NTSB Identification: CHI97LA233.
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Accident occurred Wednesday, July 30, 1997 in BRIGHTON, MI
Probable Cause Approval Date: 06/09/1999
Aircraft: Albrecht SEA REY, registration: N7475Q
Injuries: 1 Fatal.

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 airplane was observed to takeoff and reach approximately 150 agl when a power loss was heard. The airplane went into a left bank and then straight down. The airplane did about one and one half spins before impacting the terrain. Examination of the engine revealed both upper and lower spark plugs oil fouled. Closer examination revealed the exhaust valve stem seal had failed. Flight control continuity was established to all flight control surfaces with no anomalies noted.

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

Loss of engine power due to a failed exhaust valve oil seal, and fouled spark plugs.

Full narrative available

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