ASN Wikibase Occurrence # 235359
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| Date: | Tuesday 13 June 2017 |
| Time: | 18:09 |
| Type: |  Bell 214B1 |
| Owner/operator: | Ubi Air |
| Registration: | HL9157 |
| MSN: | 28006 |
| Year of manufacture: | 1976 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Gyeonggi Dongducheon Soyosan -
 South Korea
|
| Phase: | Approach |
| Nature: | External load operation |
| Departure airport: | |
| Investigating agency: | ARAIB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The helicopter was transporting construction materials on a rope to the nearby Mt. Kalbawi Ridge.
The cargo hit a tree on the ground and the helicopter crashed.
Cause:
The Aviation and Railway Accident Investigation Board determines the cause of the accident as "The external cargo, while approaching to unload, became entangled with a ground obstacle (tree) and resulted in a crash."
Contributing Factors:
1. The pilot failed to adequately assess the altitude clearance between external cargo and ground obstacles while approaching to unload the cargo.
2. Adequate advice for obstacle avoidance from the ground safety guide personnel was not provided during the aircraft's approach.
3. The pilot did not execute emergency procedures for the removal of external cargo and evacuation from the scene when the external cargo became entangled with a ground obstacle.
Accident investigation:
 |
|
Sources:
ARAIB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 21-Apr-2020 20:06 | harro | Added |
| 12-Nov-2023 13:06 | harro | Updated [Time, Other fatalities, Phase, Nature, Narrative, Category] |
Corrections or additions? ... Edit this accident description
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