ASN Aircraft accident Canadair CL-44D4-2 N446T Anchorage International Airport, AK (ANC)
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Status:Accident investigation report completed and information captured
Date:Thursday 1 May 1969
Time:08:11
Type:Silhouette image of generic CL44 model; specific model in this crash may look slightly different
Canadair CL-44D4-2
Operator:Mobil Oil
Registration: N446T
MSN: 15
First flight: 1962-01-24 (7 years 3 months)
Engines: 4 Rolls-Royce Tyne 515
Crew:Fatalities: 0 / Occupants: 3
Passengers:Fatalities: 0 / Occupants: 1
Total:Fatalities: 0 / Occupants: 4
Aircraft damage: Damaged beyond repair
Location:Anchorage International Airport, AK (ANC) (   United States of America)
Phase: Landing (LDG)
Nature:Cargo
Departure airport:West Kuparuk, AK (XPU), United States of America
Destination airport:Anchorage International Airport, AK (ANC/PANC), United States of America
Flightnumber: 109
Narrative:
The Canadair CL-44 transport plane was engaged in transporting 27 250-gallon fuel tanks to an oil-drilling site at West Kuparuk, Alaska. On the return leg to Anchorage, Alaska, the flight was cleared to land on runway 06L. Upon touchdown the right hand undercarriage beam bogie snapped. The right wing and no. 3 and 4 engines struck the runway. The plane swerved to the right onto the grass, during which the right wing broke off. A fire had erupted but all four occupants managed to escape.
It appeared that the co-pilot, who was conducting the landing, didn't level off correctly and supervision by the captain was inadequate.

Probable Cause:

PROBABLE CAUSE:
copilot - improper level off
pilot in command - inadequate supervision of flight
FACTORS:
miscellaneous acts,conditions - pilot fatigue
miscellaneous acts,conditions - seat belt not fastened
miscellaneous acts,conditions - overload failure

Classification:
Insufficient rest / fatigue
Heavy landing
Runway mishap

Sources:
» Runway / by John Godson, 1973
» NTSB


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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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