Sublessee will carry and maintain at its expense such insurance as required to be carried by Sublessor under the Prime Lease naming Sublessor and the Additional Insured as additional insured and Sublessor and the Loss Payees as loss payees, except that all policies and subsequent policies taken out by Sublessee in accordance with Section 11.2 of the Prime Lease will have deductibles which do not exceed, per occurrence, the deductible amount provided in the Prime Lease, and will continue such insurance for such period of time after Sublessee's return of the Aircraft to Sublessor in accordance with the Return Condition Requirements as is equal to the period of time for which Sublessor is required to maintain insurance in favor of Primer Lessor under the terms of the Prime Lease. Sublessee will deliver such certificates of insurance and letters of undertaking when and as required under the Prime Lease.