Crash of a Piper PA-31-310 Navajo on Mt Sabyinyo: 7 killed

Date & Time: Jul 28, 1973
Type of aircraft:
Registration:
9Q-CCC
Flight Phase:
Survivors:
No
Site:
Schedule:
Bukavu - Goma
Region:
Crew on board:
2
Crew fatalities:
Pax on board:
5
Pax fatalities:
Other fatalities:
Total fatalities:
7
Circumstances:
While cruising at an altitude of 7,000 feet in clouds, the twin engine airplane struck trees and crashed in flames in a wooded area located on the slope of Mt Sabyinyo (3,669 meters high), some 50 km northeast of Goma. The wreckage was found few hours later and all seven occupants have been killed, among them two children.
Probable cause:
Controlled flight into terrain.

Crash of a Learjet 24b in Wilhelmshaven: 4 killed

Date & Time: Jun 18, 1973
Type of aircraft:
Operator:
Registration:
D-IHLZ
Survivors:
No
MSN:
24-225
YOM:
1970
Country:
Region:
Crew on board:
2
Crew fatalities:
Pax on board:
2
Pax fatalities:
Other fatalities:
Total fatalities:
4
Circumstances:
On final approach to Wilhelmshaven-Mariensiel Airport, the crew was completing a last turn at an altitude of about 600 feet when the airplane struck tree tops located 600 meters short of runway threshold. The airplane lost height and crashed in flames 100 meters short of runway. The aircraft was destroyed by a post crash fire and all four occupants were killed.

Crash of a Beechcraft D18S in Timberon

Date & Time: Jun 16, 1973 at 0730 LT
Type of aircraft:
Registration:
N26Q
Flight Phase:
Survivors:
Yes
Schedule:
Timberon - El Paso
MSN:
A-953
YOM:
1953
Crew on board:
1
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Captain / Total flying hours:
2400
Captain / Total hours on type:
140.00
Circumstances:
The twin engine airplane did not liftoff, struck trees at the end of the runway and crashed in flames. The aircraft was destroyed and the pilot was slightly injured.
Probable cause:
The pilot delayed action in aborting takeoff and selected the wrong runway relative to existing wind. The following factors were reported:
- Downwind,
- High obstructions.
Final Report:

Crash of a Piper PA-31P Pressurized Navajo in Tampa: 1 killed

Date & Time: Jun 15, 1973 at 0517 LT
Type of aircraft:
Registration:
N6840L
Flight Phase:
Survivors:
No
Site:
Schedule:
Tampa - Coral Creek
MSN:
31P-44
YOM:
1971
Crew on board:
1
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
1
Captain / Total flying hours:
4620
Captain / Total hours on type:
790.00
Circumstances:
Shortly after takeoff from Tampa Airport, while climbing, the pilot informed ATC about the failure of the left engine and elected to return. The pilot attempted an emergency landing when the airplane slid on the ground and crashed into a building located near the airport. The aircraft was destroyed and the pilot was killed.
Probable cause:
Failure of the left engine during initial climb for undetermined reason. The following factors were reported:
- Ignition system: spark plug,
- Carbon deposit,
- Improper clearance, tolerance,
- Inadequate maintenance and inspection,
- Pilot declared emergency, crash landed and slid into building,
- Propeller feathered,
- Plugs fouled.
Final Report:

Crash of a Mitsubishi MU-2B Marquise near Guadalupe: 2 killed

Date & Time: Jun 13, 1973 at 2025 LT
Type of aircraft:
Registration:
N882Q
Flight Phase:
Survivors:
No
Schedule:
Midland - Long Beach
MSN:
168
YOM:
1969
Country:
Crew on board:
1
Crew fatalities:
Pax on board:
1
Pax fatalities:
Other fatalities:
Total fatalities:
2
Captain / Total flying hours:
3800
Captain / Total hours on type:
76.00
Circumstances:
While in cruising altitude by night, the twin engine airplane entered a dive and crashed in an isolated area located near Guadalupe, few miles from the Texas border. The aircraft was totally destroyed and both occupants were killed.
Probable cause:
The exact cause of the loss of control could not be determined.
Final Report:

