NTSB Identification: ANC87LA059.
The docket is stored on NTSB microfiche number 32642.
Accident occurred Saturday, April 18, 1987 in TALKEETNA, AK
Probable Cause Approval Date: 03/21/1988
Aircraft: CESSNA 170, registration: N1604D
Injuries: 2 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.

ON ACCELERATION FOR TAKEOFF THE FRONT SEAT ADJUSTING CATCH BECAME DISENGAGED SLIDING AFT TO THE REAR. THE PILOT LOST DIRECTIONAL CONTROL OF THE AIRCRAFT CAUSING THE AIRCRAFT TO NOSE OVER ON ITS BACK. EXAMINATION OF THE LEFT SEAT TRACK SHOWS THE TRACK WAS WORN OUT AND DISTORTED TO THE POINT WHERE THE ADJUSTMENT PIN WOULD NOT LOCK IN THE FULL DOWN POSITION.

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

FUSELAGE,SEAT..DISTORTED

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

FUSELAGE,SEAT..WORN


Contributing Factors

AIRCRAFT PREFLIGHT..INADEQUATE..PILOT IN COMMAND

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