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Statuts:Enquête Officielle
Date:jeudi 31 octobre 1996
Heure:03:30 AST
Type/Sous-type:Silhouette image of generic DC3 model; specific model in this crash may look slightly different
Douglas DC-3C
Compagnie:Flamenco Airways
Immatriculation: N37AP
Numéro de série: 4430
Année de Fabrication: 1942
Heures de vol:16179
Moteurs: 2 Pratt & Whitney R-1830-92
Equipage:victimes: 0 / à bord: 3
Passagers:victimes: 0 / à bord: 0
Total:victimes: 0 / à bord: 3
Dégats de l'appareil: Substantiels
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:3 km (1.9 milles) de San Juan-Isla Grande (   Porto Rico)
Phase de vol: En vol (ENR)
Nature:Cargo
Aéroport de départ:San Juan-Isla Grande Airport (SIG/TJIG), Porto Rico
Aéroport de destination:San Juan-Luis Muñoz Marín International Airport (SJU/TJSJ), Porto Rico
Détails:
The nr2 engine began backfiring while climbing through 1000 feet following a runway 09 takeoff. An unsuccessful attempt was made to feather the right propeller, while attempting to position the airplane for a landing at the origin airport. The copilot reported that the airplane arrived at a position that was abeam the approach threshold for runway 09, at 500 feet above the ground, with an airspeed of about 95-100 knots. The airplane was turned south toward the departure runway. A decision was then made to divert to the international airport. According to the copilot, the throttle was placed in the maximum power position without increasing the propeller control. The airplane then turned right, back to a westerly heading, and subsequently crashed beside a canal about three miles west of the departure runway

Probable Cause:

PROBABLE CAUSE: "Failure of the #11 cylinder on the right (#2) engine, which resulted in an in-flight fire and loss of power in that engine; and a malfunction/failure of the #2 feathering system, which led to a subsequent forced landing before the flight crew could return to the airport. A factor related to the accident was failure of the flight crew to increase the left (#1) engine rpm (in accordance with emergency procedures) after loss of power in the #2 engine.
Full narrative available."

Accident investigation:
cover
Investigating agency: NTSB
Status: Investigation completed
Duration: 11 months
Accident number: ATL97LA012
Download report: Summary report
Language: English

Sources:
» NTSB ATL97LA012
» Scramble 212


Photos

photo of Douglas-DC-3C-N37AP
accident date: 31-10-1996
type: Douglas DC-3C
registration: N37AP
 

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 San Juan-Isla Grande Airport et San Juan-Luis Muñoz Marín International Airport est de 10 km (6 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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