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Last updated: 20 October 2021
Date:vendredi 12 avril 1957
Type/Sous-type:Silhouette image of generic P2 model; specific model in this crash may look slightly different
Lockheed P2V-5 Neptune
Compagnie:United States Navy
Immatriculation: 131452
Numéro de série: 426-5333
Année de Fabrication:
Equipage:victimes: 6 / à bord: 6
Passagers:victimes: 0 / à bord: 0
Total:victimes: 6 / à bord: 6
Dégats de l'appareil: Détruit
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:Brunswick NAS, ME (NHZ) (   Etats-Unis d'Amérique)
Phase de vol: Au décollage (TOF)
Aéroport de départ:Brunswick NAS, ME (NHZ/KNHZ), Etats-Unis d'Amérique
Aéroport de destination:Brunswick NAS, ME (NHZ/KNHZ), Etats-Unis d'Amérique
The Lockheed P2V-5 Neptune was engaged in a training flight at Brunswick NAS, Maine, USA. After two full stop landings, the aircraft was cleared for a touch-and-go. The approach for landing was slightly nose high. In the landing roll, the nose wheel never touched the runway. The aircraft left the runway in a slightly nose high attitude until about 50-100 feet was obtained.
The aircraft continued climbing at an ever steepening angle to about 1300 feet, at which point, it was near vertical, nose up. The nose fell through with a rapid loss of altitude and change of heading. At about 200 feet and 200 yards from point of impact, the wings were leveled momentarily and a slight nose up recovery observed. Almost immediately, the port wing and the nose dropped again and the aircraft struck the ground and trees in a 70 degree bank, 45 degrees nose down. Fire consumed the aircraft.
Investigators concluded that a malfunction of some portion of the electrical units of the varicam system was the primary cause of the accident and that positive recovery procedure was not initiated soon enough to prevent the stall and ultimate crash. The varicam tail was found 9-1/2 degrees nose up.

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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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