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ASN Wikibase Occurrence # 31791
Last updated: 3 December 2021
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Date:13-MAY-1967
Time:20:51 UTC
Type:Silhouette image of generic S61 model; specific model in this crash may look slightly different
Sikorsky S-61N
Owner/operator:Grønlandsfly A/S
Registration: OY-HAE
MSN: 61-258
Fatalities:Fatalities: 0 / Occupants: 8
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Location:Godthåb (Nuuk) (GOH) -   Greenland
Phase: Landing
Nature:Test
Departure airport:Godthåb (GOH/BGGH)
Destination airport:Godthåp (GOH/BGGH)
Narrative:
Post maintenance test flight.
Flying control hydraulic system blockage leading to severe controllability problems and loss of control during forced landing.
The accident occurred due to a failure of the quick disconnect fitting in the primary flight control hydraulic system causing blockage of the fitting. The blockage resulted in a primary flight control system failure for which the auxiliary hydraulic system was not able to compensate.

Sources:

http://www.oy-reg.dk/register/2774.html
WAAS / ICAO Accident Digest No 19 http://mid.gov.kz/images/stories/contents/107_en.pdf


Revision history:

Date/timeContributorUpdates
27-Sep-2008 01:00 ASN archive Added
21-Feb-2009 11:45 Anon. Updated
29-Dec-2009 04:47 TB Updated [Operator, Narrative]
20-Dec-2012 11:06 TB Updated [Source, Narrative]
20-Dec-2012 12:01 TB Updated [Cn, Operator, Location, Departure airport, Destination airport, Narrative]
09-Aug-2014 17:21 Aerossurance Updated [Time, Phase, Source, Narrative]
13-Apr-2018 13:56 Aerossurance Updated [Source, Narrative]
16-Dec-2018 20:26 Cobar Updated [Total occupants]

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