Serious incident Piper PA-31-350 N66906,
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ASN Wikibase Occurrence # 353910
 
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Date:Monday 17 August 1998
Time:22:05 LT
Type:Silhouette image of generic PA31 model; specific model in this crash may look slightly different    
Piper PA-31-350
Owner/operator:Alliance Aviation, Inc.
Registration: N66906
MSN: 31-7405197
Year of manufacture:1974
Total airframe hrs:13201 hours
Engine model:Lycoming TIO-540-J2BD
Fatalities:Fatalities: 0 / Occupants: 2
Aircraft damage: Minor
Category:Serious incident
Location:Denver, CO -   United States of America
Phase: En route
Nature:Unknown
Departure airport:Trinidad, CO (KTAD)
Destination airport:Colorado Sprngs, CO
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
After departure, the crew noticed a malfunction with the landing gear transition light. They attempted to recycle the landing gear, but the transition light remained illuminated. They circled the area for approximately one hour and thirty-five minutes, but all attempts to lower the gear were unsuccessful. The crew made the decision to divert to Denver International Airport where expanded emergency ground services would be available. The crew declared an emergency, and a gear-up landing was performed. Post accident examination of the aircraft by an FAA inspector revealed that the landing gear sustained a hydraulic failure which was due to a ruptured hydraulic hose located in the right wheel well. The hydraulic braided steel hose had several braids broken and the rubber hose had been punctured and/or ruptured under pressure.

Probable Cause: A hydraulic failure due to a ruptured hydraulic line, preventing the extension of the nose and right main landing gear.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: FTW98IA361
Status: Investigation completed
Duration: 9 months
Download report: Final report

Sources:

NTSB FTW98IA361

History of this aircraft

Other occurrences involving this aircraft
21 January 2015 N66906 Key Lime Air 0 10 miles West of Goodland, Kansas sub
Collision with pole or wires

Location

Revision history:

Date/timeContributorUpdates
10-Mar-2024 16:51 ASN Update Bot Added

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