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ASN Wikibase Occurrence # 189263
Last updated: 13 September 2021
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Time:17:39 UTC
Type:Silhouette image of generic A320 model; specific model in this crash may look slightly different
Airbus A320-231
Owner/operator:Atrak Air
Registration: EP-TTA
MSN: 393
Fatalities:Fatalities: 0 / Occupants: 163
Other fatalities:0
Aircraft damage: Minor
Location:Tehran-Mehrabad Airport (THR/OIII) -   Iran
Phase: Take off
Nature:Passenger - Scheduled
Departure airport:Tehran-Mehrabad Airport (THR/OIII)
Destination airport:Mashhad-Shahid Hashemi Nejad Airport (MHD/OIMM)
Investigating agency: AAIB Iran
An Atrak Air Airbus A320, operarting flight 1943, suffered a runway excursion incident at Tehran-Mehrabad Airport's runway 29L in Iran.
The aircraft swerved right, then left and departed the left side of the runway, coming to rest on the grass beside the runway.

Probable Cause:
The IRI CAO Aircraft incident Investigation Board determines that the probable cause of this accident was the pilot failure to set engine power to take off power without initial stabilization on both engine parameters and also timely manner to safely aborting take-off and stop the aircraft after rolling, which resulted in a runway excursion. This failure occurred because the pilots’ lack of attention with the aircraft FCOM.
Contributive factors:
- Failure of the airline to provide its pilots with clear and consistent guidance and training regarding company policies and procedures related to engine stabilization before take-off roll and SOP review.
- Lack of cockpit management (CRM) for task sharing and decision making.


Accident investigation:
Investigating agency: AAIB Iran
Status: Investigation completed
Download report: Final report
Other occurrences involving this aircraft

25 Nov 2018 EP-TTA Iranair Tours Co. 0 NE of Ahwaz non

Safety recommendations:

Safety recommendation EP-TTA(1) issued 6 May 2017 by AAIB Iran to IRI Civil Aviation Organization
Safety recommendation EP-TTA(2) issued 6 May 2017 by AAIB Iran to IRI Civil Aviation Organization
Safety recommendation EP-TTA(3) issued 6 May 2017 by AAIB Iran to IRI Civil Aviation Organization
Safety recommendation EP-TTA(4) issued 6 May 2017 by AAIB Iran to Airbus



Photo of EP-TTA courtesy

Tehran - Mehrabad International (OIII / THR)
31 January 2019; (c) Dara Zarbaf

Revision history:

13-Aug-2016 19:08 harro Added
13-Aug-2016 19:20 harro Updated [Phase, Nature, Departure airport, Destination airport, Source, Embed code, Narrative]
14-Aug-2016 17:06 Anon. Updated [Total occupants, Damage]
04-May-2017 19:10 Anon. Updated [Total occupants, Narrative]
20-Nov-2017 13:39 harro Updated [Narrative]
20-Nov-2017 13:44 harro Updated [Time, Source]

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