Narrative:
Lost control on takeoff in icing conditions with flaps at 28 degrees and full nose up trim; damaged beyond repair.
PROBABLE CAUSE(S):
pilot in command - inadequate preflight preparation and/or planning
pilot in command - misused or failed to use flaps
miscellaneous acts,conditions - airframe ice
miscellaneous acts,conditions - incorrect trim setting
factor(s)
weather - snow
weather briefing - briefed by flight service personnel, by phone
weather forecast - forecast substantially correct
Icing
Loss of control
| Status: | Accident investigation report completed and information captured |
| Date: | Wednesday 20 December 1978 |
| Time: | 08:02 |
| Type: |  Learjet 25 |
| Operator: | Flight Training Center |
| Registration: | N40SN |
| MSN: | 25-021 |
| First flight: | 1969 |
| Crew: | Fatalities: 0 / Occupants: 2 |
| Passengers: | Fatalities: 0 / Occupants: 5 |
| Total: | Fatalities: 0 / Occupants: 7 |
| Aircraft damage: | Damaged beyond repair |
| Location: | Minneapolis-St. Paul International Airport, MN (MSP) ( United States of America)
|
| Phase: | Initial climb (ICL) |
| Nature: | Unknown |
| Departure airport: | Minneapolis-St. Paul International Airport, MN (MSP/KMSP), United States of America |
| Evansville-Dress Regional Airport, IN (EVV/KEVV), United States of America |
Lost control on takeoff in icing conditions with flaps at 28 degrees and full nose up trim; damaged beyond repair.
Probable Cause:
PROBABLE CAUSE(S):
pilot in command - inadequate preflight preparation and/or planning
pilot in command - misused or failed to use flaps
miscellaneous acts,conditions - airframe ice
miscellaneous acts,conditions - incorrect trim setting
factor(s)
weather - snow
weather briefing - briefed by flight service personnel, by phone
weather forecast - forecast substantially correct
Classification:
Wrong takeoff configuration (flaps/trim)Icing
Loss 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 Minneapolis-St. Paul International Airport, MN to Evansville-Dress Regional Airport, IN as the crow flies is 890 km (556 miles).
Distance from Minneapolis-St. Paul International Airport, MN to Evansville-Dress Regional Airport, IN as the crow flies is 890 km (556 miles).
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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