AIN's Tales from the Flight Deck

DEF Contamination

07.12.2019 - By Aviation International NewsPlay

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Mistaking diesel exhaust fluid (DEF) additive for fuel system icing inhibitor PRIST on the flight line is a growing problem on ramps all over the world. This can be disastrous since DEF causes jet-A to crystalize and clog aircraft fuel filters and lines. In fact, DEF contamination of jet-A has already forced several business aircraft crews to perform engine-out landings in the U.S. and elsewhere.   Participants: Alex Beringer, Chief Operations Officer, Fair Wind Charters Ryan Smith, Captain, Falcon 900EX, Fair Wind Charters Michael Rossi, First Officer, Falcon 900EX, Fair Wind Charters

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