Accident Embraer ERJ 190AR XA-GAL, Tuesday 31 July 2018
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Date:Tuesday 31 July 2018
Type:Silhouette image of generic E190 model; specific model in this crash may look slightly different    
Embraer ERJ 190AR
Owner/operator:Aeroméxico Connect
Registration: XA-GAL
MSN: 19000173
Year of manufacture:2008
Total airframe hrs:27257 hours
Cycles:18200 flights
Engine model:General Electric CF34-10E6
Fatalities:Fatalities: 0 / Occupants: 103
Other fatalities:0
Aircraft damage: Destroyed, written off
Location:Durango-Guadalupe Victoria Airport (DGO) -   Mexico
Phase: Take off
Nature:Passenger - Scheduled
Departure airport:Durango-Guadalupe Victoria Airport (DGO/MMDO)
Destination airport:Mexico City-Benito Juárez International Airport (MEX/MMMX)
Investigating agency: CIDAIA Mexico
Confidence Rating: Accident investigation report completed and information captured
Aeroméxico Flight 2431 operated by an Aeroméxico Connect Embraer ERJ-190 impacted airport terrain shortly after commencing takeoff from runway 03 at Guadalupe Victoria International Airport (MMDO), Durango, and a post-impact fire ensued. All 103 occupants survived but 14 suffered serious injuries.
The aircraft arrived at Durango from Mexico City as flight 2430 at 14:11 hours local time, 23 minutes ahead of schedule. As the ERJ-190 was prepared for the return flight there was a broken layer of cumulonimbus clouds at 2500 feet. Airport weather information shows that a thunderstorm had developed by 15:18 hours local time and the temperature had dropped from 28°C to 20°C over the previous hour.
In the flight crew on board flight AM2431 consisted of a captain, co-pilot and an observer. The observer was a licensed commercial pilot with type rating for Beech King Air planes. He was in the process of obtaining a type rating for Embraer jets and had accumulated 64 hours of simulator time.
The captain allowed the observer to take the right hand seat and the co-pilot occupied the jump seat. He also allowed the observer to act as Pilot Flying.
The aircraft commenced the takeoff roll on runway 03 at 15:22 hours local time (planned departure time was 15:09 hours).
During the takeoff roll there were notable variations in airspeed and wind direction. At 15:22:42 hours, the aircraft was accelerating through an airspeed of 146 knots. Wind at that time was 47 degrees (from the right-hand side) at 33 knots. Eight seconds later the aircraft had rotated and was climbing through 8 feet radio altitude at an airspeed of 145 knots. By that time the wind had shifted to a crosswind: 103 degrees at 11 knots. The aircraft reached a highest altitude of about 30 feet. At 15:22:56 hours, the aircraft had descended to 19 feet and was caught in a 22-knot tailwind of 30 degrees.
The aircraft then hit the ground to the left of the runway, left wing first. Both engines broke away during the subsequent ground slide. The aircraft came to rest about 380 meters past the runway threshold and 320 meters past the paved end of the runway, slightly to the left of the extended centreline. The length of runway 03 is 2900 m (9514 ft).

Probable cause: "Impact against the runway caused by loss of control of the aircraft in the final phase of the take-off run by low altitude windshear that caused a loss of speed and lift".

(a) Decrease in situational awareness of the SLI2431 flight crew when the commander was performing unauthorized instructional tasks without being qualified to provide flight instruction and to assign co-pilot and Pilot Flying duties to a an uncertified and unlicensed pilot.
(b) Failure to detect variations in the indicator displayed by the airspeed indicator on the PFD during the take-off run.
(c) Lack of adherence to sterile cabin procedures and operational procedures (TVC; Changes of runway and/or take off conditions after door closings; Take off in adverse windshear conditions) established in the Flight Operations Manual, the Dispatch Manual and the Standard Operating Procedures of Aerolitoral, S. A. de C. V.

Navigation Services in the Mexican Air Space:
a) Lack of adherence to procedure 7.18 "Cizalleo a baja altura" published in the Manual de Gestión de Tránsito Aéreo de México, Ed.2018.
b) Lack of adherence to the stipulated in point Aerodrome and meteorological information, subsection and of the Manual de Gestión de Transito Aéreo de México, Ed. 2018, to provide information on important variations in wind direction and speed, value of visibility existing at the time of takeoff and significant meteorological conditions.
c) Lack of supervisory personnel in TWR DGO.


18:44 UTC / 13:44 local time:
MMDO 311844Z 12003KT 12SM BKN025TCU BKN200 26/11 A3026 RMK 8/201 ISOL CB

19:41 UTC / 14:41 local time:
MMDO 311941Z 01005KT 10SM BKN025CB 28/10 A3023 RMK 8/300

20:18 UTC / 15:18 local time:
MMDO 312018Z 07003KT 7SM TSRA BKN020CB 20/13 A3023 RMK 8/900 TSRAB13

21:03 UTC / 16:03 local time:
MMDO 312103Z RTD 28007KT 7SM OVC015CB 17/14 A3024 RMK SLP118 57014 956 8/9 // PISTA CERRADA POR ACFT ACCIDENTADA

Accident investigation:
Investigating agency: CIDAIA Mexico
Report number: ACCDTAFA034/2018MMDO
Status: Investigation completed
Duration: 6 months
Download report: Final report


Aéromexico statement



photo (c) Google Earth / ASN annotations; Durango-Guadalupe Victoria Airport (DGO); 31 July 2018

photo (c) DGAC Mexico; Durango-Guadalupe Victoria Airport (DGO); 31 July 2018

photo (c) DGAC Mexico; Durango-Guadalupe Victoria Airport (DGO); 31 July 2018

photo (c) Leslie Snelleman; Mexico City-Benito Juárez International Airport (MEX/MMMX); 25 March 2015

photo (c) Nelson Mejia; San Pedro Sula-Ramon Villeda Morales Airport (SAP/MHLM); 28 July 2018

Revision history:


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