NTSB Identification: FTW85LA127.
The docket is stored on NTSB microfiche number 27700.
Accident occurred Sunday, February 24, 1985 in ADA, OK
Aircraft: THORPE T-18, registration: N40HB
Injuries: 1 Serious.

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 AIRCRAFT HAD BEEN STORED FOR 8 MONTHS WITH AUTOMOTIVE FUEL IN THE TANK. DURING TAKEOFF, THE ENG LOST POWER. SUBSEQUENTLY, THE PLT LOST CONTROL & THE ACFT IMPACTED THE GROUND AT A 45 DEG ANGLE. AN INVESTIGATION REVEALED THAT SOFTENED TANK SEALANT MATERIAL WAS OBSTRUCTING THE TANK STRAINER SCREEN.

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

FUEL SYSTEM,TANK..DETERIORATED

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

AIRSPEED..NOT MAINTAINED..PILOT IN COMMAND

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

STALL..INADVERTENT..PILOT IN COMMAND

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

MAINTENANCE..INADEQUATE

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

AIRCRAFT PREFLIGHT..INADEQUATE..PILOT IN COMMAND

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

FLUID,FUEL..STARVATION

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