ASN Wikibase Occurrence # 217402
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| Date: | Saturday 23 May 1987 |
| Time: | 14:40 |
| Type: |  Hiller UH-12E |
| Owner/operator: | |
| Registration: | VH-FFX |
| MSN: | 5066 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | 14km SE of Gympie, QLD -
 Australia
|
| Phase: | Landing |
| Nature: | Ferry/positioning |
| Departure airport: | YCDR |
| YBRK | |
| Investigating agency: | BASI |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot reported that the helicopter was cruising at 2000 feet when, without warning, there was a complete loss of engine power. During the subsequent forced landing, the tail boom struck the ground, causing the tail rotor gear box to separate from the aircraft. Investigation revealed that the engine accessory gear train had failed, causing both magnetos to cease operation. The gear train failed due to lack of torque followed by the fatigue failure of six screws that attach the accessory drive gear to the starter gear. The cause of the loss of torque was not established.
Accident investigation:
 |
|
Sources:
https://www.atsb.gov.au/publications/investigation_reports/1987/aair/aair198703480/
https://www.atsb.gov.au/media/34028/aair198703480.pdf
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 08-Nov-2018 09:21 | Pineapple | Added |
Corrections or additions? ... Edit this accident description
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