NTSB Identification: SEA97LA146.
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Accident occurred Friday, June 20, 1997 in SWEET HOME, OR
Probable Cause Approval Date: 01/28/2000
Aircraft: Cessna 150H, registration: N6599S
Injuries: 1 Minor,1 Uninjured.

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

The pilot reported that he fueled the airplane with 5.5 gallons of auto fuel and dipped the airplane's fuel tanks before takeoff (stating in his accident report that 'I must have misread the fuel dipstick.') The pilot was unable to provide a record of the most recent fueling. He reported the aircraft usable fuel quantity at takeoff as 13 gallons (usable fuel capacity is 22.5 gallons for standard tanks, with which the accident airplane was manufactured.) He stated that as the airplane was descending for landing, 4 to 5 miles from the airport, the engine stopped. The pilot was unable to glide to the airport, and turned toward an alternate field. The plane landed, hit a blackberry patch and an embankment, and spun onto a two-lane road where it came to rest. The accident occurred 1 hour and 12 minutes after takeoff (fuel burn at 65% power is about 5 gallons per hour.) An FAA inspector found only 1 1/2 gallons of fuel on board the aircraft at the accident scene (unusable fuel is 3 to 3 1/2 gallons.) No evidence of an inflight fuel leak or engine malfunction was found.

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

The pilot's inadequate preflight preparation and his inadequate inflight planning which resulted in fuel exhaustion. A factor was lack of suitable terrain for a forced landing.

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