Accident Helio H-250 Courier N6324V, 26 Sep 2016
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ASN Wikibase Occurrence # 200588
 
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Date:26-SEP-2016
Time:14:20
Type:Silhouette image of generic COUR model; specific model in this crash may look slightly different    
Helio H-250 Courier
Owner/operator:Private
Registration: N6324V
MSN: 2538
Fatalities:Fatalities: 0 / Occupants: 1
Aircraft damage: Substantial
Category:Accident
Location:Anchorage, AK -   United States of America
Phase: Landing
Nature:Private
Departure airport:Igiugig, AK (None)
Destination airport:Anchorage, AK (LHD)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
The commercial pilot reported that, after an uneventful touchdown on the dry, gravel-surface runway, he felt a medium vibration as he applied the brakes. As the airplane continued the landing roll, both main landing gear (MLG) legs sheared off. The propeller impacted the runway, and the airplane came to rest on the bottom of the fuselage, which sustained substantial damage.
A postaccident examination of the airplane revealed that both MLG legs failed due to fatigue cracking. The fatigue cracks were extended by intermittent overstress until the legs separated. The overstress extensions likely occurred during the accident landing or immediately before it because there was no corrosion of the crack surfaces.

Probable Cause: The fatigue fracture failure of both main landing gear (MLG) legs during the landing roll, which resulted in the collapse and separation of both MLG legs.
 

Sources:

NTSB

Accident investigation:
cover
  
Investigating agency: NTSB
Status: Investigation completed
Duration:
Download report: Final report
Other occurrences involving this aircraft

19 May 2006 N6324V Private 0 Anchorage, Alaska sub

Location


Revision history:

Date/timeContributorUpdates
26-Oct-2017 19:50 ASN Update Bot Added

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