Détails:
Northeast Airlines Flight 792 originated at Boston, Massachusetts, for Berlin, New Hampshire, with stops at Concord and Laconia, New Hampshire.
Departure from Laconia was on schedule at 10:39. The IFR flight proceeded at a cruising altitude of 8000 feet towards Berlin.
At 11:03 the flight called the company station at the Berlin Airport and asked for local weather. The station agent immediately gave the 10:45 observation: Estimated 3,000 feet overcast; visibility 2-1/2 miles; light snow showers. The agent then made a special weather observation at 11:10 which added scattered clouds at 2,300 feet to the previous weather information. Airport minimums at Berlin were a 2,300 ft ceiling and 2 miles visibility. This information was acknowledged by the crew.
Meanwhile the flight was descending to get beneath the overcast for a straight-in approach. The captain was able to recognize visual references on the ground until the moment the flight entered overcast. The airplane impacted the snow-covered southern slope of Mount Success, 100 feet below the top, at an elevation of
3,440 feet.
PROBABLE CAUSE: "A pre-mature and unauthorized instrument descent to an altitude that did not permit terrain clearance.."
| Statuts: | Accident investigation report completed and information captured |
| Date: | mardi 30 novembre 1954 |
| Heure: | 11:15 |
| Type/Sous-type: |  Douglas DC-3A |
| Compagnie: | Northeast Airlines |
| Immatriculation: | N17891 |
| Numéro de série: | 11745 |
| Année de Fabrication: | 1943 |
| Heures de vol: | 26000 |
| Equipage: | victimes: 2 / à bord: 4 |
| Passagers: | victimes: 0 / à bord: 3 |
| Total: | victimes: 2 / à bord: 7 |
| Dégats de l'appareil: | Perte Totale |
| Conséquences: | Written off (damaged beyond repair) |
| Lieu de l'accident: | 21 km (13.1 milles) SE of Berlin Airport, NH (BML) ( Etats-Unis d'Amérique)
|
| Phase de vol: | En approche (APR) |
| Nature: | Transport de Passagers Nat. |
| Aéroport de départ: | Laconia Municipal Airport, NH (LCI/KLCI), Etats-Unis d'Amérique |
| Berlin Airport, NH (BML/KBML), Etats-Unis d'Amérique | |
| Numéro de vol: | 792 |
Northeast Airlines Flight 792 originated at Boston, Massachusetts, for Berlin, New Hampshire, with stops at Concord and Laconia, New Hampshire.
Departure from Laconia was on schedule at 10:39. The IFR flight proceeded at a cruising altitude of 8000 feet towards Berlin.
At 11:03 the flight called the company station at the Berlin Airport and asked for local weather. The station agent immediately gave the 10:45 observation: Estimated 3,000 feet overcast; visibility 2-1/2 miles; light snow showers. The agent then made a special weather observation at 11:10 which added scattered clouds at 2,300 feet to the previous weather information. Airport minimums at Berlin were a 2,300 ft ceiling and 2 miles visibility. This information was acknowledged by the crew.
Meanwhile the flight was descending to get beneath the overcast for a straight-in approach. The captain was able to recognize visual references on the ground until the moment the flight entered overcast. The airplane impacted the snow-covered southern slope of Mount Success, 100 feet below the top, at an elevation of
3,440 feet.
Probable Cause:
PROBABLE CAUSE: "A pre-mature and unauthorized instrument descent to an altitude that did not permit terrain clearance.."
Accident investigation:
 |
|
Sources:
» ICAO Accident Digest, Circular 47-AN/42 (180-184)Photos
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 Laconia Municipal Airport, NH et Berlin Airport, NH est de 112 km (70 miles).
La distance entre Laconia Municipal Airport, NH et Berlin Airport, NH est de 112 km (70 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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