NTSB Identification: CHI94LA204.
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Accident occurred Friday, June 17, 1994 in TOMAHAWK, WI
Probable Cause Approval Date: 02/24/1995
Aircraft: BELLANCA 17-30, registration: N8218R
Injuries: 1 Serious,2 Minor,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.

THE PILOT AND THREE PASSENGERS WERE ON A LOCAL PLEASURE FLIGHT WHEN THE AIRPLANE EXPERIENCED A LOSS OF ENGINE POWER. THE PILOT REPORTED THAT THE ENGINE SPUTTERED AND LOST POWER APPROXIMATELY FIFTEEN MINUTES INTO THE FLIGHT AND FIVE MINUTES AFTER HE HAD SWITCHED FUEL TANKS. ALL ATTEMPTS TO RESTART THE ENGINE FAILED. THE AIRPLANE STRUCK TREES BEFORE IMPACTING A SWAMP. THE AIRPLANE REMAINED UNDER WATER IN THE SWAMP FOR APPROXIMATELY THREE MONTHS UNTIL THE PILOT WAS ABLE TO MAKE ARRANGEMENTS TO HAVE THE WRECKAGE REMOVED. POSTACCIDENT INVESTIGATION REVEALED NO MECHANICAL MALFUNCTIONS. THE AMOUNT OF REMAINING FUEL COULD NOT ACCURATELY BE DETERMINED AT THE TIME OF EXAMINATION DUE TO THE LENGTH OF TIME WHICH THE AIRPLANE REMAINED IN THE SWAMP.

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

THE LOSS OF ENGINE POWER DUE TO AN UNDETERMINED REASON. FACTORS IN THE ACCIDENT WERE THE LACK OF SUITABLE TERRAIN IN PREVENTING THE PILOT FROM MAKING A SAFE FORCED LANDING.

Full narrative available

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