Accident Cessna 185 N9850X,
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ASN Wikibase Occurrence # 368945
 
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Date:Tuesday 11 April 1989
Time:18:30 LT
Type:Silhouette image of generic C185 model; specific model in this crash may look slightly different    
Cessna 185
Owner/operator:Private
Registration: N9850X
MSN: 1850050
Total airframe hrs:3881 hours
Engine model:CONTINENTAL IO-520
Fatalities:Fatalities: 0 / Occupants: 2
Aircraft damage: Substantial
Category:Accident
Location:Trinity Lake, AK -   United States of America
Phase: Landing
Nature:Private
Departure airport:Anchorage, AK (LHD)
Destination airport:
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
THE PILOT WAS ATTEMPTING A LATE AFTERNOON LANDING AT AN OFF AIRPORT LANDING SITE ON A SNOW COVERED LAKE. SHORTLY AFTER TOUCH DOWN, THE RIGHT MAIN LANDING GEAR SKI BECAME DETACHED FROM THE GEAR LEG. THE GEAR LEG WENT THROUGH THE SNOW AND INTO THE ICE BELOW, COLLAPSING THE RIGHT MAIN GEAR IN THE PROCESS. THE PILOT REPORTED THAT THE SNOW CONDITIONS WERE EXTREMELY WET, AND THAT DURING THE LANDING ROLL THE RIGHT MAIN SKI BECAME MIRED IN THE HEAVY SNOW, ULTIMATELY CAUSING THE SKI ATTACHMENT BOLTS TO FAIL AND ALLOWING THE GEAR LEG TO STRIKE THE ICE.

Probable Cause: THE PILOT'S SELECTION OF UNSUITABLE TERRAIN ON WHICH TO LAND.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: ANC89LA058
Status: Investigation completed
Duration: 1 year and 5 months
Download report: Final report

Sources:

NTSB ANC89LA058

Revision history:

Date/timeContributorUpdates
24-Mar-2024 09:09 ASN Update Bot Added

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