ASN Wikibase Occurrence # 77022
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| Date: | Tuesday 5 August 1986 |
| Time: | 12:25 |
| Type: |  Bell UH-1H Iroquois |
| Owner/operator: | US Army |
| Registration: | 74-22300 |
| MSN: | 13624 |
| Fatalities: | Fatalities: 0 / Occupants: 4 |
| Aircraft damage: | Destroyed |
| Location: | Nieden Brelon -
 Germany
|
| Phase: | Unknown |
| Nature: | Military |
| Departure airport: | |
| Confidence Rating: |  Little or no information is available |
Transmission failure at 1,500 feet AGL during normal flight. Transmission's input quill had a section of 7 teeth break off, causing the transmission to internally fail as it's gears tore itself up. The input quill had been over-torqued when the transmission was in an overhaul facility and failed after 425 hours of operation (as stated in the accident report). Rotor speed decreased significantly during autorotation, but the transmission finally seized about 500 feet AGL. Aircraft still crashed in a relatively normal attitude, but 'pancaked' on input.
Sources:
R Schumacher
Images:
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 07-Sep-2010 14:30 | ASN Archive | |
| 29-Jun-2016 18:19 | Honcho 64 | Updated [Cn] |
| 01-Aug-2022 13:21 | RSchumacher | Updated [Time, Total fatalities, Total occupants, Location, Country, Source, Narrative, Photo] |
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