Common use of General Obligation Clause in Contracts

General Obligation. 12.1.1 During the Lease Term and until the Aircraft is returned to LESSOR, LESSEE alone has the obligation, at its expense, to maintain and repair the Aircraft, Engines and all of the Parts (a) in accordance with the Maintenance Program, (b) in accordance with the rules and regulations of the Aviation Authority, (c) in accordance with Manufacturer's type design, (d) in accordance with any other regulations or requirements necessary in order to maintain a valid Certificate of Airworthiness for the Aircraft and meet the requirements at all times during the Lease Term and upon return of the Aircraft to LESSOR for issuance of a Standard Certificate of Airworthiness for transport category aircraft issued by the Aviation Authority (except during those periods when the Aircraft is undergoing maintenance or repairs as required or permitted by this Lease) and (e) in the same manner and with the same care as used by LESSEE or its sublessee with respect to similar aircraft and engines operated by LESSEE or its sublessee and without in any way discriminating against the Aircraft. 12.1.2 LESSEE will maintain and repair the Engines in the same manner and in the equivalent time frame to its other engines and LESSEE will not discriminate against any of the Engines in respect of the repair and maintenance. 12.1.3 LESSEE will not enter into any Engine maintenance cost per flight hour, power-by-the-hour or similar agreement with Engine manufacturer or any other Engine maintenance facility or organization without LESSOR's prior written consent.