Narrative:At least two attempts to land had failed as the aircraft approached too high in minimum ceiling conditions. The pilot tried to maneuver the aircraft to another runway at a low altitude. The wing struck the ground and the DC-4 skidded for 700 feet. The aircraft was named "Mainliner Lake Michigan".
|Date:||Tuesday 8 October 1946|
|Operator:||United Air Lines|
|C/n / msn:|| 10471|
|First flight:|| 1944|
|Total airframe hrs:||3077|
|Engines:|| 4 Pratt & Whitney R-2000-11|
|Crew:||Fatalities: 0 / Occupants: 4|
|Passengers:||Fatalities: 2 / Occupants: 37|
|Total:||Fatalities: 2 / Occupants: 41 |
|Airplane damage:|| Damaged beyond repair|
|Location:||1,5 km (0.9 mls) from Cheyenne, WY ( United States of America)
|Phase:|| Approach (APR)|
|Nature:||Domestic Scheduled Passenger|
|Departure airport:||San Francisco Municipal Airport, CA (SFO/KSFO), United States of America|
|Destination airport:||Cheyenne Airport, WY (CYS/KCYS), United States of America|
PROBABLE CAUSE: "The Board determines that the probable cause of this accident was a loss of altitude during a turn preparatory to a final approach while the pilot was manoeuvring in an attempt to land."
» CAB File No. 4048-46
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 San Francisco Municipal Airport, CA to Cheyenne Airport, WY as the crow flies is 1546 km (966 miles).