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| Date: | Tuesday 7 April 2020 |
| Time: | 15:31 LT |
| Type: |  Aérospatiale SA 365N Dauphin 2 |
| Owner/operator: | National Airborne Service Corps (NASC) |
| Registration: | NA-103 |
| MSN: | 6444 |
| Fatalities: | Fatalities: 0 / Occupants: 5 |
| Other fatalities: | 0 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Kaohsiung International Airport (KHH/RCKH) -
 Taiwan
|
| Phase: | Landing |
| Nature: | Training |
| Departure airport: | Kaohsiung International Airport (KHH/RCKH) |
| Kaohsiung International Airport (KHH/RCKH) | |
| Investigating agency: | TTSB |
| Confidence Rating: |  Information verified through data from accident investigation authorities |
The National Air Service Corps of the Ministry of the Interior (NASC),AS-365 N2 helicopter, registration NA-103, took off from Kaohsiung Airport at about 14:05. The co-pilot sits in the right seat as the pilot flying, and the captain sits in the left seat as the pilot monitoring, conducted the annual recurrent training in Liugui airspace. The aircraft arrived at the destination at approximately 14:25 hours and performed the training between the altitude of 4,000 feet and 1,000 feet. At about 15:01, they completed the training and returned to base. At about 15:16, the flight crew contacted Kaohsiung Tower and requested to perform the emergency procedures include governor failure and the tail rotor failure during approach at the runway. The tower approved and informed that Runway 09 was in use, the wind direction was 290, and the wind speed was 9 knots. There were 1 pilot, 1 co-pilot, and 3 crew members on board. After approaching the runway at about 15:30 hours, the aircraft lost control to the right at low altitude and low speed.
The main rotor touched the runway surface and crashed on the runway. No personnel were injured.
Findings related to the probable cause
1. The captain had insufficient knowledge of the characteristics of the tail rotor failure and complete operating procedures. When performing the tail rotor failure operation, he failed to comply with the operating procedures and grasp operating principles. In addition, the captain did not place his feet on the anti-torque pedals during the exercise, which resulted in not being able to correct immediately when the aircraft deviated to the right, causing the main rotor to hit the runway surface and a crash on the runway.
Accident investigation:
 |
|
Sources:
http://taiwanenglishnews.com/helicopter-crashes-during-training-exercise-in-kaohsiung-city/
https://www.ttsb.gov.tw/english/16051/16113/16114/25098/post
https://www.ttsb.gov.tw/1243/16869/25122/post
https://www.ttsb.gov.tw/media/4607/na103-executivesummary.pdf
Location
Media:
Helicopter crashes during training exercise in Kaohsiung City https://t.co/yxvkB0kRvg pic.twitter.com/tEh3zBNeQl
— Taiwan English News (@phillipcharlier) April 7, 2020
NASC #SAR AS365N LOC-I during training: pilot did not have feet on anti-torque pedals during TR failure traininghttps://t.co/eNgH2wPXAM#helicopter #accident #flightsafety #aviationsafety pic.twitter.com/Cjiodr0MR1
— Aerossurance (@Aerossurance) February 4, 2021
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 07-Apr-2020 16:04 | gerard57 | Added |
| 07-Apr-2020 16:08 | harro | Updated [Aircraft type, ] |
| 07-Apr-2020 16:12 | harro | Updated [Aircraft type, Registration, Cn, Source, Embed code, ] |
| 07-Apr-2020 16:43 | Aerossurance | Updated [Operator, Nature, Departure airport, Destination airport, Embed code, Narrative, ] |
| 09-May-2020 17:06 | Aerossurance | Updated [Time, Source, ] |
| 31-Jan-2021 14:07 | Aerossurance | Updated [Source, Narrative, ] |
| 03-Feb-2021 14:38 | harro | Updated [Location, Nature, Departure airport, Destination airport, Source, Narrative, Accident report, ] |
| 04-Feb-2021 07:59 | Aerossurance | Updated [Narrative, Accident report, ] |
| 04-Feb-2021 08:07 | Aerossurance | Updated [Embed code, Accident report, ] |
| 04-Feb-2021 08:09 | Aerossurance | Updated [Embed code, Accident report, ] |
| 04-Feb-2021 08:09 | Aerossurance | Updated [Accident report, ] |
| 04-Feb-2021 08:11 | Aerossurance | Updated [Embed code, Narrative, Accident report, ] |
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