NTSB Identification: ATL82IA041
Scheduled 14 CFR Part 121: Air Carrier operation of FEDERAL EXPRESS CORPORATION
Incident occurred Friday, January 22, 1982 in LOUISVILLE, KY
Probable Cause Approval Date: 01/22/1983
Aircraft: DASSAULT/SUD FALCON 20, registration: N18FE
Injuries: 2 Uninjured.

NTSB investigators used data provided by various sources and may not have traveled in support of this investigation to prepare this aircraft incident report.

DURING A CRUISE DESCENT FROM FL 330 IN CLEAR AIR (RAT-22 DEG C) A DOUBLE ENGINE FLAMEOUT OCCURRED. PWR HAD BEEN ADJUSTED TO 86 PCT WITH ENGINE ANTI-ICE ON PRIOR TO THE DESCENT. WHEN THE THROTTLES WERE ADVANCED AT FL 220, THERE WAS NO ENGINE RESPONSE. SUCCESSFUL RELIGHTS WERE ACCOMPLISHED WITH BOTH ENGINES ON SUBSEQUENT TEST FLIGHTS, N18FE EXPERIENCED REPEATED ENGINE ROLLBACKS AT AND ABOVE FL 290 WHEN THROTTLES WERE RETARDED TO THE FLIGHT IDLE STOP. ENGINE ROLLBACKS DID NOT OCCUR WHEN FLIGHT MANUAL IDLE RESTRICTIONS INTENDED FOR SPEEDS BELOW 200 KTS WERE OBSERVED AT SPEEDS ABOVE 200 KTS.

The National Transportation Safety Board determines the probable cause(s) of this incident to be:

FLIGHT MANUALS..INADEQUATE..COMPANY/OPERATOR MANAGEMENT

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