Crash of a Beechcraft E18S in Sioux City: 2 killed

Date & Time: May 19, 1970 at 1103 LT
Type of aircraft:
Operator:
Registration:
N139K
Flight Phase:
Flight Type:
Survivors:
No
Schedule:
Atlanta - North Sioux City - Willmar
MSN:
BA-188
YOM:
1956
Location:
Crew on board:
2
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
2
Captain / Total flying hours:
3075
Captain / Total hours on type:
525.00
Circumstances:
Few minutes after takeoff from North Sioux City-Graham Field, South Dakota, while climbing, the crew encountered technical difficulties and feathered the left propeller. Shortly later, control was lost and the airplane crashed in flames in an open field located near Sioux City. The aircraft was destroyed and both pilots were killed.
Probable cause:
Uncontrolled descent following an in-flight fire for undetermined reason. The following findings were reported:
- Left propeller found feathered for unknown reason,
- Investigations showed no engine malfunction.
Final Report: