Crash of a Shin Meiwa PS-1 off Iwakuni AFB: 1 killed

Date & Time: Apr 6, 1977
Type of aircraft:
Operator:
Registration:
5808
Flight Type:
Survivors:
Yes
MSN:
1008
Country:
Region:
Crew on board:
14
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
1
Circumstances:
For unknown reasons, the airplane landed hard on the sea about one km off Iwakuni Airbase. A crew member was killed while 13 others were injured. The aircraft sank about 90 minutes later. The sea was calm at the time of the accident with a visibility of about 1,800 meters.

Crash of a Grumman C-1A Trader at Atsugi NAS: 6 killed

Date & Time: Nov 1, 1976
Type of aircraft:
Operator:
Registration:
146023
Flight Type:
Survivors:
No
MSN:
53
YOM:
1957
Country:
Region:
Crew on board:
6
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
6
Circumstances:
On final approach to Atsugi NAS, the airplane went out of control and crashed on a golf course located less than 2 km from runway 01 threshold. The aircraft was destroyed and all six crew members were killed.
Crew:
Lt Laury K. Backman +5.
Probable cause:
It is believed that control was lost on short final due to an aileron failure.

Crash of a NAMC YS-11-125 in Osaka

Date & Time: May 28, 1975 at 1142 LT
Type of aircraft:
Operator:
Registration:
JA8680
Survivors:
Yes
Schedule:
Osaka - Okinoshima
MSN:
2041
YOM:
1967
Flight number:
JD621
Country:
Region:
Crew on board:
4
Crew fatalities:
Pax on board:
18
Pax fatalities:
Other fatalities:
Total fatalities:
0
Captain / Total flying hours:
5262
Captain / Total hours on type:
3904.00
Copilot / Total flying hours:
1052
Copilot / Total hours on type:
728
Aircraft flight hours:
18713
Circumstances:
Few minutes after takeoff from Osaka-Itami Airport, bound for Okinoshima (Oki Island) on flight JD621, the crew informed ATC about technical problems and was cleared to return for an emergency landing. Upon touchdown on runway 32R, control became difficult after a tire burst on the right main gear. The airplane veered to the right, contacted soft ground and passed over a drainage ditch before coming to rest. All 22 occupants were evacuated safely while the aircraft was damaged beyond repair.
Probable cause:
A hydraulic oil leak caused by a loose connection of the hydraulic oil line in the left flap well.
Final Report:

Crash of a Lockheed C-130E Hercules at Kadena AFB

Date & Time: Sep 30, 1974
Type of aircraft:
Operator:
Registration:
63-7802
Flight Type:
Survivors:
Yes
MSN:
3868
YOM:
1963
Country:
Region:
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
After touchdown at Kadena AFB, the airplane went out of control, veered off runway to the right and came to rest. There were no injuries while the aircraft was written off.
Probable cause:
Failure of the reverse thrust system on engine n°4 after landing caused the engine to turn at full power while the reverse thrust systems run properly on engine n°1, 2 and 3.

Crash of a Lockheed P2V-7 Neptune off Iwo Jima: 8 killed

Date & Time: Apr 27, 1973
Type of aircraft:
Operator:
Registration:
4662
Flight Phase:
Survivors:
No
MSN:
226-2046
Country:
Region:
Crew on board:
8
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
8
Circumstances:
While conducting a maritime patrol flight, the airplane crashed in unknown circumstances into the Pacific Ocean off the Iwo Jima Island. The crew was unable to send any distress call and all SAR operations were abandoned after few days as no trace of the airplane nor the eight crew members was found.

Crash of a Mitsubishi MU-2S Marquise on Mt Ozusu: 2 killed

Date & Time: Apr 11, 1973
Type of aircraft:
Operator:
Registration:
93-3205
Flight Phase:
Flight Type:
Survivors:
No
Site:
MSN:
905
YOM:
1969
Country:
Region:
Crew on board:
2
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
2
Circumstances:
The twin engine airplane was engaged in a training mission when it crashed on a wooded slope of Mt Ozusu located in the Miyazaki prefecture. The aircraft was destroyed and both pilots were killed.

Crash of a Grumman E-1B Tracer off Miyazaki

Date & Time: Aug 8, 1972
Type of aircraft:
Operator:
Flight Phase:
Survivors:
Yes
Country:
Region:
Crew on board:
4
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
Crashed in unknown circumstances into the sea about 80 km southeast of Miyazaki. All four crew members were evacuated and the airplane sank and was lost.

Crash of a Lockheed P2V-7 Neptune near Kanoya AFB: 8 killed

Date & Time: Jul 26, 1972
Type of aircraft:
Operator:
Registration:
4650
Survivors:
No
Schedule:
Kanoya - Kanoya
MSN:
226-2034
Country:
Region:
Crew on board:
8
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
8
Circumstances:
The crew was returning to Kanoya AFB following a maritime patrol flight. On approach, the airplane struck the slope of a mountain located 8 km short of runway. All eight crew members were killed.

Crash of a Cessna 402A on Mt Kumaneshiriyama: 10 killed

Date & Time: May 30, 1972
Type of aircraft:
Operator:
Registration:
JA5162
Survivors:
No
Site:
MSN:
402A-0021
YOM:
1969
Country:
Region:
Crew on board:
2
Crew fatalities:
Pax on board:
8
Pax fatalities:
Other fatalities:
Total fatalities:
10
Circumstances:
While approaching Sapporo-Okadama Airport in poor weather conditions, the twin engine airplane struck the slope of Mt Kumaneshiriyama located about 47 km northeast of Okadama Airport. The aircraft was totally destroyed and all 10 occupants have been killed.