Crash of a Douglas C-47-DL near Prudhoe Bay

Date & Time: May 21, 1970 at 0040 LT
Operator:
Registration:
N75430
Flight Phase:
Survivors:
Yes
Schedule:
Pingo – Fairbanks
MSN:
4490
YOM:
1942
Crew on board:
2
Crew fatalities:
Pax on board:
1
Pax fatalities:
Other fatalities:
Total fatalities:
0
Captain / Total flying hours:
8430
Captain / Total hours on type:
220.00
Circumstances:
En route to Fairbanks, while in cruising altitude, the crew encountered engine problems and was unable to maintain de prescribed altitude. He decided to perform an emergency landing in a snow covered ground when the airplane crash landed, slid for dozen yards and came to rest, broken in two. All three occupants were uninjured.
Probable cause:
Engine failure in flight caused by the combination of the following factors:
- Inadequate preflight preparation,
- Improper operation of powerplant & powerplant controls,
- Oil exhaustion, engine lubrication system,
- Improper/inadequate venting,
- Improper emergency procedures,
- Lack of familiarity with aircraft,
- Initiated flight into adverse weather conditions,
- Low ceiling,
- Fog,
- Conditions conducive to carburetor icing,
- Complete engine failure on one engine,
- Idled engines too long prior to takeoff, condensation froze,
- Plugged lower breather pipe, oil went out top pipe.
Final Report:

Crash of a Douglas C-47A-85-DL in Oncativo

Date & Time: May 10, 1970
Operator:
Registration:
T-17
Flight Phase:
Flight Type:
Survivors:
Yes
Schedule:
Oncativo - Oncativo
MSN:
20093
YOM:
1944
Country:
Crew on board:
2
Crew fatalities:
Pax on board:
14
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
The crew was taking part to an airshow in Oncativo. While taking off from an open field, the left wing dropped and struck the ground. The aircraft stalled and crashed 40 meters further, losing its left engine. All 16 occupants were uninjured while the aircraft was damaged beyond repair.

Crash of a Douglas C-47A-20-DK in Tuy Hòa

Date & Time: Apr 25, 1970
Operator:
Registration:
B-308
Survivors:
Yes
MSN:
12790
YOM:
1944
Country:
Region:
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
After landing on runway 03 at Tuy Hòa Airport, the airplane was unable to stop within the remaining distance, overran and came to rest into the sea. There were no casualties.

Crash of a Douglas EC-47P near Huế: 2 killed

Date & Time: Apr 22, 1970
Operator:
Registration:
43-48402
Flight Phase:
Survivors:
Yes
MSN:
14218/25663
YOM:
1944
Country:
Region:
Crew on board:
3
Crew fatalities:
Pax on board:
6
Pax fatalities:
Other fatalities:
Total fatalities:
2
Circumstances:
While in a mission in the A Shau Valley at an altitude of 5,500 feet, the aircraft was hit by enemy fire. An engine was losing oil and the crew decided to return to Huế Airport. Unable to maintain the minimum prescribed altitude, the captain elected to make an emergency landing when the airplane crashed 32 km southwest of Huế. The captain and the flight engineer were killed while seven other occupants were injured.
Those killed were:
1st Lt George M. Wall,
S/Sgt Michael R. Conner.
Probable cause:
Shot down by enemy fire.

Crash of a Douglas C-47B-20-DK in Ahwaz

Date & Time: Apr 13, 1970
Registration:
EP-AGZ
Flight Phase:
Survivors:
Yes
MSN:
15423/26868
YOM:
1944
Location:
Country:
Region:
Crew on board:
2
Crew fatalities:
Pax on board:
23
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
After a takeoff roll of 450 meters, the pilot-in-command started the rotation. At liftoff, the airplane banked left, causing the left wing to struck the ground. Out of control, the airplane cartwheeled and crashed in flames. All 25 occupants escaped uninjured while the aircraft was destroyed.
Probable cause:
It was determined that the crew failed to follow pre take-off check-list and that the aircraft was not configured for departure.

Crash of a Douglas C-47A-75-DL in Melchor Ocampo: 2 killed

Date & Time: Mar 21, 1970
Registration:
N163J
Flight Phase:
Flight Type:
Survivors:
No
Schedule:
Laredo - Fresnillo
MSN:
19402
YOM:
1944
Country:
Crew on board:
2
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
2
Circumstances:
The aircraft was completing a cargo flight from Laredo to Fresnillo, carrying a load of bottle of mercury. En route, the airplane went out of control and crashed in unknown circumstances near Melchor Ocampo. Both pilots were killed. According to the Mexican Authorities, the flight was illegal.
Final Report:

Crash of a Douglas C-47A-DK in Taipei: 2 killed

Date & Time: Feb 20, 1970
Operator:
Registration:
B-243
Flight Phase:
Flight Type:
Survivors:
No
Site:
MSN:
11832
YOM:
1943
Country:
Region:
Crew on board:
2
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
2
Circumstances:
Shortly after takeoff from runway 10 at Taipei-Songshan Airport, while climbing, the crew initiated a turn to heading 240 when the airplane struck a hill (374 meters high) located near the airport. The aircraft disintegrated on impact and both crew members were killed.

Crash of a Douglas Douglas C-47A-50-DL in Congo: 17 killed

Date & Time: Feb 19, 1970
Operator:
Registration:
9Q-CUD
Flight Phase:
Survivors:
No
MSN:
9780
YOM:
1943
Region:
Crew on board:
3
Crew fatalities:
Pax on board:
14
Pax fatalities:
Other fatalities:
Total fatalities:
17
Circumstances:
Crashed in unknown circumstances somewhere in DRC. All 17 occupants were killed.

Crash of a Douglas C-47A-50-DL in Kinshasa

Date & Time: Feb 15, 1970
Operator:
Registration:
9Q-CUP
Survivors:
Yes
MSN:
10063
YOM:
1943
Region:
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
Suffered an accident at Kinshasa-N’Djili Airport. There were no casualties.

Crash of a Douglas C-47-Dl in Puerto López: 14 killed

Date & Time: Feb 12, 1970 at 0738 LT
Operator:
Registration:
HK-1270
Flight Phase:
Survivors:
No
Schedule:
Villavicencio – Puerto Inírida
MSN:
4544
YOM:
1942
Country:
Crew on board:
4
Crew fatalities:
Pax on board:
10
Pax fatalities:
Other fatalities:
Total fatalities:
14
Circumstances:
The airplane departed Villavicencio-La Vanguardia Airport at 0620LT on a scheduled flight to Puerto Inírida. About 55 minutes into the flight, the left engine oversped and the crew decided to return to Villavicencio. Some 23 minutes later, the aircraft crashed in Puerto López. A passenger was seriously injured while 13 other occupants were killed. Three days later, the only survivor died from his injuries.
Probable cause:
Technical problems with the left engine in flight for undetermined reason.