SCHNEIDER K/COOK C SC SKYBOLT

Corvallis, OR — August 24, 2016

Event Information

DateAugust 24, 2016
Event TypeACC
NTSB NumberWPR16LA174
Event ID20160908X14407
LocationCorvallis, OR
CountryUSA
Coordinates44.49472, -123.29083
AirportCORVALLIS MUNI
Highest InjuryNONE

Aircraft

MakeSCHNEIDER K/COOK C
ModelSC SKYBOLT
CategoryAIR
FAR Part091
Aircraft DamageSUBS

Conditions

Light ConditionDAYL
WeatherVMC

Injuries

Fatal0
Serious0
Minor0
None2
Total Injured0

Event Location

Probable Cause

The collapse of the left main landing gear truss due to a weld joint failure, which resulted in substantial damage to the fuselage frame structure.

Full Narrative

On August 24, 2016, about 1500 Pacific daylight time, an experimental, amateur-built Skybolt airplane, N300SB, was substantially damaged when it was involved in an accident near Corvallis, Oregon. The pilot and passenger were not injured. The airplane was operated as a Title 14 Code of Federal Regulations Part 91 personal flight.
The father of the passenger, who was the owner, reported that his son had just purchased the airplane, that a prepurchase inspection was conducted, and that “everything looked good.” He said his son asked the pilot to fly with him because he had extensive experience in similar airplanes. The flight included normal maneuvers and several touch-and-go landings with no issues. However, after the last landing and as he was taxiing the airplane back to the ramp, the left main landing gear (MLG) collapsed.
Examination of the MLG truss structure, which is welded to the fuselage, revealed substantial damage to the fuselage frame structure.
Examination also revealed that a weld joint where the truss mounts to the fuselage was cracked and broken. Rust was noted around the weld area, and it appeared that a previous crack had been repaired. The father reported that the area of the failure was hidden behind the bungee and was not visible during the prepurchase inspection.

About This NTSB Record

This aviation event was investigated by the National Transportation Safety Board (NTSB). NTSB investigates all U.S. civil aviation accidents to determine probable cause and issue safety recommendations to prevent future accidents.

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