ASN logo
ASN Wikibase Occurrence # 191735
Last updated: 17 October 2021
This information is added by users of ASN. Neither ASN nor the Flight Safety Foundation are responsible for the completeness or correctness of this information. If you feel this information is incomplete or incorrect, you can submit corrected information.

Type:Silhouette image of generic MI8 model; specific model in this crash may look slightly different
Mil Mi-171
Owner/operator:Yas Air
Registration: EP-HRB
MSN: 59489617226
Fatalities:Fatalities: 5 / Occupants: 5
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Location:Caspian Sea, off Behshahr, Mazandaran province -   Iran
Phase: Take off
Departure airport:Iran Amir Kabir, Mobile Offshore Drilling Unit
Destination airport:Neka heliport
Investigating agency: AAID Iran
The helicopter crashed into the sea during an offshore take off on an early morning night-time medevac. All five occupants, a patient (who had suffered a heart attack), a medic and three flight crew members, died in the crash.

The main cause of the accident :
The lack of observance of the rules of night flight by the pilots. Ultimately, they had been disorientated or lacking in situational awareness.




Revision history:

27-Nov-2016 10:14 gerard57 Added
27-Nov-2016 10:56 azhdar24 Updated [Aircraft type, Cn]
27-Nov-2016 10:56 harro Updated [Cn, Operator]
27-Nov-2016 13:22 azhdar24 Updated [Source, Embed code]
27-Nov-2016 16:40 harro Updated [Aircraft type, Registration, Operator, Location, Source, Embed code, Narrative]
27-Nov-2016 18:12 Aerossurance Updated [Location, Phase, Departure airport, Source, Narrative]
27-Nov-2016 19:57 azhdar24 Updated [Embed code]
27-Nov-2016 19:58 harro Updated [Embed code]
27-Nov-2016 20:09 Anon. Updated [Registration, Destination airport]
27-Nov-2016 20:09 harro Updated [Registration, Narrative]
05-Dec-2016 15:19 Anon. Updated [Photo, ]
05-Dec-2016 15:19 harro Updated [Registration, Narrative]
08-Nov-2017 18:21 harro Updated [Cn, Narrative]

Corrections or additions? ... Edit this accident description