vest in the Head Lessor as aforesaid, which acknowledgement in the case of any Engine shall specify the manufacturer's serial number of the substitute or replacement Engine, and the Lessee shall ensure that as soon as practicable thereafter a notification that title does so vest in the Head Lessor is delivered to the Lessor;
Installation of Engines and Parts. The Lessee will ensure that, except as permitted by this Agreement, no engine or part is installed on the Aircraft unless Lessee complies with each of the following:
8.13.1 In the case of an engine, it is an engine of the same model and similar or higher modification level as, or an improved or advanced version of, the Engine it replaces (provided, in the case of an improved or advanced version, it can be installed and operated on the Airframe without modification of the Airframe or the engine, whether or not the other installed Engine is also such an improved or advanced version) and it has attached to it a current "serviceable tag" issued by the manufacturer or supplier indicating that the engine is new, serviceable or overhauled, and the Lessee shall retain all such tags to the extent required under Applicable Law.
8.13.2 In the case of a part, it is in as good operating condition, is of the same or a more advanced make and model and is of the same interchangeable modification status as the replaced Part and has attached to it a current "serviceable tag" issued by the manufacturer or supplier indicating that the part is new, serviceable or overhauled, and the Lessee shall retain all such tags to the extent required under Applicable Law and JAA or FAA (and shall retain all corresponding FAA form 8130-3's (if applicable) and JAA Form One's); provided, that the replacement of parts will not, in the aggregate, result in the material diminution in the value or utility of the Aircraft.
8.13.3 In the case of a part, it has become and remains the property of the Lessor free from Security Interests and on installation on the Aircraft will, without further act, be subject to this Agreement.
8.13.4 In each case, the Lessee has full details as to its source and maintenance records as required by the Aviation Authorities and JAA.
Installation of Engines and Parts. (a) Subject always to paragraph 3.2 above, Lessee may install an engine or part on the Aircraft if:
(i) in the case of an engine, it is a Suitable Replacement Engine;
(ii) in the case of a part, it is a Replacement Part;
(iii) in each case, it has become and remains the property of Lessor free from Security Interests and on installation on the Aircraft will without further act be subject to the Mortgage and this Agreement; and
(iv) in each case, Lessee has such details as to its source, maintenance records and life remaining as are required by the Air Authority and Lessee has for each Replacement Part or Suitable Replacement Engine, such technical and maintenance records as would be included for the purposes of this Agreement in the Aircraft Documents in Part 3 of Appendix 8 for each such Suitable Replacement Engine or Replacement Part if each such Suitable Replacement Engine or Replacement Part was then redelivered to Lessor pursuant to and in accordance with Appendix 8 of this Agreement;
Installation of Engines and Parts. (a) The Lessee will ensure that, except as permitted by this Agreement, no engine or part is installed on the Aircraft unless:
Installation of Engines and Parts. Subject always to paragraph 3.2 above, Lessee may install an engine or part on the Aircraft if: