NEW YORK--(BUSINESS WIRE)--Fitch rates ECAF I Ltd. (ECAF I) as follows: --$459,375,000 class A-1 notes 'A-sf'; Outlook Stable; --$590,625,000 class A-2 notes 'A-sf'; Outlook Stable; --$160,000,000 class B-1 notes 'BBBsf'; Outlook Stable. KEY RATING DRIVERS Quality of Assets: The pool is of high quality, comprised mostly of tier 1 aircraft with long expected remaining useful lives. The pool has a slightly higher degree of lessee diversification, compared with recent aircraft ABS transactions, bu