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ASN Wikibase Occurrence # 46989
Last updated: 18 April 2021
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Date:06-DEC-1997
Time:14:20
Type:Silhouette image of generic UH1 model; specific model in this crash may look slightly different
Western International TH-1F (Bell 204)
Owner/operator:
Registration: ZK-HVZ
C/n / msn: 7322
Fatalities:Fatalities: 0 / Occupants: 2
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Location:Hokitika -   New Zealand
Phase: Unknown
Nature:Cargo
Departure airport:
Destination airport:
Narrative:
The aircraft was lifting a log when the crew heard a screaming sound from the rear of the cabin. The pilot closed the throttle, and the aircraft crashed to ground and was badly damaged. The transmission fell forward through the cabin roof, destroying thecabin. The main rotors were also destroyed, but the tailrotor was unscathed. A crewman, situated on the ground, reported seeing the tail rotor slow down at the time of the accident. Subsequent investigation revealed that the tailrotor drive train failed at the second tailrotor drive coupling aft of the main rotor gearbox. It appeared that no seal was fitted to the coupling at the time of the accident. Moisture ingress enabled corrosion to attack the drive faces of the splines and wear to the point of failure.

Sources:

unknown


Revision history:

Date/timeContributorUpdates
04-Nov-2008 10:35 ASN archive Added
29-Jun-2014 18:06 TB Updated [Aircraft type, Cn, Nature, Source]

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