ASN Wikibase Occurrence # 46262
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| Date: | Wednesday 13 March 2002 |
| Time: | 12:45 |
| Type: | Westland Scout AH.1 |
| Owner/operator: | Ford Family Trust |
| Registration: | ZK-HUC |
| MSN: | F9737 |
| Year of manufacture: | 1969 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Location: | near Gisborne, East Coast -
 New Zealand
|
| Phase: | En route |
| Nature: | External load operation |
| Departure airport: | |
| Confidence Rating: |  Information verified through data from accident investigation authorities |
The helicopter was engaged in a private helicopter logging operation 50 NM west of Gisborne. While lifting a log on a 150-foot line, the helicopter descended into the trees, narrowly missing a ground crewman, who fortunately was on hand to release the pilot who was trapped in the wreckage. The helicopter's cabin area was consumed by fire shortly afterwards.
The Scout is powered by a Rolls-Royce Nimbus engine in which it is common to experience some compressor stalling and surging, which is often associated with rapid collective and throttle movement or fuel scheduling difficulties.
The pilot described the loss of power as the engine spooling up and down about three times rather than the stalling and surging which he had experienced previously. While he considered the option of releasing the log and attempting to fly away, he decided, due to the engine power problem, to opt for settling the helicopter into the tree canopy.
While some operational and maintenance deficiencies have been identified, a definitive cause of the accident could not be determined.
Sources:
http://www.caa.govt.nz/Script/Accident_Details.asp?Oc=02/704
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 04-Nov-2008 10:35 | ASN archive | Added |
| 17-Oct-2011 20:21 | Dr. John Smith | Updated [Aircraft type, Cn, Operator, Location, Phase, Source, Narrative] |
| 13-Oct-2018 15:16 | TB | Updated [Operator, Location, Narrative] |
| 11-Feb-2022 11:31 | Ron Averes | Updated [Location] |
Corrections or additions? ... Edit this accident description
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