ASN logo
Last updated: 18 September 2021
Statuts:Enquête Officielle
Date:vendredi 5 janvier 2018
Type/Sous-type:Silhouette image of generic B738 model; specific model in this crash may look slightly different
Boeing 737-8CT (WL)
Immatriculation: C-FDMB
Numéro de série: 60127/5188
Année de Fabrication: 2014-11-20 (3 years 2 months)
Moteurs: 2 CFMI CFM56-7B27E
Equipage:victimes: 0 / à bord: 6
Passagers:victimes: 0 / à bord: 168
Total:victimes: 0 / à bord: 174
Dégats de l'appareil: Substantiels
Conséquences: Repaired
Lieu de l'accident:Toronto-Pearson International Airport, ON (YYZ) (   Canada)
Phase de vol: En attente (STD)
Nature:Transport de Passagers Intern.
Aéroport de départ:Cancún Airport (CUN/MMUN), Mexique
Aéroport de destination:Toronto-Pearson International Airport, ON (YYZ/CYYZ), Canada
Numéro de vol:WS2425
Two Boeing 737-800 aircraft were involved in a collision on the ground at Toronto-Pearson International Airport, Canada.
WestJet flight 2425, a Boeing 737-800 registered C-FDMB, landed on runway 24R at 17:39 hours local time following a flight from Cancún, Mexico. The flight taxied to Terminal 3 and was stopped with the engines and APU running, on Taxi-lane 2 on the north side of Pier B. The flight crew were waiting for ground personnel to marshal the aircraft into position at Gate B12.
The WestJet aircraft was positioned directly behind and perpendicular to a Sunwing Airlines Boeing 737-800 (C-FPRP), which was parked at Gate B13.
The Sunwing aircraft was being prepared to be towed to another location at the airport. A Sunwing maintenance technician was in the cockpit of C-FPRP, and the aircraft's APU was running. Two ground personnel were in the cab of the tow vehicle. The tow vehicle was informed by the North Apron controller to pushback at their discretion.
The Sunwing aircraft (under tow) began to move back and the APU contacted the right wing of the stationary WestJet aircraft. A fire rapidly ensued. The WestJet flight crew immediately commenced the required steps for an evacuation, and an evacuation was ordered shortly after. The tow vehicle operator pulled the Sunwing aircraft back towards the gate to separate the two aircraft.
The slides on the WestJet aircraft were utilized on doors L1, R1 and L2, along with the over-wing exits on the left side; all passengers evacuated safely. The maintenance technician aboard the Sunwing aircraft exited the left cockpit window using the emergency rope and received minor injuries.
ARFF arrived at the scene, and extinguished the fire. The Sunwing aircraft sustained substantial damage.

Probable Cause:

In this accident, the pushback was conducted without the use of wing walkers, which is not in accordance with Swissport, Sunwing, and GTAA requirements. The investigation also determined that wing walkers were normally used by Swissport only when pushing back aircraft with passengers on board. In addition, the GTAA apron radio officer used phraseology that was not consistent with GTAA AMU procedures.
WestJet’s pre-flight safety briefings do not inform passengers to leave behind carry-on baggage in the event of an evacuation. During this occurrence, several passengers retrieved their carry-on baggage, despite the fact that FAs repeatedly provided specific instructions to the contrary. These passenger actions, in combination with the lack of emergency lighting, delayed the evacuation process.

Accident investigation:
Investigating agency: TSB Canada
Status: Investigation completed
Duration: 187 days (6 months)
Accident number: A18O0002
Download report: Final report



photo of Boeing-737-8CT-C-FDMB
accident date: 05-01-2018
type: Boeing 737-8CT (WL)
registration: C-FDMB
photo of Boeing-737-8CT-C-FDMB
accident date: 05-01-2018
type: Boeing 737-8CT (WL)
registration: C-FDMB

Video, social media

Ce plan montre l'aéroport de départ ainsi que la supposée destination du vol. La ligne fixe reliant les deux aéroports n'est pas le plan de vol exact.
La distance entre Cancún Airport et Toronto-Pearson International Airport, ON est de 2590 km (1619 miles).
Accident location: Approximate; accuracy within a few kilometers.

Les informations ci-dessus ne représentent pas l'opinion de la 'Flight Safety Foundation' ou de 'Aviation Safety Network' sur les causes de l'accident. Ces informations prélimimaires sont basées sur les faits tel qu'ils sont connus à ce jour.
languages: languages