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Accident description
Last updated: 17 October 2017
Status:Final
Date:Saturday 30 August 1975
Time:13:57
Type:Silhouette image of generic F27 model; specific model in this crash may look slightly different
Fairchild F-27B
Operator:Wien Air Alaska
Registration: N4904
C/n / msn: 21
First flight: 1958
Total airframe hrs:2397
Engines: 2 Rolls-Royce Dart 514-7
Crew:Fatalities: 3 / Occupants: 4
Passengers:Fatalities: 7 / Occupants: 28
Total:Fatalities: 10 / Occupants: 32
Airplane damage: Damaged beyond repair
Location:1 km (0.6 mls) E of Gambell Airport, AK (GAM) (   United States of America)
Phase: Approach (APR)
Nature:Domestic Scheduled Passenger
Departure airport:Nome Airport, AK (OME/PAOM), United States of America
Destination airport:Gambell Airport, AK (GAM/PAGM), United States of America
Flightnumber: 99
Narrative:
Flight 99 crashed into a mountain and overturned while attempting to land at Gambell runway 15. A fire started in the left engine but spread only slowly to the passenger cabin.
Weather was poor with low ceilings and a visibility of 400 m at some places.

Probable Cause:

PROBABLE CAUSE: "The flight crew's failure to adhere to prescribed company instrument approach procedures while attempting to land in adverse weather conditions."

Accident investigation:
cover
Investigating agency: NTSB
Status: Investigation completed
Duration: 130 days (4 months)
Accident number: NTSB/AAR-76-01
Download report: Final report

Classification:
Controlled Flight Into Terrain (CFIT) - Mountain

Sources:
» Aviation News 03 October 1975
» Flight International 17.04.76 (998)


Follow-up / safety actions

NTSB issued 2 Safety Recommendations

Show all AD's and Safety Recommendations

Photos

photo of Fairchild F-27B N4904
Flight track
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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 Nome Airport, AK to Gambell Airport, AK as the crow flies is 313 km (196 miles).
Accident location: Approximate; accuracy within a few kilometers.

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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