NTSB Identification: CHI88DEP05.
The docket is stored on NTSB microfiche number 36821.
Accident occurred Monday, July 11, 1988 in RIO, WI
Probable Cause Approval Date: 07/10/1989
Aircraft: GRIFFIN PITTS S-1S, registration: N77LG
Injuries: 1 Uninjured.

WHEN THE PILOT OF THE AMATEUR BUILT BIPLANE INITIATED A GO-AROUND FROM A VFR APPROACH, HE FOUND THAT HE HAD NO RESPONSE TO THROTTLE APPLICATION. HE THEN EXECUTED AN INTENTIONAL FORCED LANDING IN AN ADJACENT FIELD. DURING THIS LANDING THE AIRCRAFT COLLAPSED A MAIN LANDING GEAR AND NOSED OVER. POST ACC INVEST REVEALED THAT THE THROTTLE LINKAGE WAS BROKEN.

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

THROTTLE/POWER LEVER,LINKAGE..SEPARATION




Contributing Factors

LANDING GEAR,MAIN GEAR..OVERLOAD

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