NTSB Identification: CHI85LA027.
The docket is stored on NTSB microfiche number 26549.
Accident occurred Wednesday, October 24, 1984 in TECUNSEH, MI
Aircraft: GRUMMAN G-164A, registration: N5299
Injuries: 1 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.

WHILE ON AN AERIAL APPLICATION FLIGHT, THE PLT NOTED A CHANGE IN ENGINE SOUND AND A SLIGHT POWER LOSS. DURING TURN TO RETURN TO THE AIRSTRIP FOR PRECAUTIONARY LNDG, COMPLETE POWER LOSS OCCURRED. A FORCED LANDING WAS EXECUTED IN SOFT TERRAIN. ON LNDG ROLL, THE WHEELS SANK IN THE SOFT TERRAIN AND THE ACFT FLIPPED INVERTED. INVESTIGATION REVEALED THE #5 CYLINDER EXHAUST VALVE ROCKER SHAFT AND BOTH RETAINING NUTS (SAFETY WIRE REQUIRED) WERE MISSING.

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

ENGINE ASSEMBLY,VALVE,INTAKE..INOPERATIVE

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

TERRAIN CONDITION..SOFT


Contributing Factors

TERRAIN CONDITION..NONE SUITABLE

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