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ASN Wikibase Occurrence # 46448
Last updated: 12 February 2021
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Time:19:25 LT
Type:Silhouette image of generic H269 model; specific model in this crash may look slightly different
Hughes 269C
Registration: ZK-HHS
C/n / msn: 1230259
Fatalities:Fatalities: 1 / Occupants: 2
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Location:near Ngongotaha, Rotorua -   New Zealand
Phase: En route
Departure airport:
Destination airport:
The helicopter was patrolling an 11kV power line, which had been suffering from some unexplained power interruptions. During the patrol, the main rotor blades struck one conductor of a three-conductor, 110kV transmission line, which crossed about six metres above the 11kV line being inspected. Location 5km north of Ngongotaha.

The primary cause of this accident was the failure by the pilot to detect another power line, which crossed above the line being inspected.

Contributory factors were that: The pilot and the observer were not adequately trained; A number of briefings were omitted or inadequate; The lack of a formal system for the selection, direction and control of the aerial work undertaken by the contracting organisation; Environmental factors: The suitability of the available helicopter.


Revision history:

04-Nov-2008 10:35 ASN archive Added
16-Aug-2014 13:58 Aerossurance Updated [Time, Cn, Location, Phase, Nature, Source, Narrative]
07-Aug-2020 04:38 Ron Averes Updated [Location, Nature, Narrative]

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