Accident Navion G Rangemaster N3BP, Sunday 14 January 2007
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Date:Sunday 14 January 2007
Type:Silhouette image of generic NAVI model; specific model in this crash may look slightly different    
Navion G Rangemaster
Registration: N3BP
MSN: NAV-4-2457
Total airframe hrs:3578 hours
Engine model:Continental IO-520-BA
Fatalities:Fatalities: 0 / Occupants: 2
Other fatalities:0
Aircraft damage: Substantial
Location:El Centro , CA -   United States of America
Phase: Unknown
Departure airport:Salinas, CA (SNS)
Destination airport:El Centro , CA (23CN)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
The pilot reported that after an uneventful flight, he initiated a normal approach to the airport. While on final approach to runway 22, he stated that he couldn't see the runway or area surrounding it due to the alignment of the sun and decided to abort the landing and go-around. Shortly after applying power and raising the landing gear, the engine "sputtered" and lost power. The pilot stated that he had limited visibility due to the sunglare during the forced landing and was trying to keep the airplane from stalling. Subsequently, the airplane impacted terrain. Examination of the airframe revealed that the left and right wing sustained substantial damage. The right fuel tank was intact and contained a significant amount of fuel. All of the remaining fuel tanks were breeched. The engine was removed from the airframe, installed on an engine run test stand, and successfully ran at various power settings with no anomalies noted. The fuel selector valve was removed from the airframe and examined. The fuel selector valve shaft was bent. Manual activation by hand produced positive engagement in all positions. The fuel selector was placed on a test bench and functionally tested in accordance with the Navion Service Bulletin 106. Within one minute after applying 24 inches of vacuum pressure, an unspecified amount in excess of 20 inches of pressure was lost. According to the type certificate holder, the maximum specified loss is one inch. Both internal and external leaking was observed during the bench test. The fuel selector valve was dissembled and visually inspected with no anomalies noted. The official sunset was recorded to be 48 minutes after the approximate time of the accident and the end of civil twilight was 75 minutes after the approximate time of the accident.
Probable Cause: The loss of engine power for undetermined reasons. Contributing factors were the lack of suitable terrain for the forced landing and the glare from the sun.

Accident investigation:
Investigating agency: NTSB
Report number: SEA07LA048
Status: Investigation completed
Download report: Final report




Revision history:

25-Aug-2017 19:59 ASN Update Bot Added

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