NTSB Identification: WPR12LA434
14 CFR Part 91: General Aviation
Accident occurred Sunday, September 23, 2012 in Lompoc, CA
Probable Cause Approval Date: 04/10/2014
Aircraft: NAVION NAVION, registration: N4418K
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.
After the airplane took off and turned downwind, the engine began to lose power. The pilot activated the boost pump, but this was followed by a total loss of engine power. The pilot then elected to return to the departure runway, but after he realized that he had insufficient altitude to reach the runway, he chose to land in an open field. Following touchdown, the airplane sustained substantial damage to the aft fuselage after sliding about 80 feet before coming to rest upright. A postaccident examination of the carburetor, boost pump, and relief valve revealed no anomalies that would have precluded normal operation. Although the airplane was operating in a regime where it may be susceptible to serious carburetor icing at cruise power, the engine was operating at higher power setting, and there was no evidence that carburetor icing played a role in the accident. The reason for the loss of engine could not be determined.
The National Transportation Safety Board determines the probable cause(s) of this accident to be: A total loss of engine power after takeoff for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.
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