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ASN Wikibase Occurrence # 21770
Last updated: 3 August 2020
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Time:17:06 LT
Type:Silhouette image of generic S92 model; specific model in this crash may look slightly different
Sikorsky S-92A
Owner/operator:Tong-il Aviation
Registration: HL9292
C/n / msn: 920020
Fatalities:Fatalities: 0 / Occupants: 16
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Location:Gapyeong, 37 mi NE of Seoul -   South Korea
Phase: Approach
Departure airport:Jamsil Heliport
Destination airport:Cheongshim Hospital
Operated by Tong-il Aviation for the Korea Family Federation Missionary for World Peace and Unification as a private aircraft. Times Aerospace Korea Limited Liability Corp. had initially registered this as a private aircraft on 1 June 2006. Title transferred to the Mission 24 July 2006.

While approaching to land, operating under VFR, the aircraft passed the heliport in clouds. Then the pilot performed a go-around but lost control and crashed into trees halfway up the Janglak Mountain.

HL9292 was totally destroyed by a fire that broke out immediately after the crash, and of the 16 persons on board, six including the captain were seriously injured and 10 had minor injuries.

The Aviation and Railway Accident Investigation Board determined that the probable cause of this accident was that despite that the flight crew could not visually identify the helipad because it was covered with clouds in bad weather conditions, they attempted to land unreasonably at a high speed in the autopilot mode and failed to maintain a proper flight attitude during the go-around, so they impacted on the ground.

Contributing to the accident were ①the flight mission was decided to be made in variable bad weather conditions, ②the co-pilot failed to give proper advice to the captain on the flight mission, en-route flight, final approach and the captain's improper decision and action in the go-around section after passing the helipad, and when the captain lost the flight attitude in a vertigo, he failed to take a proper defensive action, ③despite that the weather was not suitable for visual flight due to an indirect influence of typhoon, the Tong-il Aviation failed to provide the captain with positive operational support such as analyzing weather trends or recommending cancellation of the flight mission, and ④the EGPWS was unservicable (iaw MMEL flight is not allowed in case of its malfunction but the aircraft was operated without an MEL).


Revision history:

19-Jul-2008 10:39 Fusko Added
20-Jul-2008 11:45 harro Updated
20-Jul-2008 22:25 78Delta Updated
03-Mar-2010 23:25 TB Updated [Aircraft type, Operator, Location, Nature, Source, Narrative]
03-Aug-2012 14:00 harro Updated [Time, Aircraft type, Operator, Source]
25-Feb-2013 02:27 TB Updated [Time, Aircraft type, Operator, Location, Phase, Destination airport, Source, Narrative]
25-Feb-2013 02:32 TB Updated [Operator, Source, Narrative]
26-Aug-2014 11:49 Aerossurance Updated [Operator, Phase, Nature, Departure airport, Destination airport, Source, Narrative]
26-Aug-2014 11:53 Aerossurance Updated [Operator, Narrative]

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