Accident Aviat A-1 N56LG, Tuesday 13 August 1996
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Date:Tuesday 13 August 1996
Time:12:50 LT
Type:Silhouette image of generic HUSK model; specific model in this crash may look slightly different    
Aviat A-1
Owner/operator:Scott Erickson Aviation
Registration: N56LG
MSN: 1313
Total airframe hrs:63 hours
Engine model:Lycoming O-360-A1P
Fatalities:Fatalities: 0 / Occupants: 2
Other fatalities:0
Aircraft damage: Substantial
Location:Worland, WY -   United States of America
Phase: Landing
Departure airport:Fairburn, SD (3VO)
Destination airport:
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
The pilot reported that as the airplane touched down on the turf runway, the right main landing gear collapsed. The airplane then veered to the right and nosed over. A postaccident examination revealed that the right main landing gear had separated at the axle. A metallurgical examination of the break revealed that the fracture was due to overload that started on the bottom of the tube and progressed upwards. The specialist conducting the test stated that the fracture progression was consistent with a large upward load on the end of the axle such as would be experienced with a hard landing. However, the time of the overload was not determined.

Probable Cause: overload failure of the landing gear axle, after its design stress limits had been exceeded at some undetermined time.

Accident investigation:
Investigating agency: NTSB
Report number: SEA96LA190
Status: Investigation completed
Duration: 1 year
Download report: Final report




Revision history:

13-Mar-2024 11:41 ASN Update Bot Added

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