Incident Piper PA-23-250 Aztec VH-BZT,
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ASN Wikibase Occurrence # 208961
 
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Date:Wednesday 12 July 1995
Time:16:52
Type:Silhouette image of generic PA27 model; specific model in this crash may look slightly different    
Piper PA-23-250 Aztec
Owner/operator:
Registration: VH-BZT
MSN: 27-3948
Year of manufacture:1968
Fatalities:Fatalities: 0 / Occupants:
Aircraft damage: Substantial
Location:Horn Island Airport, Horn Island, QLD -   Australia
Phase: Landing
Nature:Passenger - Non-Scheduled/charter/Air Taxi
Departure airport:Horn Island Airport (YHID)
Destination airport:YKUB
Investigating agency: BASI
Confidence Rating: Accident investigation report completed and information captured
Narrative:
After the pilot selected the landing gear down, the indications showed that the left landing gear had not extended. After several attempts at freeing the gear by recycling, the pilot decided to return to Horn Island where a ground inspection by maintenance staff was available together with emergency services. After a fly-past, it was decided that the gear appeared to be down. The hydraulic system had pressurised, which indicated to the pilot that the gear was most likely locked down, and the pilot decided to land.On late final approach he feathered both propellers and made all switches safe. During the landing roll, the left gear collapsed rearwards to the trailing edge of the wing but the wheel continued to rotate. A post-flight inspection revealed that the centre drag bolt had sheared, allowing the left gear to fold rearwards. Evidence from the major defect report indicated that the bolt had failed as a result of being overstressed on a previous occasion, possibly an unreported heavy landing.

Accident investigation:
cover
  
Investigating agency: BASI
Report number: 
Status: Investigation completed
Duration:
Download report: Final report

Sources:

https://www.atsb.gov.au/publications/investigation_reports/1995/aair/199502174/
https://www.atsb.gov.au/media/4933035/199502174.pdf

Revision history:

Date/timeContributorUpdates
08-Apr-2018 07:13 Pineapple Added
17-Jun-2023 00:06 Ron Averes Updated

Corrections or additions? ... Edit this accident description

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