ASN Wikibase Occurrence # 210774
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| Date: | Friday 7 November 1997 |
| Time: | 11:24 |
| Type: |  Schweizer 269C-1 |
| Owner/operator: | |
| Registration: | VH-OCC |
| MSN: | 0034 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Location: | Upper Beaconsfield, VIC -
 Australia
|
| Phase: | Initial climb |
| Nature: | Training |
| Departure airport: | Upper Beaconsfield, VIC |
| YMMB | |
| Investigating agency: | BASI |
| Confidence Rating: |  Accident investigation report completed and information captured |
The flying instructor was conducting a trial instructional flight in conjunction with visiting his property with the student, when commenced a vertical takeoff. After clearing the treetops at about 40 feet above ground level, he lowered the nose to gain airspeed. As airspeed increased to about 10 knots, the helicopter climbed to about 45 feet above ground level. He then allowed the helicopter to accelerate without increasing power when suddenly, after about 30 metres, the engine RPM began to reduce. He immediately applied full throttle and lowered the collective slightly, but RPM continued to reduce and the helicopter descended. He immediately turned the helicopter 90 degrees left towards a downhill path through the trees and lowered the nose hoping to gain more airspeed and rotor RPM. Engine RPM had decreased to approximately 2,450 and continued to reduce. The instructor then tried to reach the junction of his driveway and a road but the engine stopped completely and the helicopter impacted a tree. The main rotor blades severed the tree trunk several times and struck a smaller tree before the helicopter impacted the ground on its left side.
Accident investigation:
 |
|
Sources:
https://www.atsb.gov.au/publications/investigation_reports/1997/aair/199703682/
https://www.atsb.gov.au/media/4931264/199703682.pdf
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 12-May-2018 07:40 | Pineapple | Added |
Corrections or additions? ... Edit this accident description
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