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ASN Wikibase Occurrence # 180040
Last updated: 29 July 2020
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Date:17-MAY-2015
Time:
Type:Silhouette image of generic H500 model; specific model in this crash may look slightly different
MDHI MD530F Little Bird
Owner/operator:Afghan Air Force
Registration: 218
C/n / msn: 0218FF
Fatalities:Fatalities: 0 / Occupants: 2
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Location:Khak-E-Jabar disttrict, Kabul Province -   Afghanistan
Phase: Landing
Nature:Training
Departure airport:
Destination airport:
Narrative:
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/timeContributorUpdates
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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