NTSB Identification: BFO94LA149.
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Accident occurred Wednesday, August 24, 1994 in BOWLING GREEN, OH
Probable Cause Approval Date: 05/28/1997
Aircraft: MOONEY M20G, registration: N3916N
Injuries: 1 Serious,1 Minor.
NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.
ACCORDING TO THE PILOT, THE ENGINE LOST POWER AS HE WAS CRUISING AT 6500 FEET WITH A POWER SETTING OF 2400 RPM AND 22 INCHES OF MANIFOLD PRESSURE. DURING A SUBSEQUENT FORCED LANDING ON A ROAD, THE AIRPLANE STRUCK A SIGN, DITCH, AND TREE. THE PILOT REPORTED THAT DURING THE FLIGHT, HE USED THE RIGHT FUEL TANK FOR THE FIRST HOUR AND THEN THE LEFT TANK FOR TWO HOURS, BEFORE HE SWITCHED BACK TO THE RIGHT TANK. HE STATED THAT WHEN HE SWITCHED BACK TO THE RIGHT TANK, THE FUEL GAGES INDICATED 36 AND 108 LBS, RESPECTIVELY, IN THE LEFT AND RIGHT TANKS. ABOUT 30 MINUTES LATER, THE ENGINE LOST POWER. THE ENGINE WAS RESTARTED, BUT ABOUT 3 MINUTES LATER, A POWER LOSS OCCURRED AGAIN, THEN THE PILOT WAS UNABLE TO RESTART THE ENGINE. POSTACCIDENT EXAMINATION OF THE AIRPLANE REVEALED THAT BOTH FUEL TANKS WERE EMPTY AND THAT THERE WAS NO EVIDENCE OF LEAKAGE. TACHOMETER INFORMATION SHOWED THE ENGINE HAD BEEN OPERATED 4.1 HOURS. BASED ON FULL FUEL TANKS AND THE PILOT'S REPORTED CRUISE ALTITUDE/POWER SETTING, THE AIRPLANE SHOULD HAVE BEEN ABLE TO FLY FOR A TOTAL OF ABOUT 5.4 HOURS.
The National Transportation Safety Board determines the probable cause(s) of this accident to be: fuel exhaustion for undetermined reason(s), which resulted in loss of engine power and a subsequent forced landing. A factor relating to the accident was: faulty fuel quantity gauge/system. Full narrative available
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