Gear-up landing Incident AgustaWestland AW139 JA968A,
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ASN Wikibase Occurrence # 189243
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Date:Tuesday 9 August 2016
Time:15:08 LT
Type:Silhouette image of generic A139 model; specific model in this crash may look slightly different    
AgustaWestland AW139
Owner/operator:Japan Coast Guard
Registration: JA968A
MSN: 31360
Fatalities:Fatalities: 0 / Occupants: 9
Aircraft damage: Minor
Location:Shichigahama, Miyagi prefecture -   Japan
Phase: Landing
Departure airport:Sendai Airport (SDJ/RJSS)
Destination airport:Shichigahama
Investigating agency: JTSB
Confidence Rating: Accident investigation report completed and information captured
During a rescue work at a beach, a helicopter of Japan Coast Guard made a 'belly landing' causing some damage on the underside of the fuselage.
There was a severe tropical storm, STS1605 OMAIS (1605), located a few hundred kilometers east of the accident site on the day of the accident, and strong northwest wind as 20 knots, gust into 30 knots were observed at Sendai Airport (about 20km southwest of the accident site) during the daytime.

PROBABLE CAUSES (from final report):
It is highly probable that this accident occurred as the Rotorcraft suffered damages because it had landed without extending the landing gear.
Regarding why it had landed without extending the landing gear, it is probable that various tasks were occurred in short time span and at same time other crews on board were also focusing on their own various tasks, so that they could not carry out necessary corporation or support, and because the workload of the captain continued to be high, there were not enough time for the captain to shift his mind from the rescue operation to the landing procedure, as the result, he forgot the check prior to the landing prescribed in the flight manual and did not check the landing gear condition.


Accident investigation:
Investigating agency: JTSB
Report number: 
Status: Investigation completed
Duration: 1 year and 7 months
Download report: Final report

Revision history:

12-Aug-2016 21:11 isamuel Added
14-Aug-2016 17:14 Aerossurance Updated [Time, Location, Destination airport, Damage, Narrative]
25-Aug-2016 18:15 helis Updated [Registration]
04-Apr-2018 17:56 harro Updated [Time, Total occupants, Narrative]
21-Nov-2018 16:54 Aerossurance Updated [Total occupants, Source]

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