ASN Wikibase Occurrence # 219992
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| Date: | Friday 15 September 1989 |
| Time: | 18:15 |
| Type: |  Bell 47G-3B1 |
| Owner/operator: | |
| Registration: | VH-HMU |
| MSN: | 3392 |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Location: | Katherine Gorge, NT -
 Australia
|
| Phase: | Initial climb |
| Nature: | Training |
| Departure airport: | Katherine Gorge, NT |
| Katherine Gorge, NT | |
| Investigating agency: | BASI |
| Confidence Rating: |  Accident investigation report completed and information captured |
The helicopter took off and entered a hover in ground effect before a climbing turn to the left was initiated from approximately 10 feet AGL. Immediately the turn was commenced the helicopter started to lose main rotor RPM. The terrain drops away from the heli-pad and the helicopter was now 35 to 40 feet AGL. The pilot attempted to regain rotor rpm by lowering the collective and increasing throttle, however, RPM was not regained and the helicopter continued in the descent until ground impact. The pilot was interviewed by an Examiner of Airmen who was of the opinion that the symptoms described by the pilot indicated that the main rotor was overpitched during the climbing turn.
Accident investigation:
 |
|
Sources:
https://www.atsb.gov.au/publications/investigation_reports/1989/aair/aair198900826/
https://www.atsb.gov.au/media/29500/aair198900826.pdf
History of this aircraft
Other occurrences involving this aircraft
| 18 April 1978 | ZK-HDS | Helicopters (NZ) Ltd | 0 | Whanganui Inlet, Nelson |  |
sub |
| Collision with pole or wires | ||||||
| 20 October 1980 | ZK-HDS | Helicopter Specialties Ltd | 0 | Ardmore Aerodrome, Auckland | |
sub |
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Dec-2018 05:14 | Pineapple | Added |
Corrections or additions? ... Edit this accident description
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