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Accident
Last updated: 22 October 2017
Statuts:Enquête Officielle
Date:lundi 22 juillet 2013
Heure:17:45
Type/Sous-type:Silhouette image of generic B737 model; specific model in this crash may look slightly different
Boeing 737-7H4 (WL)
Compagnie:Southwest Airlines
Immatriculation: N753SW
Numéro de série: 29848/400
Année de Fabrication: 1999-10-06 (13 years 10 months)
Heures de vol:49536
Moteurs: 2 CFMI CFM56-7B22
Equipage:victimes: 0 / à bord: 5
Passagers:victimes: 0 / à bord: 145
Total:victimes: 0 / à bord: 150
Dégats de l'appareil: Substantiels
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:New York-La Guardia Airport, NY (LGA) (   Etats-Unis d'Amérique)
Phase de vol: A l'atterrissage (LDG)
Nature:Transport de Passagers Nat.
Aéroport de départ:Nashville International Airport, TN (BNA/KBNA), Etats-Unis d'Amérique
Aéroport de destination:New York-La Guardia Airport, NY (LGA/KLGA), Etats-Unis d'Amérique
Numéro de vol:WN345
Détails:
A Boeing 737-700, operated by Southwest Airlines, was damaged in a landing accident at New York-La Guardia Airport, NY (LGA). There were 145 passengers and five crew members on board. Nine occupants were treated for minor injuries.
Southwest flight WN345 departed from Nashville, TN. The first officer was the pilot flying and the captain was the pilot monitoring. The en route part of the flight was uneventful. Flight 345 was cleared for the ILS runway 04 approach at New York-La Guardia.
SWA 345 proceeded on the approach when at a point below 400 feet, there was an exchange of control of the airplane and the captain became the flying pilot and made the landing.
Evidence from video and other sources is consistent with the nose-gear making contact with the runway before the main landing gear, according to the NTSB.
At touchdown, the airspeed was approximately 133 knots and the aircraft was pitched down approximately 3 degrees. The nose landing gear collapsed rearward and upward into the fuselage. The electronics bay was damaged. The exterior of the airplane was also damaged from sliding 2,175 feet on its nose along runway 4 before coming to rest, off to the right side of the runway.
A preliminary examination of the nose gear indicated that it failed due to stress overload.

Probable Cause:

PROBABLE CAUSE: "The captain's attempt to recover from an unstabilized approach by transferring airplane control at low altitude instead of performing a go-around. Contributing to the accident was the captain's failure to comply with standard operating procedures."

Accident investigation:
cover
Investigating agency: NTSB
Status: Investigation completed
Duration: 2 years
Accident number: DCA13FA131
Download report: Summary report

Sources:
» NTSB
» Jet bound for scrap (Times Union, 29-1-2014)
» SKYbrary 


Photos

photo of Boeing 737-7H4 (WL) N753SW
photo of Boeing 737-7H4 (WL) N753SW
photo of Boeing 737-7H4 (WL) N753SW
photo of Boeing 737-7H4 (WL) N753SW
photo of Boeing 737-7H4 (WL) N753SW
photo of Boeing 737-7H4 (WL) N753SW
photo of Boeing 737-7H4 (WL) N753SW
photo of Boeing 737-7H4 (WL) N753SW
Flight Data Recorder (FDR) graph
photo of Boeing 737-7H4 (WL) N753SW
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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 Nashville International Airport, TN et New York-La Guardia Airport, NY est de 1219 km (762 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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