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Last updated: 22 January 2022
Status:Definitief
Datum:zaterdag 12 april 1997
Tijd:22:04 HST
Type:Silhouette image of generic DHC6 model; specific model in this crash may look slightly different
de Havilland Canada DHC-6 Twin Otter 300
Luchtvaartmaatschappij:Corporate Air
Registratie: N242CA
Constructienummer: 342
Bouwjaar: 1972
Motoren: 2 Pratt & Whitney Canada PT6A-27
Bemanning:slachtoffers: 0 / inzittenden: 1
Passagiers:slachtoffers: 0 / inzittenden: 0
Totaal:slachtoffers: 0 / inzittenden: 1
Schade: Afgeschreven
Gevolgen: Written off (damaged beyond repair)
Plaats:117 km (73.1 mijl) NE van Hilo, HI, USA (   Grote Oceaan)
Fase: Kruisvlucht (ENR)
Soort vlucht:Ferry
Vliegveld van vertrek:Oakland International Airport, CA (OAK/KOAK), Verenigde Staten
Vliegveld van aankomst:Honolulu International Airport, HI (HNL/PHNL), Verenigde Staten
Beschrijving:
The Twin Otter aircraft departed Oakland at 10:50 PST for a ferry flight to Honolulu. For this flight the aircraft had been equipped with four ferry fuel tanks in addition to the normal forward and aft internal aircraft tanks. The pilot stated that at 18:00 PST (7 hours and 10 minutes into the flight), the estimated time to fuel depletion was found to be 8 hours and 40 minutes, with a time to go to destination of 7 hours and 40 minutes. Three hours later, the pilot determined that he was fuel critical due to unforecast headwinds. He declared a low fuel emergency and changed his intended destination to Hilo, HI. He also requested Coast Guard assistance at that time. Approximately 4 hours later, the pilot elected to ditch under power rather than remain airborne until fuel depletion.

Probable Cause:

PROBABLE CAUSE: "The pilot's inadequate en route fuel consumption calculations, which led to his failure to recognize a deteriorating fuel duration versus time-to-go situation in a more timely way"

Bronnen:
» NTSB Identification: LAX97LA157
» Scramble 216


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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 Oakland International Airport, CA en Honolulu International Airport, HI bedraagt 3848 km (2405 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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