Narrative:
The aircraft impacted the terrain shortly after takeoff from runway 15 at Toluca International Airport in Mexico. The airplane was partially consumed by the post-impact fire and the two pilots onboard received fatal injuries.
During takeoff, at a speed above V1, the flight crew received a warning that the no.1 engine thrust reverser had deployed. The takeoff was continued and engine power of engine no.1 was reduced to idle. During initial climb the flight crew inadvertently deployed the drag chute. The airplane banked left and the crew lost control of the aircraft.
Probable Cause:
"Loss of control of the aircraft during the emergency procedure of indication of the deployment of the reverse of the engine number one during the take-off run above V1, which was consistent with the training and standard operating procedures that call to continue the take-off, causing the collapse of the aircraft, by low speed and the operation of abrupt maneuvers and turns towards the engine side in IDLE position and commanded opening of the Drag Shut for lack of an adequate CRM".
Contributing factors:
1. False indication of reverse display of dwelling position number one.
2. Failure of pilots of previous flights not to refer failures to indicate the deployment of reverses for maintenance actions.
» hoyestado.com
MMTO 171949Z 26006KT 5SM BKN015 26/08 A3028 RMK 8/200 HZY
20:33 UTC / 15:33 local time:
MMTO 172033Z 30005KT 5SM SCT015TCU 26/06 A3026 RMK 8/200 HZY
20:50 UTC / 15:50 local time:
MMTO 172050Z 20005KT 5SM SCT015TCU 25/05 A3026 RMK SLP015 57020 965 8/200 HZY
| Status: | Accident investigation report completed and information captured |
| Date: | Wednesday 17 May 2017 |
| Time: | 15:25 |
| Type: |  Learjet 25B |
| Operator: | Aerotransportes Huitzilin |
| Registration: | XA-VMC |
| MSN: | 25-114 |
| First flight: | 1973 |
| Total airframe hrs: | 14757 |
| Cycles: | 13567 |
| Engines: | 2 General Electric CJ610-6 |
| Crew: | Fatalities: 2 / Occupants: 2 |
| Passengers: | Fatalities: 0 / Occupants: 0 |
| Total: | Fatalities: 2 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Aircraft fate: | Written off (damaged beyond repair) |
| Location: | ca 0,5 km E of Toluca International Airport (TLC) ( Mexico)
|
| Phase: | Initial climb (ICL) |
| Nature: | Private |
| Departure airport: | Toluca-Licenciado Adolfo López Mateos International Airport (TLC/MMTO), Mexico |
| Durango-Guadalupe Victoria Airport (DGO/MMDO), Mexico |
The aircraft impacted the terrain shortly after takeoff from runway 15 at Toluca International Airport in Mexico. The airplane was partially consumed by the post-impact fire and the two pilots onboard received fatal injuries.
During takeoff, at a speed above V1, the flight crew received a warning that the no.1 engine thrust reverser had deployed. The takeoff was continued and engine power of engine no.1 was reduced to idle. During initial climb the flight crew inadvertently deployed the drag chute. The airplane banked left and the crew lost control of the aircraft.
Probable Cause:
Probable Cause:
"Loss of control of the aircraft during the emergency procedure of indication of the deployment of the reverse of the engine number one during the take-off run above V1, which was consistent with the training and standard operating procedures that call to continue the take-off, causing the collapse of the aircraft, by low speed and the operation of abrupt maneuvers and turns towards the engine side in IDLE position and commanded opening of the Drag Shut for lack of an adequate CRM".
Contributing factors:
1. False indication of reverse display of dwelling position number one.
2. Failure of pilots of previous flights not to refer failures to indicate the deployment of reverses for maintenance actions.
Accident investigation:
 |
|
Classification:
Loss of control
Sources:
» Enfoque Noticias» hoyestado.com
METAR Weather report:
19:49 UTC / 14:49 local time:MMTO 171949Z 26006KT 5SM BKN015 26/08 A3028 RMK 8/200 HZY
20:33 UTC / 15:33 local time:
MMTO 172033Z 30005KT 5SM SCT015TCU 26/06 A3026 RMK 8/200 HZY
20:50 UTC / 15:50 local time:
MMTO 172050Z 20005KT 5SM SCT015TCU 25/05 A3026 RMK SLP015 57020 965 8/200 HZY
Photos
Video, social media
Vídeo: Aeronave sufre accidente cayendo en el aeropuerto de Toluca https://t.co/OiLNeUJgMq pic.twitter.com/QaLKjEMDNv
— ALEJANDRO MALDONADO (@Alex_MaldonadoS) 17 mei 2017
Map
This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Toluca-Licenciado Adolfo López Mateos International Airport to Durango-Guadalupe Victoria Airport as the crow flies is 734 km (459 miles).
Accident location: Exact; as reported in the official accident report.
Distance from Toluca-Licenciado Adolfo López Mateos International Airport to Durango-Guadalupe Victoria Airport as the crow flies is 734 km (459 miles).
Accident location: Exact; as reported in the official accident report.
This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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