Accident
Last updated: 26 November 2014
Statuts:Enquête Officielle
Date:dimanche 21 février 1982
Heure:15:33
Type/Sous-type:Silhouette image of generic DHC6 model; specific model in this crash may look slightly different
de Havilland Canada DHC-6 Twin Otter 300
Compagnie:Pilgrim Airlines
Immatriculation: N127PM
Numéro de série: 105
Année de Fabrication: 1968
Heures de vol:27015
Moteurs: 2 Pratt & Whitney Canada PT6A-27
Equipage:victimes: 0 / à bord: 2
Passagers:victimes: 1 / à bord: 10
Total:victimes: 1 / à bord: 12
Dégats de l'appareil: Détruit
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:Scituate Reservoir, RI (   Etats-Unis d'Amérique)
Phase de vol: En vol (ENR)
Nature:Transport de Passagers Nat.
Aéroport de départ:Groton-New London Airport, CT (GON), Etats-Unis d'Amérique
Aéroport de destination:Boston-Logan International Airport, MA (BOS/KBOS), Etats-Unis d'Amérique
Numéro de vol: 458
Détails:
At 4000 feet light icing on the windshield was noted, and the de-icing system was activated. After two cycles of de-icing, alcohol was smelled in the cockpit, and smoke was coming up from the control yoke. An emergency landing was attempted at Providence, RI but smoke and flames forced the crew to land on 10-12 inch thick ice on a reservoir. By then, heavy black smoke poured in the cockpit and fire was seen. Upon landing, the left main gear collapsed and the right wing was sheared off.

PROBABLE CAUSE: "The deficient design of the isopropyl alcohol windshield washer/de-icer system and the inadequate maintenance of the system which resulted in an in-flight fire. The ignition source of the fire was not determined."

Sources:
» NTSB-AAR-82-07

Official accident investigation report
investigating agency: National Transport Safety Bureau (NTSB) - United States of America
report status: Final
report number: NTSB/AAR-82-07
download report: Pilgrim Airlines Flight 458, DeHavilland DHC-6-100, N127PM, near Providence, Rhode Island, February 21, 1982. (NTSB/AAR-82-07)

Opérations de secours

NTSB issued 6 Safety Recommendations

Show all AD's and Safety Recommendations

Photos

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Plan
Ce plan montre l'aéroport de départ ainsi que la supposé destination du vol. La ligne fixe reliant les deux aéroports n'est pas le plan de vol exact.
La distance entre Groton-New London Airport, CT et Boston-Logan International Airport, MA est de 143 km (89 miles).

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