NTSB Identification: MIA97IA016.
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Incident occurred Thursday, October 31, 1996 in MCCOMB, MS
Probable Cause Approval Date: 02/28/1997
Aircraft: Piper PA-31-350, registration: N120JD
Injuries: 4 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.
The pilot requested that the aircraft be fueled with 40 gallons of 100LL avgas. The lineman fueled the aircraft with 40 gallons of Jet-A fuel. This made the total fuel on board about 80 gallons (about a 50 percent to 50 percent mixture of avgas and Jet-A). The pilot signed the fuel receipt, which indicated Jet-A fuel, and then departed. The lineman did not observe the pilot perform a preflight inspection. Both engines lost power after takeoff, and a forced landing was made in a field. The aircraft was equipped with restricted fuel ports to prevent this type of misfueling; however, the fuel pump (from which N120JD was fueled) was not equipped with the respective large size nozzle that was designed to prevent the problem.
The National Transportation Safety Board determines the probable cause(s) of this incident to be: the lineman's fueling of the aircraft with the wrong type fuel, the pilot's failure to verify the type of fuel added to the aircraft before flight, and failure of the refueling facility to be equipped with the proper fuel nozzle. Full narrative available
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