Détails:
Continental Flight 475 departed Houston at 20:56 for an IFR flight to Guadalajara. After executing a missed approach on their first ILS approach to runway 28, the flight was vectored for a second approach to runway 28. The second approach was reported by both pilots to be uneventful; however, after touchdown, the aircraft drifted to the left side of the runway. The left main landing gear exited the hard surface of the runway approximately 2700 feet from the threshold and eventually all 3 landing gears exited the 197 foot wide asphalt runway. The first officer, who was flying the airplane, stated that he never felt any anti-skid cycling during the landing roll and did not feel any "radical braking" which was expected with the auto-brake in the number 3 setting. The airplane's nose landing gear collapsed resulting in structural damage to the avionics bay, the forward baggage compartment, the engine cowlings and pylons. Both engines incurred FOD. A total of 15 runway lights on the southern edge of runway 28 were found either sheared or knocked down. The tower operator reported that intermittent heavy rain showers accompanied with downdrafts and strong winds associated with a thunderstorm northeast of the airport prevailed throughout the area at the time of the accident. The two transport category airplanes that landed prior to Continental flight 475 reported windshear on final approach. The winds issued to Continental 475 by the tower while on short final were from 360 degrees at 20 knots, gusting to 40 knots. Prior to the arrival of Continental flight 475, an Aeromexico MD-82, drifted to the left side of the runway to the point where the left main gear exited the hard surface of the runway. The pilot of that flight stated that he used differential power to regain control and bring the aircraft back on the runway. The flight taxied to the gate without further incident.
Crew error in attempting to land in crosswinds beyond the aircraft's capability.
| Statuts: | Accident Investigation report not yet completed, but information verified through authorities or other sources. |
| Date: | mercredi 16 septembre 1998 |
| Heure: | 22:53 |
| Type/Sous-type: |  Boeing 737-524 |
| Compagnie: | Continental Air Lines |
| Immatriculation: | N20643 |
| Numéro de série: | 28904/2933 |
| Année de Fabrication: | 1997-09-12 (1 year ) |
| Moteurs: | 2 CFMI CFM56-3C1 |
| Equipage: | victimes: 0 / à bord: 6 |
| Passagers: | victimes: 0 / à bord: 102 |
| Total: | victimes: 0 / à bord: 108 |
| Dégats de l'appareil: | Perte Totale |
| Conséquences: | Written off (damaged beyond repair) |
| Lieu de l'accident: | Guadalajara-Miguel Hidal Airport (GDL) ( Mexique)
|
| Phase de vol: | A l'atterrissage (LDG) |
| Nature: | Transport de Passagers Intern. |
| Aéroport de départ: | Houston-George Bush Intercontinental Airport, TX (IAH/KIAH), Etats-Unis d'Amérique |
| Guadalajara-Don Miguel Hidalgo y Costilla International Airport (GDL/MMGL), Mexique | |
| Numéro de vol: | CO475 |
Continental Flight 475 departed Houston at 20:56 for an IFR flight to Guadalajara. After executing a missed approach on their first ILS approach to runway 28, the flight was vectored for a second approach to runway 28. The second approach was reported by both pilots to be uneventful; however, after touchdown, the aircraft drifted to the left side of the runway. The left main landing gear exited the hard surface of the runway approximately 2700 feet from the threshold and eventually all 3 landing gears exited the 197 foot wide asphalt runway. The first officer, who was flying the airplane, stated that he never felt any anti-skid cycling during the landing roll and did not feel any "radical braking" which was expected with the auto-brake in the number 3 setting. The airplane's nose landing gear collapsed resulting in structural damage to the avionics bay, the forward baggage compartment, the engine cowlings and pylons. Both engines incurred FOD. A total of 15 runway lights on the southern edge of runway 28 were found either sheared or knocked down. The tower operator reported that intermittent heavy rain showers accompanied with downdrafts and strong winds associated with a thunderstorm northeast of the airport prevailed throughout the area at the time of the accident. The two transport category airplanes that landed prior to Continental flight 475 reported windshear on final approach. The winds issued to Continental 475 by the tower while on short final were from 360 degrees at 20 knots, gusting to 40 knots. Prior to the arrival of Continental flight 475, an Aeromexico MD-82, drifted to the left side of the runway to the point where the left main gear exited the hard surface of the runway. The pilot of that flight stated that he used differential power to regain control and bring the aircraft back on the runway. The flight taxied to the gate without further incident.
Probable Cause:
Crew error in attempting to land in crosswinds beyond the aircraft's capability.
Sources:
» NTSB Docket DCA09MA021Photos
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 Houston-George Bush Intercontinental Airport, TX et Guadalajara-Don Miguel Hidalgo y Costilla International Airport est de 1313 km (821 miles).
La distance entre Houston-George Bush Intercontinental Airport, TX et Guadalajara-Don Miguel Hidalgo y Costilla International Airport est de 1313 km (821 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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