ASN Wikibase Occurrence # 21427
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| Date: | Wednesday 18 June 2008 |
| Time: | 10:39 |
| Type: |  Robinson R44 II |
| Owner/operator: | Heli Charters Australia |
| Registration: | VH-RYW |
| MSN: | 11163 |
| Year of manufacture: | 2006 |
| Fatalities: | Fatalities: 0 / Occupants: 4 |
| Aircraft damage: | Substantial |
| Location: | False Cape, Qld -
 Australia
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Survey |
| Departure airport: | Cairns, QLD |
| Cairns, QLD | |
| Confidence Rating: |  Information verified through data from accident investigation authorities |
At 1026 Eastern Standard Time on 18 June 2008, a Robinson Helicopter Company R44 Clipper II helicopter, registered VH-RYW, departed Cairns Airport, Qld, to film a residential development site that was located in the vicinity of False Cape, about 10 km east of the airport. On board the helicopter were the pilot and three passengers.
The occupants of the helicopter reported that while conducting the second period of filming, there was a sudden and violent movement of the nose of the helicopter to the right, which continued into a rapid rotation of the helicopter. The pilot's reported attempt to reduce the rate of right yaw was unsuccessful, and he entered autorotation and attempted to reach a clear area. The helicopter subsequently collided with trees before impacting the ground, seriously injuring the pilot and front seat passenger.
This accident highlighted the risk of loss of tail rotor effectiveness associated with the conduct of aerial filming/photography and other similar flights involving high power, low forward airspeed and the action of adverse airflow on a helicopter.
The investigation also identified that the lack of the nomination of a search and rescue or scheduled reporting time for the flight, decreased the likelihood of a timely response in the case of an emergency.
In response to this accident, the helicopter manufacturer advised that it was considering a revision to the aerial survey and photography flights safety notice that was contained in the R44 Pilot's Operating Handbook. That revision would, if adopted, include a discussion of the risk of unanticipated right yaw associated with the conduct of those flights.
Sources:
[LINK NOT WORKING ANYMORE:http://www.atsb.gov.au/publications/investigation_reports/2008/AAIR/aair200803809.aspx]
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Jun-2008 04:18 | harro | Added |
| 12-Oct-2008 23:35 | Anon. | Updated |
| 09-Dec-2009 00:53 | harro | Updated |
Corrections or additions? ... Edit this accident description
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