NTSB Identification: MIA00LA018.
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Accident occurred Friday, October 29, 1999 in NEWBERRY, SC
Probable Cause Approval Date: 03/02/2001
Aircraft: Piper PA-22-150, registration: N2648P
Injuries: 1 Serious.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

After 30 minutes in flight the pilot reported that smoke started entering from right side defrost duct. He elected to land at the nearest airport,14 nautical miles north of his location. About 3 miles from the airport fire started inside the cockpit near the right side rudder pedals. He decreased power and started descending towards a field. The last thing he remembered was crossing power lines. A detailed inspection of the muffler revealed, the muffler had two areas of burn-through damage. The aircraft fire wall had an area about 14 inches in diameter with indications of severe overheating. It was concluded that a faulty exhaust muffler caused the aircraft's firewall to overheat and smolder the aircraft's firewall insulation. The maintence records did not indicate that the exhaust muffler had ever been replaced.

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

a fire in the cockpit caused by the exhaust muffler, which resulted in a forced landing in a field, and subsequent impact with a berm.

Full narrative available

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