NEW YORK--(BUSINESS WIRE)--Fitch Ratings takes the following actions on five classes of Triton Aviation Finance (TAF): --Class A-1 note downgraded to 'Csf'/RE 20% from 'CCsf'/RE 70%; --Class B-1, B-2, C-1, and C-2 notes affirmed at 'Csf'/RE0%. KEY RATING DRIVERS The downgrade of the class A-1 notes to 'Csf' from 'CCsf' reflects Fitch's view that default is considered inevitable as trust cashflow has deteriorated due to the aircraft pool's liquidity and age. The transaction has also been negativ