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ASN Wikibase Occurrence # 218534
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Type:Silhouette image of generic PL12 model; specific model in this crash may look slightly different
Transavia PL-12 Skyfarmer T-300
Registration: VH-MYH
MSN: G893
Fatalities:Fatalities: 0 / Occupants: 2
Other fatalities:0
Aircraft damage: Substantial
Location:Whitemore, TAS -   Australia
Phase: Landing
Departure airport:Oatlands, TAS
Destination airport:Whitemore, TAS
Investigating agency: BASI
Confidence Rating:
Agricultural operations had finished for the day and the pilot and his loader driver had filled the two inboard fuel tanks prior to the 30 minute ferry flight back to home base. For agricultural operations a full inboard tank equates to at least one hour's endurance. Approximately one hour elapsed between the time the aircraft was refuelled and when the engine was started for the ferry flight back to home base. During that time the aircraft was parked on a significant slope and unknown to the pilot, fuel had transferred from the high wing to the low wing, even though the pilot had positioned the fuel selector to prevent this occurring. Because of an unserviceable alternator and low battery power, the engine had to be started by the use of jumper leads. Approaching the destination, the engine failed due to fuel starvation. The pilot changed tanks and activated the high prime which probably did not work because of the state of the battery. The engine failed to restart, and the aircraft touched down just short of the strip that the pilot was intending to land on. It then ran through a fence and gorse hedge causing substantial damage to the stub wings. The pilot discovered after landing that the right inboard tank, which had been selected during refuelling and for the ferry flight, was empty. However, the left inboard tank was full and there was also a significant amount of fuel in the left outboard tank which had been empty at the time of refuelling. Tests conducted showed that the fuel selector was faulty, allowing fuel to transfer from the high inboard tank to the lower inboard tank. Non-return valves were not fitted in the fuel supply lines to the selector. Fuel transfer was also possible between the left inboard and outboard tanks via the fuel vent line between the two, with the aircraft parked laterally across a significant slope. It was also established that the pilot did not physically check the fuel in each tank before start-up, nor did he check the fuel indicators in flight. At the time of the engine failure he had not commenced prelanding checks.


Accident investigation:
Investigating agency: BASI
Status: Investigation completed
Download report: Final report
Other occurrences involving this aircraft

7 Nov 1986 VH-MYH 0 17km E of Mirboo, VIC sub


Photo of VH-MYH courtesy

Mangalore (YMNG)
3 April 1983; (c) David Tanner (via Daniel Tanner)

Revision history:

25-Nov-2018 11:55 Pineapple Added
08-Feb-2022 23:42 Ron Averes Updated [Aircraft type]

Corrections or additions? ... Edit this accident description

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