Date & Time: Nov 21, 1973 at 1050 LT
Registration:
N2217Q
Flight Phase:
Flight
Flight Type:
Executive
Survivors:
No
Site:
Plain
Schedule:
Provo - Omaha
MSN:
421A-0017
YOM:
1967
Crew on board:
1
Crew fatalities:
1
Pax on board:
1
Pax fatalities:
1
Other fatalities:
0
Total fatalities:
2
Captain / Total flying hours:
18000
Captain / Total hours on type:
458
Circumstances:
While in cruising altitude, the pilot encountered problems with the left propeller and lost control of the airplane that dove into the ground and crashed in Roosevelt. The aircraft was destroyed and both occupants were killed.
Probable cause:
Powerplant failure caused by a propeller and accessories (governors) technical issue. The following factors were reported:
- Governors disconnected,
- Failed to maintain flying speed,
- Improper operation of flight controls,
- Physical impairment,
- Suspected mechanical discrepancy,
- Left governors lower spring seat/thrust bearing of pilot valve plunger loose,
- Possibility of hypoglycemic reaction.
Final Report:
N2217Q.pdf106.16 KB