North American NAVION A accident near Alameda, CA
On April 3, 2011, a North American NAVION A (airplane) was involved in an accident near Alameda, CA. 1 person died. Damage to the aircraft: substantial.
- Date
- April 3, 2011
- Place
- Alameda, CA
- Aircraft
- North American NAVION A · Airplane
- Injuries
- 1 fatal, 0 serious, 0 minor
- Damage
- Substantial
- Position
- 37.747°N, 122.225°W
- NTSB ID
- 20110403X11301
Official records · WPR11FA184
- Public docket: reports, statements and exhibits from the investigation
NTSB summary
HISTORY OF FLIGHT On April 3, 2011, about 1537 Pacific standard time, a North American Navion A, N91472, collided with the ground while maneuvering after takeoff in the vicinity of Alameda, California. The certificated private pilot, the sole occupant of the airplane, was fatally injured. The airplane was registered to the pilot, and operated as a personal flight under the provisions of 14 Code of Federal Regulations Part 91. Visual meteorological conditions prevailed and no flight plan was filed for the local flight that originated from the Metropolitan Oakland International Airport (OAK), Oakland, California, about 1536. A pilot rated witness reported that the airplane’s initial climb was normal and the engine sounded good. He reported that shortly thereafter, about 200 feet above the ground, the engine shutdown as if the throttle had been retarded or the mixture control pulled to idle cutoff position. He reported that the airplane began a descending left turn and continued to descend beyond the witness’s vantage point. Witnesses reported hearing “emergency emergency” transmitted on the Oakland tower frequency shortly after the accident airplane was cleared for takeoff from runway 33. There was no further radio communications from the pilot of the accident airplane. AIRCRAFT INFORMATION The airplane, a Navion A model, serial number NAV-4-279, was manufactured in 1946 and was powered by a Continental IO-470 engine. The airplane was equipped with a constant speed propeller and Osborne 20-gallon wing tip fuel tanks. Review of maintenance records showed that the airplane’s mo
Probable cause
The pilot’s failure to maintain airspeed while maneuvering for an emergency landing, which resulted in an aerodynamic stall. Contributing to the accident was the loss of engine power for undetermined reasons during initial climb.
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Browse: California · North American aircraft
Source: NTSB aviation accident database (US government, public domain). Findings may be preliminary or later revised by the NTSB. Not a complete global record.
