Substitution of Engines Upon the occurrence of an Event of Loss with respect to an Engine under circumstances in which an Event of Loss with respect to the Airframe has not occurred, Owner shall promptly (and in any event within 15 days after such occurrence) give the Mortgagee written notice of such Event of Loss. The Owner shall have the right at its option at any time, on at least 5 Business Days’ prior notice to the Mortgagee, to substitute, and if an Event of Loss shall have occurred with respect to an Engine under circumstances in which an Event of Loss with respect to the Airframe has not occurred, shall within 60 days of the occurrence of such Event of Loss substitute, a Replacement Engine for any Engine. In such event, immediately upon the effectiveness of such substitution and without further act, (i) the replaced Engine shall thereupon be free and clear of all rights of the Mortgagee and the Lien of this Trust Indenture and shall no longer be deemed an Engine hereunder and (ii) such Replacement Engine shall become subject to this Trust Indenture and be deemed part of the Aircraft for all purposes hereof to the same extent as the replaced Engine. Such Replacement Engine shall be an engine manufactured by Engine Manufacturer that is the same model as the Engine to be replaced thereby, or an improved model, and that is suitable for installation and use on the Airframe, and that has a value, utility and remaining useful life (without regard to hours and cycles remaining until overhaul) at least equal to the Engine to be replaced thereby (assuming that such Engine had been maintained in accordance with this Trust Indenture). The Owner’s right to make a replacement hereunder shall be subject to the fulfillment (which may be simultaneous with such replacement) of the following conditions precedent at the Owner’s sole cost and expense, and the Mortgagee agrees to cooperate with the Owner to the extent necessary to enable it to timely satisfy such conditions:
Substitution of Receipts At the request of a Holder, the Depositary shall, for the purpose of substituting a certificated Receipt with a Receipt issued through any book-entry system, including, without limitation, DRS/Profile, or vice versa, execute and Deliver a certificated Receipt or deliver a statement, as the case may be, for any authorized number of ADSs requested, evidencing the same aggregate number of ADSs as those evidenced by the relevant Receipt.