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The aircraft was conducting a vertical take-off near a McDonalds Restaurant as part of a fund raising activity. At about 300 feet the right rear cabin door detached from the aircraft whilst being closed by a crew member. Investigation revealed that the door lower track was cracked and deformed and the upper track had slight deformation sufficient to allow the door to separate from the aircraft. The first section of the crack in the lower track was discoloured indicating it had been present for some time. Maintenance procedures have been amended to include a detailed inspection of the door and attaching hardware into the five weekly routine servicing schedule.
Download Final Report
[ Download PDF: 11KB]
General details
Date: 15 May 1993 Investigation status: Completed 
Time: 15:45 EST  
 Investigation type: Occurrence Investigation 
Release date: 30 August 1993 Occurrence class: Technical 
Report status: Final Occurrence category: Incident 
Aircraft details
Aircraft manufacturer: Bell Helicopter Co 
Aircraft model: UH-1B 
Aircraft registration: VH-NVV 
Sector: Helicopter 
Damage to aircraft: Minor 
Departure point:8km NE NAS Nowra NSW
Destination:NAS Nowra NSW
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Last update 23 July 2015