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ASN Wikibase Occurrence # 174010
Last updated: 3 April 2021
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Time:10:15 LT
Type:Silhouette image of generic B06 model; specific model in this crash may look slightly different
Bell 206L-4 LongRanger IV
Owner/operator:Helifix PNG
Registration: P2-HFZ
C/n / msn: 52106
Fatalities:Fatalities: 0 / Occupants: 1
Other fatalities:0
Aircraft damage: Substantial
Location:Bobcat-1, Wabo area, NW of Kerema, Gulf Province -   Papua New Guinea
Phase: Manoeuvring (airshow, firefighting, ag.ops.)
Nature:External load operation
Departure airport:Bobcat-1 drilling site
Destination airport:Bobcat-1 drilling site
Investigating agency: AIC PNG
On 15 February 2015, the pilot of a Bell 206 Long Ranger helicopter was conducting sling load operations involving moving fuel drums and an electric generator a distance of 150 metres. During a sling load release under the direction of a ground-based load master, the helicopterís engine failed. The investigation found that a small ball of non-ferrous material used in pressure blasting for cleaning/polishing during engine overhaul had become lodged in the orifice of the Pc diffuser union, effectively blocking the Pc air line.
The investigation was unable to determine when or how the ball had entered the Pc line. It is likely that the non-ferrous ball entered the Pc diffuser union during the last engine overhaul.
The blocked Pc fuel line starved the engine of fuel at a critical time of the flight.
The AIC issued recommendations to the Civil Aviation Safety Authority of PNG, the operator Helifix Ltd, and the engine overhaul company Gas Turbine Overhaul Pty Ltd, to address safety issues noted during the investigation.


Eyewitness report.

Accident investigation:
Investigating agency: AIC PNG
Status: Investigation completed
Download report: Final report

Revision history:

21-Feb-2015 07:45 Petropavlovsk Added
22-Feb-2015 02:46 Geno Updated [Time, Total fatalities, Other fatalities, Location, Departure airport, Destination airport, Source]
02-Sep-2015 21:12 Aerossurance Updated [Nature, Source, Narrative]
03-Sep-2016 08:49 Aerossurance Updated [Time, Aircraft type, Location]
13-Aug-2018 19:58 harro Updated [Source]

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