ASN Aircraft accident Cessna 208 Caravan I N9530F Dillingham Municipal Airport, AK (DLG)
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Status:Accident investigation report completed and information captured
Date:Wednesday 10 October 2001
Type:Silhouette image of generic C208 model; specific model in this crash may look slightly different
Cessna 208 Caravan I
Operator:PenAir - Peninsula Airways
Registration: N9530F
MSN: 20800088
First flight: 1986
Total airframe hrs:10080
Engines: 1 Pratt & Whitney Canada PT6A-114
Crew:Fatalities: 1 / Occupants: 1
Passengers:Fatalities: 9 / Occupants: 9
Total:Fatalities: 10 / Occupants: 10
Aircraft damage: Destroyed
Aircraft fate: Written off (damaged beyond repair)
Location:Dillingham Municipal Airport, AK (DLG) (   United States of America)
Crash site elevation: 26 m (85 feet) amsl
Phase: Initial climb (ICL)
Nature:Domestic Scheduled Passenger
Departure airport:Dillingham Municipal Airport, AK (DLG/PADL), United States of America
Destination airport:King Salmon Airport, AK (AKN/PAKN), United States of America
Flightnumber: 350
On the night of October 10 the first major winter weather of the season passed through the Dillingham area. Temperatures dropped steadily to about -4deg C. Caravan N9530F had been parked outside and was subjected to rain, snow, causing ice accumulation. Because of these conditions, ramp personnel de-iced the airplane with a heated mixture of glycol and water. The flight departed and climbed to about 650 feet (200 m) msl when the airplane suddenly pitched up, rolled 90 degrees to the left, and yawed to the left. The airplane then descended nose-down until crashing in a level attitude and a flight path angle of about 40 degrees down.

Probable Cause:

PROBABLE CAUSE: "An in-flight loss of control resulting from upper surface ice contamination that the pilot-in-command failed to detect during his preflight inspection of the airplane. Contributing to the accident was the lack of a preflight inspection requirement for CE-208 pilots to examine at close range the upper surface of the wing for ice contamination when ground icing conditions exist."

Accident investigation:

Investigating agency: NTSB
Status: Investigation completed
Duration: 1 year and 4 months
Accident number: DCA02MA003
Download report: Summary report

Loss of control



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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 Dillingham Municipal Airport, AK to King Salmon Airport, AK as the crow flies is 113 km (71 miles).
Accident location: Exact; as reported in the official accident report.

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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