Crash-aerien 09 SEP 1999 d'un McDonnell Douglas DC-9-31 N993Z - Nashville Metropolitan Airport, TN (BNA)
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Statuts:Accident investigation report completed and information captured
Date:jeudi 9 septembre 1999
Type/Sous-type:Silhouette image of generic DC93 model; specific model in this crash may look slightly different
McDonnell Douglas DC-9-31
Compagnie:Trans World Airlines - TWA
Immatriculation: N993Z
Numéro de série: 47082/181
Année de Fabrication: 1967
Heures de vol:77374
Moteurs: 2 Pratt & Whitney JT8D-9A
Equipage:victimes: 0 / à bord: 5
Passagers:victimes: 0 / à bord: 41
Total:victimes: 0 / à bord: 46
Dégats de l'appareil: Perte Totale
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:Nashville Metropolitan Airport, TN (BNA) (   Etats-Unis d'Amérique)
Phase de vol: A l'atterrissage (LDG)
Nature:Transport de Passagers Nat.
Aéroport de départ:Saint Louis-Lambert International Airport, MO (STL/KSTL), Etats-Unis d'Amérique
Aéroport de destination:Nashville International Airport, TN (BNA/KBNA), Etats-Unis d'Amérique
Numéro de vol:TW600
Flight 600 had been cleared for a visual approach to runway 02 Left. On turning to finals, the sink rate was between 600 to 800 feet. The airplane touched down hard on the right main landing gear. The aircraft bounced and landed back. On the second impact the crew felt a vibration, the left wing started to settle and made contact with the ground. The pilot-in-command stated right before touchdown, he knew the FO was not going to make a good landing. The airplane touched down hard, but he did not expect a hard landing of that magnitude. He immediately got on the flight controls and remained on the controls until the
airplane came to a stop.

Probable Cause:

PROBABLE CAUSE: "A preexisting crack on the left main landing gear outer cylinder housing and the first officer's failure to maintain the proper rate of descent resulting in a hard landing on touchdown, and subsequent total failure and separation of the left main landing gear on landing rollout. Contributing to the accident was the pilot-in-commands improper supervision of the first officer during the approach phase of the landing."

Accident investigation:

Investigating agency: NTSB
Status: Investigation completed
Duration: 1 year and 8 months
Accident number: MIA99IA249
Download report: Summary report



photo of DC-9-31-N993Z
accident date: 09-09-1999
type: McDonnell Douglas DC-9-31
registration: N993Z

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 Saint Louis-Lambert International Airport, MO et Nashville International Airport, TN est de 434 km (271 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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