NTSB CAROL · Event
Event CHI85LA027
Aircraft involved
Factual narrative
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. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1984_CHI85LA027.txt.
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