NTSB Identification: CHI88DET04.
The docket is stored on NTSB microfiche number 37519.
Accident occurred Saturday, August 06, 1988 in PREU, IN
Probable Cause Approval Date: 09/25/1989
Aircraft: CESSNA A188B, registration: N5550G
Injuries: 1 Uninjured.

AERIAL APPLICATOR EXPERIENCED TOTAL FAILURE OF THROTTLE CABLE DURING APPLICATION SWATH RUN. AIRCRAFT RECEIVED SUBSTANTIAL DAMAGE WHEN PILOT EXECUTED FORCED LANDING IN ADJACENT CROP FIELD. AIRCRAFT AND ENGINE HAD RECEIVED ANNUAL INSPECTION 125 HOURS PRIOR TO FAILURE. POST ACC INVEST REVEALED THAT THE THROTTLE CABLE BROKE, ALLOWING THE ENGINE TO GO TO IDLE RPM. ACCORDING TO THE PLT, THE ENG ORIGINALLY HAD A SPRING, SLEEVE, AND BRACKET ASSY TO PROVIDE POWER IN CASE OF A CABLE FAILURE. THESE ITEMS WERE SUBSEQUENTLY REMOVED FROM THE ENG BY PERSONS UNKNOWN.

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

THROTTLE/POWER LEVER,CABLE..FAILURE,TOTAL


Contributing Factors

TERRAIN CONDITION..CROP


Contributing Factors

MAINTENANCE,MODIFICATION..IMPROPER..UNKNOWN

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