NTSB Identification: SEA85LA192.
The docket is stored on NTSB microfiche number 29082.
Accident occurred Thursday, August 08, 1985 in SEATTLE, WA
Aircraft: PIPER PA-20, registration: N7765K
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.

A GROUND LOOP OCCURRED AND THE STEERING SPRING FAILED. THE AIRCRAFT'S STEERING SPRING HAD FAILED PRIOR TO THE ACCIDENT AWAY FROM A REPAIR STATION. THE PILOT MADE A TEMPORARY REPAIR THAT FAILED DURING THIS GROUND LOOP. THE PILOT STATED THAT A COMBINATION OF A GUST OF WIND AND THE BROKEN STEERING SPRING CAUSED HIS ACCIDENT.

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

LANDING GEAR,TAILWHEEL ASSEMBLY..PREVIOUS DAMAGE

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

OPERATION WITH KNOWN DEFICIENCIES IN EQUIPMENT..SELECTED..PILOT IN COMMAND

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

MAINTENANCE,ADJUSTMENT..INADEQUATE..PILOT IN COMMAND

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

JUDGMENT..INACCURATE..PILOT IN COMMAND


Contributing Factors

IMPROPER USE OF EQUIPMENT/AIRCRAFT..PILOT IN COMMAND


Contributing Factors

WEATHER CONDITION..GUSTS

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