Aviation safety investigations & reports

DHC6-320 Twin Otter, VH-AQB, Dunk Island QLD, 18 November 1988

Investigation number:
Status: Completed
Investigation completed


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The aircraft was to operate a passenger carrying flight to Townsville. Witness reports indicate that the aircraft was aligned on runway 14 in preparation for takeoff. Power was applied and the takeoff run commenced. At the beginning of the takeoff run the aircraft veered to the right and the right mainwheel ran off the sealed runway onto the grass. The aircraft then veered sharply to the left, crossed the runway and ran onto the grass beyond the gable markers. The aircraft then collided with a concrete culvert, crossed a roadway, and came to rest in trees 315 metres from the runway threshold. Comprehensive examination of the aircraft did not reveal any defect or failure that may have contributed to the development of the accident. The weather at the time of the accident was not contributory. The flight crew declined to make themselves available to the investigators for interview. The crew were issued with summonses but did not answer the summons, apparently under direction from their industrial association. This action by the crew hampered the investigation and resulted in no causal factors being determined.

Download Final Report
[Download  PDF: 22KB]
General details
Date: 18 November 1988   Investigation status: Completed  
Time: 1605    
Location: Dunk Island    
State: Queensland   Occurrence type: Loss of control  
Release date: 21 August 1989   Occurrence category: Accident  
Report status: Final   Highest injury level: Minor  

Aircraft details

Aircraft details
Aircraft manufacturer de Havilland Canada  
Aircraft model DHC-6  
Aircraft registration VH-AQB  
Serial number 280  
Type of operation Air Transport Low Capacity  
Damage to aircraft Substantial  
Departure point Dunk Island QLD  
Departure time 1605  
Destination Townsville QLD