Operator agrees to lease the Aircraft to Lessee pursuant to the provisions of FAR 91.501(c)(1) and to provide a fully qualified flight crew for all operations on a nonexclusive, non-continuous basis commencing on the Effective Date and continuing unless and until terminated. Either party may terminate this Agreement by giving ten (10) days written notice to the other party, provided, however that upon the termination of any Lease (as defined below) due to a Default or Event of Default thereunder (and as defined therein), this Agreement shall terminate immediately with respect to the Aircraft subject to the terminated Lease.