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Last updated: 12 April 2021
Date:Sunday 25 November 1984
Type:Silhouette image of generic BN2P model; specific model in this crash may look slightly different
Britten-Norman BN-2A-21 Islander
Operator:Snowy Mountains Hydro Electric Authority
Registration: VH-ISI
C/n / msn: 329
First flight: 1973
Crew:Fatalities: 0 / Occupants: 1
Passengers:Fatalities: 0 / Occupants: 12
Total:Fatalities: 0 / Occupants: 13
Aircraft damage: Damaged beyond repair
Location:1 km (0.6 mls) from Wilton Airport, NSW (   Australia)
Phase: Takeoff (TOF)
Departure airport:Wilton Airport, NSW (YWIO), Australia
Destination airport:Wilton Airport, NSW (YWIO), Australia
At a height of about 200 feet after take-off the right engine lost power. The pilot feathered the propeller and commenced a gentle left turn in order to return to the strip. He later advised that the aircraft began to sink towards some large trees and he was forced to increase the angle of bank in an effort to avoid them. Shortly afterwards the aircraft struck the ground heavily in an adjacent paddock about 1 kilometer from the strip.
The engine failure was caused by jamming of accessory drive gearing as a result of the effects of excessive wear within a magneto. It was probable that a mandatory inspection of the magneto which fell due 84 flying hours before the accident, was not conducted. On take-off the aircraft weight exceeded the authorised limit, however following the engine failure the pilot was able to maintain straight and level flight. A cleared area of ground lay ahead and just to the left of the flight path but the pilot had considered the aircraft had sufficient performance capability to permit a return to the strip.



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