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Accident
Last updated: 18 October 2017
Statuts:Enquête Officielle
Date:lundi 17 décembre 1973
Heure:15:43
Type/Sous-type:Silhouette image of generic DC10 model; specific model in this crash may look slightly different
McDonnell Douglas DC-10-30
Compagnie:Iberia
Immatriculation: EC-CBN
Numéro de série: 46925/87
Année de Fabrication: 1973
Heures de vol:2016
Moteurs: 3 General Electric CF6-50C
Equipage:victimes: 0 / à bord: 14
Passagers:victimes: 0 / à bord: 154
Total:victimes: 0 / à bord: 168
Dégats de l'appareil: Perte Totale
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:Boston-Logan International Airport, MA (BOS) (   Etats-Unis d'Amérique)
Phase de vol: A l'atterrissage (LDG)
Nature:Transport de Passagers Intern.
Aéroport de départ:Madrid-Barajas Airport (MAD/LEMD), Espagne
Aéroport de destination:Boston-Logan International Airport, MA (BOS/KBOS), Etats-Unis d'Amérique
Numéro de vol:IB933
Détails:
The DC-10 approached Boston runway 33L in bad weather (rain, fog, 1.2 km visibility). The aircraft struck approach lights 500 feet short of the threshold and collided with a dyke. The right main gear was sheared off, the aircraft then skidded and came to a rest 3000 feet from the threshold.

Probable Cause:

PROBABLE CAUSE: "The captain did not recognize, and may have been unable to recognize, an increased rate of descent in time to arrest it before the aircraft struck the approach light piers. The increased rate of descent was induced by an encounter with a low-level wind shear at a critical point in the landing approach where he was transitioning from automatic flight control under instrument flight conditions to manual flight control with visual references. The captain's ability to detect and arrest the increased rate of descent was adversely affected by a lack of information as to the existence of the wind shear and the marginal visual cues available. The minimal DC-10 wheel clearance above the approach lights and the runway threshold afforded by the ILS glide slope made the response time critical and, under the circumstances, produced a situation wherein a pilot's ability to make a safe landing was greatly diminished."

Accident investigation:
cover
Investigating agency: NTSB
Status: Investigation completed
Duration: 11 months
Accident number: NTSB/AAR-74-14
Download report: Final report


Opérations de secours

NTSB issued 7 Safety Recommendations

Show all AD's and Safety Recommendations

Photos

photo of McDonnell Douglas DC-10-30 EC-CBN
photo of McDonnell Douglas DC-10-30 EC-CBN
photo of McDonnell Douglas DC-10-30 EC-CBN
photo of McDonnell Douglas DC-10-30 EC-CBN
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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 Madrid-Barajas Airport et Boston-Logan International Airport, MA est de 5435 km (3397 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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