ASN Wikibase Occurrence # 121292
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| Date: | Tuesday 11 April 1989 |
| Time: | 10:31 |
| Type: |  Sikorsky S-58ET |
| Owner/operator: | Midwest Helicopters |
| Registration: | N4247U |
| MSN: | 58-1537 |
| Total airframe hrs: | 4326 hours |
| Engine model: | P&W PT6T-6 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Milwaukee, WI -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | External load operation |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Information is only available from news, social media or unofficial sources |
Crashed during logging operation due to disconnect of the tail rotor drive shaft coupling; pilot seriously injured; helicopter rebuilt; ex H-34G-III 80+67 Heeresflieger (German Army).
Sources:
1. http://www3.ntsb.gov/aviationquery/brief.aspx?ev_id=20001213X28056&key=1
2. http://www.griffin-helicopters.co.uk/videos/tr%20drive%20failure.wmv
3. http://www.airport-data.com/aircraft/photo/000020094.html
History of this aircraft
Other occurrences involving this aircraft
| 27 November 2022 | HL9678 | TransHeli Corporation | 5 | Yangyang, Gangwon Province |  |
w/o |
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 23-Mar-2011 17:31 | TB | Added |
| 21-Dec-2016 19:25 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
Corrections or additions? ... Edit this accident description
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