ASN Wikibase Occurrence # 209211
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| Date: | Friday 24 November 1995 |
| Time: | 13:21 |
| Type: | Jabiru |
| Owner/operator: | |
| Registration: | VH-MBF |
| MSN: | |
| Fatalities: | Fatalities: 0 / Occupants: |
| Aircraft damage: | Substantial |
| Location: | Bankstown Airport (YSBK), Bankstown, NSW -
 Australia
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | YGLB |
| YSBK | |
| Investigating agency: | BASI |
| Confidence Rating: |  Accident investigation report completed and information captured |
Prior to departing Bankstown the pilot detected bubbles of water in a sample of fuel that had been drained from the fuel tank sump. A further three samples were taken and, as the pilot considered these showed no signs of water he elected to commence the flight. The pilot reported that as he reduced power during the approach to Goulburn the engine began to run roughly, prompting him to land the aircraft as soon as possible. A fuel sample taken, by the pilot, from the fuel tank sump showed evidence of further water contamination. He subsequently drained several litres from the sump and considered there was no more water present in the fuel. The aircraft was then refuelled. However, a sample of fuel from the fuel tank again indicated the presence of a small amount of water. A further six samples, as well as a sample taken direct from the fuel bowser, failed to reveal any additional evidence of water contamination. After carrying out a ground-run and flight test, the pilot considered the engine was operating satisfactorily and continued his flight to Bankstown. Whilst on final approach to runway 29R the engine suffered a complete loss of power when the pilot reduced power below 2,000 RPM. The aircraft landed heavily, pitched forward and overturned, coming to rest 270 m before the runway threshold. The pilot was able to evacuate without injury. A subsequent inspection of the fuel system indicated there was water in the carburettor float bowl, fuel tank, and the inter-connecting lines. The fuel tank of the Jabiru has a flat bottom with the sump located to the right and forward of centre. It is considered possible that any water in the tank may have pooled in one area away from the tank sump, particularly if the aircraft had been parked on a surface which was not level. During flight, as a result of flight attitude changes previously undetected water may have shifted within the tank and flowed into the sump and associated fuel line outlet, thence to the carburettor.
Accident investigation:
 |
|
Sources:
https://www.atsb.gov.au/publications/investigation_reports/1995/aair/199503968/
https://www.atsb.gov.au/media/4933422/199503968.pdf
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 13-Apr-2018 14:47 | Pineapple | Added |
Corrections or additions? ... Edit this accident description
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