NTSB Identification: ATL99LA030.
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Accident occurred Sunday, December 06, 1998 in OKEECHOBEE, FL
Probable Cause Approval Date: 02/16/2001
Aircraft: Michael L. Thibault RV-4, registration: N62632
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 final approach to runway 13, the pilot experienced a complete loss of engine power. The pilot elected to attempt an emergency landing on a public street. During the emergency landing, the right wing collided with a mailbox and a parked van. The post-accident examination of the accident site disclosed that the airplane rested in a ditch adjacent to the public street. The examination of the airplane revealed that fuel was present in the fuel system. Examination of the ignition system disclosed that the spark plugs displayed a clean ignition pattern. No obvious mechanical problems with the airplane were observed during the field examination. Weather conditions were favorable for the formation of carburetor ice, and the pilot did not report applying carburetor heat during any phase of the flight.

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

The pilot's failure to use carburetor heat that resulted in the total loss of engine power. Factors were conditions favorable for the formation of carburetor ice.

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