ASN Wikibase Occurrence # 180040
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| Date: | Sunday 17 May 2015 |
| Time: | |
| Type: |  MDHI MD530F Little Bird |
| Owner/operator: | Afghan Air Force |
| Registration: | 218 |
| MSN: | 0218FF |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Location: | Khak-E-Jabar disttrict, Kabul Province -
 Afghanistan
|
| Phase: | Landing |
| Nature: | Military |
| Departure airport: | |
| Confidence Rating: |  Information is only available from news, social media or unofficial sources |
Tail section contacted with mountain side. Pilots were able to go out before copter rolled down.
The US Army Flightfax magazine reported the aircraft loss tail rotor effective in a low hover at high-altitude.
Investigation determined the aircraft would not provide sufficient tail rotor authority during an approach to a hover at the density altitude and weight at which it was operating. The aircraft’s flight manual provided only one chart indicating less than 10% control authority at DA greater than 5,000 feet at a heavier gross weight. This fact was not adequately addressed by written warnings or in the limitations section of the flight manual. Additionally, the IP’s aircraft qualification training did not teach the performance limits of the aircraft at high gross weights and/or high density altitude.
Sources:
http://www.defencenews.in/defence-news-internal.aspx?id=qJPNM1vcTZ4=
http://www.defenseworld.net/news/14193/Afghan_Forces_Criticize_US_Made_MD_Helicopters#.Vgux7n2Iy0k
Scramble (433)
https://www.pajhwok.com/en/2015/05/17/2-pilots-wounded-ana-helicopter-crash
https://safety.army.mil/Portals/0/Documents/ON-DUTY/AVIATION/FLIGHTFAX/Standard/2015/June_Jul_Aug_2015_Flightfax.pdf
(page7 "Mishap Review : MD530F"
Images:
Photo: USAF
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 30-Sep-2015 11:36 | plcedi | Added |
| 30-Sep-2015 17:42 | n25992 | Updated [Date] |
| 14-Mar-2020 11:06 | StokieSteve | Updated [Registration, Cn, Operator, Location, Source, Narrative] |
| 14-Mar-2020 11:09 | harro | Updated [Source, Narrative, Photo] |
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