ASN Wikibase Occurrence # 248934
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| Date: | Sunday 16 February 2020 |
| Time: | 15:54 LT |
| Type: |  AgustaWestland AW139 |
| Owner/operator: | Sapporo City Fire Department Air Corp |
| Registration: | JA17AR |
| MSN: | 41519 |
| Fatalities: | Fatalities: 0 / Occupants: |
| Aircraft damage: | None |
| Category: | Serious incident |
| Location: | Ishikari City, Hokkaido -
 Japan
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Ambulance |
| Departure airport: | Ishikari City, Hokkaido |
| Ishikari City, Hokkaido | |
| Investigating agency: | JTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
Hoist weights (10 lbs) fell from aircraft at 180 ft during hoist training.
PROBABLE CAUSES
The JTSB concludes that the probable cause of this serious incident was the weight hook was almost certainly not properly closed when attached on the hoist hook, and at the timing weights with the hoist hook were released outside of the Rotorcraft, the hook opened and weights dropped.
Accident investigation:
 |
|
Sources:
http://aerossurance.com/helicopters/sar-dropped-object
https://www.mlit.go.jp/jtsb/eng-air_report/JA17AR.pdf
Media:
Hoist Weights fall from #sar AW139: JTSB comment "When introducing new equipment, it is necessary to confirm in advance, the usage including appropriate selection, and sufficiently identify the risk factors". https://t.co/FjxnXyN4fI #searchandrescue #helicopter #changemanagement pic.twitter.com/CElmqvsH4M
— Aerossurance (@Aerossurance) March 21, 2021
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 20-Mar-2021 13:51 | Aerossurance | Added |
| 21-Mar-2021 09:57 | Aerossurance | Updated [Embed code] |
| 06-Apr-2021 17:38 | harro | Updated [Embed code, Narrative, Accident report] |
Corrections or additions? ... Edit this accident description
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