Crash of a Cessna 411 in Minneapolis: 5 killed

Date & Time: May 25, 1973 at 1607 LT
Type of aircraft:
Operator:
Registration:
N4932T
Flight Phase:
Survivors:
No
Schedule:
Minneapolis - Gwinner
MSN:
411-0132
YOM:
1965
Crew on board:
1
Crew fatalities:
Pax on board:
4
Pax fatalities:
Other fatalities:
Total fatalities:
5
Captain / Total flying hours:
3450
Circumstances:
Shortly after takeoff from Minneapolis-Saint Paul Airport, while in initial climb, the left engine lost power. The pilot lost control of the airplane that crashed in flames near the airport. The aircraft was destroyed and all five occupants were killed.
Probable cause:
Engine malfunction during initial climb caused by an improper adjustment of the fuel injection system. The following factors were reported:
- Improper maintenance,
- The pilot failed to follow approved procedures,
- The pilot failed to maintain flying speed,
- Inadequate preflight preparation,
- Improper emergency procedures,
- The pilot failed to use all available runway,
- Partial loss of power on left engine because fuel mixt too rich,
- The pilot failed to feather the left propeller,
- Got below VMC,
- Near gross weight and aft CofG,
- The pilot took off from the intersection.
Final Report:

Crash of a Swearingen SA26AT Merlin IIB in Stuttgart: 5 killed

Date & Time: Apr 10, 1973 at 0915 LT
Type of aircraft:
Operator:
Registration:
D-ILSE
Survivors:
No
MSN:
T26-163E
YOM:
1969
Country:
Region:
Crew on board:
2
Crew fatalities:
Pax on board:
3
Pax fatalities:
Other fatalities:
Total fatalities:
5
Circumstances:
The crew started the approach to Stuttgart-Echterdingen in poor weather conditions. The visibility was very limited due to snow falls. On final, the twin engine airplane was too low, struck the ground and crashed in flames in an open field located few km short of runway. The aircraft was destroyed and all five occupants were killed.
Probable cause:
The crew descended below the MDA in IMC conditions.

Crash of a Piper PA-31-310 Navajo in Niles: 2 killed

Date & Time: Mar 31, 1973 at 2053 LT
Type of aircraft:
Registration:
N300X
Survivors:
No
Schedule:
Owensboro - Niles
MSN:
31-412
YOM:
1968
Crew on board:
1
Crew fatalities:
Pax on board:
1
Pax fatalities:
Other fatalities:
Total fatalities:
2
Captain / Total flying hours:
16770
Captain / Total hours on type:
376.00
Circumstances:
The pilot started the approach to Niles-Jerry Tyler by night and in poor weather conditions. On final, due a visibility limited to a half of mile, he decided to descend below the minimal descent altitude when the aircraft struck trees and crashed in flames. The aircraft was destroyed and both occupants were killed.
Probable cause:
Improper IFR operation on part of the pilot who took improper in-flight decisions. The following factors were reported:
- Low ceiling, rain, fog and thunderstorm activity,
- Visibility limites to half a mile,
- Descended below MDA in known thunderstorm conditions.
Final Report:

Crash of a Cessna 421A Golden Eagle I in La Storta: 7 killed

Date & Time: Mar 29, 1973 at 1415 LT
Type of aircraft:
Registration:
HB-LGP
Flight Phase:
Survivors:
No
Schedule:
Palermo - Rome - Milan
MSN:
421A-0094
YOM:
1968
Location:
Country:
Region:
Crew on board:
2
Crew fatalities:
Pax on board:
5
Pax fatalities:
Other fatalities:
Total fatalities:
7
Circumstances:
The twin engine airplane was completing a flight from Palermo to Milan with an intermediate stop in Rome for refueling. Four minutes after his departure from Rome-Urbe Airport, while climbing to an altitude of 1,500 meters, the crew informed ATC about technical problems. Control was lost and the airplane crashed in a huge explosion near several houses located in La Storta, about 12 km north of Rome-Urbe Airport. The aircraft was totally destroyed and all seven occupants were killed.

Crash of a De Havilland DHC-6 Twin Otter 100 in Savoy: 1 killed

Date & Time: Mar 26, 1973 at 0510 LT
Operator:
Registration:
N7705
Flight Phase:
Survivors:
No
Schedule:
Savoy - Chicago
MSN:
5
YOM:
1966
Crew on board:
1
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
1
Captain / Total flying hours:
2745
Captain / Total hours on type:
60.00
Circumstances:
After takeoff from Savoy-Willard Airport, while in initial climb, the airplane encountered difficulties to gain height, stalled and crashed in flames in an open field. The pilot, sole on board, was killed.
Probable cause:
Inadequate preflight preparation on part of the pilot who failed to realize that the gust locks were still engaged at takeoff. Unfavorable wind conditions was considered as a contributing factor.
Final Report: