Accident description
Last updated: 22 August 2014
Status:Final
Date:Sunday 16 May 1982
Time:10:15 ADT
Type:Silhouette image of generic DHC6 model; specific model in this crash may look slightly different
de Havilland Canada DHC-6 Twin Otter 200
Operating for:Wien Air Alaska
Leased from:Kodiak Aviation
Registration: N103AQ
C/n / msn: 183
First flight: 1968
Total airframe hrs:15267
Engines: 2 Pratt & Whitney Canada PT6A-20
Crew:Fatalities: 0 / Occupants: 2
Passengers:Fatalities: 0 / Occupants: 6
Total:Fatalities: 0 / Occupants: 8
Airplane damage: Destroyed
Airplane fate: Written off (damaged beyond repair)
Location:Hooper Bay, AK (   United States of America)
Phase: Approach (APR)
Nature:Domestic Non Scheduled Passenger
Departure airport:Scammon Bay SPB, AK (SCM), United States of America
Destination airport:Hooper Bay Airport, AK (HPB), United States of America
Flightnumber: 517
Narrative:
The Twin Otter crashed 1320 feet short of runway 13 onto hard-packed snow and ice.
The airplane was owned by Kodiak Aviation and leased to, and operated by, Gifford Aviation. Gifford Aviation, Inc., was operating the flight under contract to Wien Air Alaska.


PROBABLE CAUSE: "The flight crew's failure to compute and properly interpret the aircraft's weight and balance and their operation of the aircraft with the centre of gravity substantially aft of its authorized limit which resulted in loss of control of the aircraft during a landing attempt."

Classification:
Centre of Gravity outside limits
Loss of control

Sources:
» NTSB-AAR-82-16

Official accident investigation report
investigating agency: National Transport Safety Bureau (NTSB) - USA
report status: Final
report number: NTSB/AAR-82-16
report released:18-NOV-1982
duration of investigation:186 days (6.2 months)
download report: Gifford Aviation, Inc., DeHavilland DHC-6, N103A0, Hooper Bay, Alaska, May 16, 1982. (NTSB/AAR-82-16)
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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 Scammon Bay SPB, AK to Hooper Bay Airport, AK as the crow flies is 47 km (29 miles).

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