Accident description
Last updated: 24 April 2014
Status:Final
Date:Wednesday 29 July 2009
Time:11:12 UTC
Type:Silhouette image of generic DHC6 model; specific model in this crash may look slightly different
de Havilland Canada DHC-6 Twin Otter 300
Operator:Air Greenland
Registration: OY-POF
C/n / msn: 235
First flight: 1969
Engines: 2 Pratt & Whitney Canada PT6A-27
Crew:Fatalities: 0 / Occupants: 2
Passengers:Fatalities: 0 / Occupants: 0
Total:Fatalities: 0 / Occupants: 2
Airplane damage: Substantial
Airplane fate: Repaired
Location:340 km (212.5 mls) N of Constable Point (   Greenland) show on map
Phase: Landing (LDG)
Nature:Cargo
Departure airport:Mestersvig Air Base (BGMV), Greenland
Destination airport:?
Narrative:
A DHC-6 Twin Otter, OY-POF, sustained substantial damage in a hard landing at a remote airstrip in Greenland. Both crew members survived.
The airplane operated on a cargo flight out of Mestersvig Air Base to an airstrip at 73 24N 24 30W.
On arrival at the selected landing area the pilots decided to perform a low flyover to assess wind conditions. On finals the aircraft suffered an unexpected downward wind flow (downdraft), causing the right main wheel to contact the ground before the airstrip. The aircraft bounced and in the subsequent touchdown, the right wing impacted the ground.


Conclusion: AIB considers it likely that local topography combined with the current wind conditions were influence the course of events.

Sources:

Official accident investigation report
investigating agency: Havarikommissionen for Civil Luftfart og Jernbane LangebjergvŠnget (HCLJ) - Denmark
report status: PRELIM.
report number: HCLJ510-000668
report released:14-DEC-2009
duration of investigation:138 days (4.6 months)
download report: Accident report (HCLJ510-000668)

Photos

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This information is not presented as the Flight Safety Foundation or the Aviation Safety Networkĺs opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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