Narrative:
Lifted off prematurely during takeoff. The aircraft stalled and crashed. Pilot fatigue was a factor.
PROBABLE CAUSE:
pilot in command - premature lift-off
pilot in command - failed to obtain/maintain flying speed
pilot in command - physical impairment
miscellaneous acts, conditions - pilot fatigue
miscellaneous acts, conditions - improperly loaded aircraft-weight-and/or c.g.
FACTOR(S)
weather - icing conditions-includes sleet, freezing rain,etc.
weather - obstructions to vision
weather briefing - briefed by flight service personnel, by phone
weather forecast - forecast substantially correct
Loss of control
| Status: | Accident investigation report completed and information captured |
| Date: | Tuesday 16 December 1969 |
| Time: | 06:10 |
| Type: |  Rockwell 1121B Jet Commander |
| Operator: | American Smelting and Refining Co. |
| Registration: | N403M |
| MSN: | 132 |
| First flight: | 1968 |
| Crew: | Fatalities: 2 / Occupants: 2 |
| Passengers: | Fatalities: 0 / Occupants: 0 |
| Total: | Fatalities: 2 / Occupants: 2 |
| Aircraft damage: | Damaged beyond repair |
| Location: | Salt Lake City International Airport, UT (SLC) ( United States of America)
|
| Phase: | Initial climb (ICL) |
| Nature: | Executive |
| Departure airport: | Salt Lake City International Airport, UT (SLC/KSLC), United States of America |
| Seattle/Tacoma International Airport, WA (SEA/KSEA), United States of America |
Lifted off prematurely during takeoff. The aircraft stalled and crashed. Pilot fatigue was a factor.
Probable Cause:
PROBABLE CAUSE:
pilot in command - premature lift-off
pilot in command - failed to obtain/maintain flying speed
pilot in command - physical impairment
miscellaneous acts, conditions - pilot fatigue
miscellaneous acts, conditions - improperly loaded aircraft-weight-and/or c.g.
FACTOR(S)
weather - icing conditions-includes sleet, freezing rain,etc.
weather - obstructions to vision
weather briefing - briefed by flight service personnel, by phone
weather forecast - forecast substantially correct
Classification:
Insufficient rest / fatigueLoss of control
Sources:
» NTSBPhotos
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 Salt Lake City International Airport, UT to Seattle/Tacoma International Airport, WA as the crow flies is 1099 km (687 miles).
Accident location: Approximate; accuracy within a few kilometers.
Distance from Salt Lake City International Airport, UT to Seattle/Tacoma International Airport, WA as the crow flies is 1099 km (687 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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