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Accident
Last updated: 17 October 2017
Status:Schlussbericht
Datum:Sonntag 21 Februar 1982
Zeit:15:33
Flugzeugtyp:Silhouette image of generic DHC6 model; specific model in this crash may look slightly different
de Havilland Canada DHC-6 Twin Otter 100
Fluggesellschaft:Pilgrim Airlines
Kennzeichen: N127PM
Werknummer: 105
Baujahr: 1968
Betriebsstunden:27015
Triebwerk: 2 Pratt & Whitney Canada PT6A-27
Besatzung:Todesopfer: 0 / Insassen: 2
Fluggäste:Todesopfer: 1 / Insassen: 10
Gesamt:Todesopfer: 1 / Insassen: 12
Sachschaden: Zerstört
Konsequenzen: Written off (damaged beyond repair)
Unfallort:Scituate Reservoir, RI (   USA)
Flugphase: Während des Fluges (ENR)
Betriebsart:Inländischer planmäßiger Passagierflug
Flug von:Groton-New London Airport, CT (GON/KGON), USA
Flug nach:Boston-Logan International Airport, MA (BOS/KBOS), USA
Flugnummer: 458
Unfallbericht:
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:

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."

Accident investigation:
cover
Investigating agency: NTSB
Status: Investigation completed
Accident number: NTSB/AAR-82-07
Download report: Final report

Informationsquelle:
» NTSB-AAR-82-07


Sicherheitsempfehlungen

NTSB issued 6 Safety Recommendations

Show all AD's and Safety Recommendations

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Map
This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Groton-New London Airport, CT to Boston-Logan International Airport, MA as the crow flies is 143 km (89 miles).

This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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