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ASN Wikibase Occurrence # 188449
Last updated: 2 September 2020
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Type:Silhouette image of generic C150 model; specific model in this crash may look slightly different
Cessna 150L
Registration: N1567Q
C/n / msn: 15072867
Fatalities:Fatalities: 0 / Occupants: 1
Other fatalities:0
Aircraft damage: Substantial
Location:Near Atlanta Regional Airport-Falcon Field (KFFC), Atlanta, GA -   United States of America
Phase: Initial climb
Departure airport:Peachtree City, GA (FFC)
Destination airport:Peachtree City, GA (FFC)
Investigating agency: NTSB
The student pilot took off for the solo flight. At 400 ft above ground level, the engine sputtered and experienced a total loss of power. The student pilot conducted a forced landing to a golf course. During the rollout, the airplane clipped trees and struck a small berm, which resulted in the collapse of the nose landing gear and substantial damage to the engine firewall.

Examination of the airplane revealed severe impact damage on the dome of the engine's No. 3 piston and the cylinder head. The exhaust valve was separated at the stem, and the intake valve was fractured. Fracture analysis of both valves and their associated fragments revealed a fatigue failure of the exhaust valve stem transition area at the valve head. The other fracture surfaces were consistent with overstress. The fatigue failure of the No. 3 cylinder exhaust valve led to the total loss of engine power.

Probable Cause: The fatigue failure of the No. 3 cylinder exhaust valve, which resulted in a total loss of engine power at low altitude after takeoff.


FAA register:

Accident investigation:
Investigating agency: NTSB
Status: Investigation completed
Duration: 1 year and 8 months
Download report: Final report


Photo: NTSB

Revision history:

30-Jun-2016 20:44 Geno Added
01-Jul-2016 09:32 Chieftain Updated [Phase, Damage, Narrative]
09-Jul-2016 06:37 Anon. Updated [Narrative]
08-Mar-2018 11:24 ASN Update Bot Updated [Departure airport, Destination airport, Source, Narrative]
08-Mar-2018 11:30 harro Updated [Source, Narrative, Photo, ]

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