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Accident
Last updated: 23 October 2017
Status:Definitief
Datum:zondag 21 februari 1982
Tijd:15:33
Type:Silhouette image of generic DHC6 model; specific model in this crash may look slightly different
de Havilland Canada DHC-6 Twin Otter 100
Luchtvaartmaatschappij:Pilgrim Airlines
Registratie: N127PM
Constructienummer: 105
Bouwjaar: 1968
Aantal vlieguren:27015
Motoren: 2 Pratt & Whitney Canada PT6A-27
Bemanning:slachtoffers: 0 / inzittenden: 2
Passagiers:slachtoffers: 1 / inzittenden: 10
Totaal:slachtoffers: 1 / inzittenden: 12
Schade: Vernield
Gevolgen: Written off (damaged beyond repair)
Plaats:Scituate Reservoir, RI (   Verenigde Staten)
Fase: Kruisvlucht (ENR)
Soort vlucht:Binnenlandse lijnvlucht
Vliegveld van vertrek:Groton-New London Airport, CT (GON/KGON), Verenigde Staten
Vliegveld van aankomst:Boston-Logan International Airport, MA (BOS/KBOS), Verenigde Staten
Vluchtnummer: 458
Beschrijving:
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

Bronnen:
» NTSB-AAR-82-07


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NTSB issued 6 Safety Recommendations

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Kaart
Deze kaart geeft het vliegveld van vetrek weer en de geplande bestemming van de vlucht. De lijn tussen de vliegvelden geeft niet de exacte vliegroute weer.
De afstand tussen Groton-New London Airport, CT en Boston-Logan International Airport, MA bedraagt 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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