ASN Wikibase Occurrence # 509
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| Date: | Tuesday 14 February 1995 |
| Time: | 09:40 |
| Type: |  Hughes 269C |
| Owner/operator: | Private |
| Registration: | VH-PKK |
| MSN: | 900951 |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | 6km S Moorabbin Airport, VIC -
 Australia
|
| Phase: | En route |
| Nature: | Ferry/positioning |
| Departure airport: | Geelong Airport, VIC |
| Moorabbin, VIC | |
| Investigating agency: | ATSB |
| Confidence Rating: |  Information is only available from news, social media or unofficial sources |
The pilot was conducting a private ferry flight from Port Campbell, via Geelong, to Moorabbin airport for maintenance to rectify a tail rotor vibration. Six kilometres south of Moorabbin, while the helicopter was cruising at an estimated indicated airspeed of 70 kts at 700 ft, both lugs of a clevis failed on the left centre frame aft cluster fitting. The failure freed the lower end of the left tail boom support strut. This allowed the tail boom to lift into the main rotor, which cut off the tail boom. The helicopter broke up in flight falling into shallow water 50 m from a beach.
The accident resulted from in-flight fatigue failure of the clevis lugs on the left aft cluster fitting. Although the duration of the fatigue failure propagation is not known, the fracture probably initiated in the later stages of the helicopter's operational life and propagated within a relatively short period of time.
Sources:
ATSB Occurrence Nr. 199500373
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 21-Jan-2008 10:00 | ASN archive | Added |
| 31-Mar-2015 16:18 | Dr. John Smith | Updated [Time, Cn, Operator, Total fatalities, Total occupants, Other fatalities, Phase, Nature, Departure airport, Destination airport, Damage, Narrative] |
| 06-Sep-2023 09:42 | harro | Updated [[Time, Cn, Operator, Total fatalities, Total occupants, Other fatalities, Phase, Nature, Departure airport, Destination airport, Damage, Narrative]] |
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