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Last updated: 29 March 2020
Statuts:Enquête Officielle
Date:dimanche 11 janvier 1970
Heure:07:00
Type/Sous-type:Silhouette image of generic DC93 model; specific model in this crash may look slightly different
McDonnell Douglas DC-9-31
Compagnie:Texas International Airlines
Immatriculation: N1308T
Numéro de série: 47315/433
Année de Fabrication: 1968
Heures de vol:2281
Moteurs: 2 Pratt & Whitney JT8D-
Equipage:victimes: 0 / à bord: 4
Passagers:victimes: 0 / à bord: 37
Total:victimes: 0 / à bord: 41
Dégats de l'appareil: Substantiels
Conséquences: Repaired
Lieu de l'accident:Harlingen-Valley International Airport, TX (HRL) (   Etats-Unis d'Amérique)
Phase de vol: En approche (APR)
Nature:Transport de Passagers Nat.
Aéroport de départ:McAllen-Miller International Airport, TX (MFE/KMFE), Etats-Unis d'Amérique
Aéroport de destination:Harlingen-Valley International Airport, TX (HRL/KHRL), Etats-Unis d'Amérique
Numéro de vol: 926
Détails:
Texas International Airlines Flight 926 sustained damage when it struck a tree and two power poles, 12,000 feet short of the runway threshold, during a predawn instrument approach to Harlingen Airport, Texas. After the aircraft struck the tree and power poles, the flightcrew executed a missed approach and proceeded to Houston Intercontinental Airport, Texas, where a safe landing was made. The aircraft sustained substantial damage as a result of striking the tree and poles. There were no injuries.
TXI Flight 926 was a regularly scheduled domestic passenger/cargo flight which originates at McAllen, Texas, and terminated at Dallas, Texas, with scheduled en route stops at Harlingen and Houston, Texas.
Reported weather conditions at Harlingen at the time the accident occurred were: sky partially obscured, visibility 1/2 mile in fog.

Probable Cause:

The Safety Board determines that the probable cause of this accident was the continuation of the descent, during actual instrument conditions, through the Minimal Descent Altitude and into ground obstructions as a result of inadequate flightcrew monitoring of the aircraft altimeters. A contributing factor was a lack of awareness by the flightcrew of the actual meteorological conditions, caused by crew fatigue, and company workload priorities which prevented normal air-to-ground communications and deferred the dissemination of essential meteorological information.

Accident investigation:
cover
Investigating agency: NTSB
Status: Investigation completed
Duration: 11 months
Accident number: NTSB AAR-70-28
Download report: Final report

Sources:
» NTSB AAR-70-28


Opérations de secours

NTSB issued 1 Safety Recommendation

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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 McAllen-Miller International Airport, TX et Harlingen-Valley International Airport, TX est de 58 km (36 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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