Crash of a Learjet 23 in Flint: 2 killed

Date & Time: Jan 6, 1977 at 1912 LT
Type of aircraft:
Operator:
Registration:
N332PC
Flight Type:
Survivors:
No
Schedule:
Detroit - Flint
MSN:
23-056
YOM:
1965
Crew on board:
2
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
2
Captain / Total flying hours:
18320
Captain / Total hours on type:
1648.00
Circumstances:
The approach to Flint-Bishop Airport runway 27 was completed in poor weather conditions with limited visibility due to snow falls. On final, the airplane stalled then rolled to the right to an angle of 45° and crashed in flames. The aircraft was destroyed and both pilots were killed. They were completing a cargo flight from Detroit-Willow Run (Ypsilanti) Airport.
Probable cause:
Stall on final approach after the crew failed to maintain flying speed. The following contributing factors were reported:
- Failed to initiate go-around,
- Improper operation of flight controls,
- ATC issued improper or conflicting instructions,
- Lack of familiarity with aircraft,
- Poorly planned approach,
- Pilot had limited recent jet experience,
- Vectored and cleared for ILS back course 3NM southeast of middle marker.
Final Report:

Crash of a Learjet 24B near Palm Springs: 4 killed

Date & Time: Jan 6, 1977 at 1700 LT
Type of aircraft:
Operator:
Registration:
N12MK
Flight Phase:
Survivors:
No
Site:
Schedule:
Palm Springs - Las Vegas
MSN:
24-192
YOM:
1969
Crew on board:
2
Crew fatalities:
Pax on board:
2
Pax fatalities:
Other fatalities:
Total fatalities:
4
Captain / Total flying hours:
4150
Captain / Total hours on type:
532.00
Circumstances:
Shortly after takeoff from Palm Springs Airport, while climbing by night at an altitude of 9,700 feet, the airplane struck a mountain located in the San Gorgonio Wilderness of the San Bernardino Mountains, about 22 miles northwest of Palm Springs. Due to very poor weather conditions, rescuers were able to reach the crash site three days later only. The aircraft struck the ground at a speed of 325 knots and disintegrated on impact. All four occupants were killed.
Crew:
Donald J. Weier,
Jerald Wayne Foley.
Passengers:
Dolly Sinatra, Frank Sinatra's mother,
Ann Carbone.
Probable cause:
Controlled flight into terrain during climb to cruise after the crew misunderstood ATC instructions. The following contributing factors were reported:
- Lack of visibility,
- High obstructions,
- Crew misinterpreted IFR clearance and ATC instructions,
- ATC failed to detect deviation from route.
Final Report: