NTSB Identification: CHI86FA192.
The docket is stored on NTSB microfiche number 33868.
Accident occurred Friday, August 01, 1986 in OSHKOSH, WI
Probable Cause Approval Date: 01/25/1988
Aircraft: CESSNA 177RG, registration: N52476
Injuries: 4 Uninjured.
NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.
THE IFR FLT EXPERIENCED AN ENGINE FAILURE DURING THE LANDING APCH TO THE DESTINATION APRT IN OSHKOSH, WI, AND THE PLT DITCHED THE ACFT IN LAKE WINNEBAGO. EXAM OF THE ACFT SHOWED THAT THE ENG FAILED DUE TO FUEL EXHAUSTION. THE PLT REPORTED THERE WERE 60 GALLONS OF FUEL ON BOARD AT TAKEOFF. THE DITCHING OCCURRED 4 HOURS AND 32 MINUTES AFTER TAKEOFF. THE MANUFACTURER'S FUEL CONSUMPTION CALCULATION WAS 10.8 GPH FOR THE ACFT IN CRUISE FLT AT 5,000 FT MSL USING 75 PERCENT POWER WITH THE MIXTURE LEANED TO PROVIDE AN APPROPRIATE FUEL/AIR RATIO.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:FLUID,FUEL..EXHAUSTION
The National Transportation Safety Board determines the probable cause(s) of this accident to be:PREFLIGHT PLANNING/PREPARATION..IMPROPER..PILOT IN COMMAND
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