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Last updated: 23 January 2021
Statuts:Enquête Officielle
Date:vendredi 15 octobre 1999
Heure:09:18
Type/Sous-type:Silhouette image of generic A320 model; specific model in this crash may look slightly different
Airbus A320-231
Compagnie:America West Airlines
Immatriculation: N627AW
Numéro de série: 066
Année de Fabrication:
Heures de vol:32206
Equipage:victimes: 0 / à bord: 5
Passagers:victimes: 0 / à bord: 89
Total:victimes: 0 / à bord: 94
Dégats de l'appareil: Substantiels
Conséquences: Repaired
Lieu de l'accident:Phoenix-Sky Harbor International Airport, AZ (PHX) (   Etats-Unis d'Amérique)
Phase de vol: Au roulage (TXI)
Nature:Transport de Passagers Nat.
Aéroport de départ:Phoenix-Sky Harbor International Airport, AZ (PHX/KPHX), Etats-Unis d'Amérique
Aéroport de destination:Tucson International Airport, AZ (TUS/KTUS), Etats-Unis d'Amérique
Numéro de vol:2433
Détails:
America West Flight 2433, an Airbus A320-231, N627AW, collided with a pedestrian walkway during pushback in Phoenix, Arizona. The aircraft sustained substantial damage; however, none of the 89 passengers nor the 5 crewmembers were injured. The airplane was originating as a non-stop flight to Tucson, Arizona.

At each gate, America West has a mark painted on the ramp called the "T." This "T" marking is the target point for each tug driver to place the nose wheel during pushback operations.
The captain reported that he was at gate A-2 when he received a clearance from ramp control that he was to push to the "T" and to advise when ready to taxi. The captain read the clearance to the tug driver over the intercom. The tug driver read back the clearance and began the pushback about 40 seconds later. Approximately 10 feet before reaching the "T," the aircraft's right horizontal stabilizer struck the pedestrian walkway that connects concourse A to concourse N-1. The tug driver then reported to the captain that, "I may have hit something." The captain made an announcement to the cabin about the nature of the problem and then received permission from ground safety supervisors to pull back to gate A-2.

The procedure to push the aircraft to the "T" had been discontinued due to the construction of the new pedestrian walkway between concourses A and N-1 that did not allow sufficient clearance for the pushback. However, on the morning of the accident, it was decided that pushbacks to the "T" at gate A-2 would resume as of that morning.
The aircraft was accompanied by wing walkers and when the aircraft was about 20 to 25 feet from the walkway, the right wing walker signaled the tug driver to stop the push. The tug driver said he was focused on correctly positioning the nose wheel on the "T" and did not see the signal in time to stop the aircraft.

Probable Cause:

The airline's failure to fully review the obstruction clearances and revise the pushback procedures in an area of the ramp where new construction had impinged on the available ramp space. Also causal was the failure of the tug driver and the wing walkers to maintain adequate communications during the pushback. A factor in the accident was the failure of the airline to follow its own internal decision processes when implementing the procedural change on this ramp.

Accident investigation:
cover
Investigating agency: NTSB
Status: Investigation completed
Duration: 1 year and 7 months
Accident number: LAX00LA015
Download report: Summary report


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Plan
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 Phoenix-Sky Harbor International Airport, AZ et Tucson International Airport, AZ est de 176 km (110 miles).

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.
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