ASN Wikibase Occurrence # 260532
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| Date: | Sunday 23 October 2016 |
| Time: | |
| Type: |  Robinson R22 Beta II |
| Owner/operator: | Hong Kong Aviation Club (HKAC) |
| Registration: | B-HJU |
| MSN: | |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Shek Kong Airfield -
 Hong Kong
|
| Phase: | Taxi |
| Nature: | Training |
| Departure airport: | Shek Kong Airfield |
| Shek Kong Airfield | |
| Investigating agency: | CAD Hong Kong |
| Confidence Rating: |  Accident investigation report completed and information captured |
On 23 October 2016, a Robinson R22 Beta II helicopter owned and operated by the Hong Kong Aviation Club Limited (“HKAC”), with registration B-HJU, was on an instructional flight within Shek Kong Airfield (“SK”). A flying instructor (“Instructor”), who was the pilot-in-command of the flight, and a student pilot (“Student”) were on board. Having completed the training exercise, the Instructor took over the control and “hover taxied” (i.e. helicopter manoeuvre close to ground for taxiing purpose) the helicopter over a grass strip that runs parallel to the runway, with an intention to take the helicopter back to the HKAC apron located at the western end of the runway. Before reaching the HKAC apron, the Instructor landed the helicopter halfway down the grass strip for traffic consideration. When the traffic was clear, the Instructor attempted to lift off again to continue the hover taxi but the fronts of both skids were entangled with the grass. The helicopter subsequently rolled over forward and rested on its left side. The engine stopped on impact. The helicopter sustained substantial damage. The Instructor suffered some minor injuries. The Student was not injured. Both occupants exited through the right door without assistance.
The investigation concluded that the probable cause of the accident was a dynamic rollover caused by an uncontrollable angular momentum that was created by the Instructor’s attempt to lift off with the fronts of both the helicopter’s skids entangled with long grass.
Accident investigation:
 |
|
Sources:
CAD HK
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 15-May-2021 06:09 | harro | Added |
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