Crash of a Lockheed WC-130H Hercules into the South China Sea: 10 killed

Date & Time: Oct 13, 1974
Type of aircraft:
Operator:
Registration:
65-0965
Flight Phase:
Flight Type:
Survivors:
No
Schedule:
Taipei - Saigon
MSN:
4106
YOM:
1965
Country:
Region:
Crew on board:
5
Crew fatalities:
Pax on board:
5
Pax fatalities:
Other fatalities:
Total fatalities:
10
Circumstances:
En route from Taipei to Saigon, the airplane encountered poor weather conditions and crashed into the South China Sea. SAR operations were conducted but eventually abandoned few days later as no trace of the aircraft nor the 10 occupants was found. At the time of the accident, weather conditions were poor due to typhoon 'Bess'.
Probable cause:
Due to lack of evidences as the aircraft was not found, the exact cause of the accident could not be determined.

Crash of a Grumman C-2A Greyhound into the South China Sea: 4 killed

Date & Time: Dec 12, 1971
Type of aircraft:
Operator:
Registration:
152793
Flight Phase:
Survivors:
No
Schedule:
Cubi Point - Saigon
MSN:
10
Country:
Region:
Crew on board:
4
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
4
Circumstances:
En route from Cubi Point NAS to Saigon, the airplane crashed in unknown circumstances into the South China Sea, killing all four crew members.

Crash of a Grumman E-2B Hawkeye in the South China Sea: 5 killed

Date & Time: Jun 11, 1971
Type of aircraft:
Operator:
Registration:
151719
Flight Phase:
Flight Type:
Survivors:
No
MSN:
A039
Country:
Region:
Crew on board:
5
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
5
Circumstances:
Disappeared in the South China Sea while on a mission on behalf of the USS Midway (CVA-41) contingent. All five crew members presumed dead.

Crash of a Fairchild AC-119K Stinger into the South China Sea: 1 killed

Date & Time: Jun 6, 1970
Operator:
Registration:
52-5935
Flight Phase:
Flight Type:
Survivors:
Yes
Schedule:
Đà Nẵng - Đà Nẵng
MSN:
11114
YOM:
1952
Country:
Region:
Crew on board:
10
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
1
Circumstances:
En route on a night gunship mission, the captain informed ground that he lost a propeller blade on the left engine. He elected to return to Đà Nẵng Airport but eventually decided to continue over the South China Sea where all 10 crew members abandoned the aircraft that crashed into the sea. Nine occupants were found alive while the body of the 10th crew member (T/Sgt Clyde Douglas Alloway) was not recovered.
Probable cause:
Lost of propeller blade in flight.

Crash of a Grumman C-1A Trader into the South China Sea: 3 killed

Date & Time: Jan 16, 1968
Type of aircraft:
Operator:
Registration:
146054
Flight Phase:
Survivors:
Yes
MSN:
84
YOM:
1958
Country:
Region:
Crew on board:
3
Crew fatalities:
Pax on board:
7
Pax fatalities:
Other fatalities:
Total fatalities:
3
Circumstances:
While being catapulted from the USS Kitty Hawk, the airplane went out of control and crashed into the sea. All seven passengers were quickly rescued while all three crew members were killed.
Crew:
Lt Cdr William Joseph Thompson,
Lt Orville Dale Cooley,
A03 William Henry Reeder.

Crash of a Grumman S-2E Tracker into the South China Sea: 2 killed

Date & Time: Nov 20, 1967
Type of aircraft:
Operator:
Registration:
150602
Flight Phase:
Flight Type:
Survivors:
No
Schedule:
USS Kearsarge - USS Kearsarge
MSN:
169
YOM:
1957
Country:
Region:
Crew on board:
2
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
2
Circumstances:
The crew departed USS Kearsarge on a training mission over the South China Sea. The accident occurred in unknown circumstances, causing the death of both crew members.

Crash of a Douglas DC-3 in the South China Sea: 6 killed

Date & Time: Aug 21, 1967
Type of aircraft:
Operator:
Registration:
B-1523
Flight Phase:
Flight Type:
Survivors:
Yes
Schedule:
Taipei - Saigon
Country:
Region:
Crew on board:
2
Crew fatalities:
Pax on board:
7
Pax fatalities:
Other fatalities:
Total fatalities:
6
Circumstances:
Crashed in unknown circumstances into the South China Sea while completing a cargo flight from Taipei to Saigon. Six occupants were killed while three others were rescued by the crew of a British vessel.

Crash of a Grumman C-1A Trader into the South China Sea

Date & Time: Aug 8, 1967
Type of aircraft:
Operator:
Registration:
146016
Flight Phase:
Survivors:
Yes
Schedule:
USS Hornet - USS Hornet
MSN:
47
YOM:
1957
Country:
Region:
Crew on board:
5
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
Just after he took off from the USS Hornet while on a maritime patrol flight, the crew informed ground that the right engine failed. The airplane stalled and crashed into the Sea. All five crew members were quickly rescued while the aircraft sank and was lost.
Probable cause:
Engine failure on takeoff.

Crash of a Grumman S-2E Tracker off Huế: 4 killed

Date & Time: Nov 10, 1966
Type of aircraft:
Operator:
Registration:
152351
Flight Phase:
Survivors:
No
Schedule:
USS Kearsarge - USS Kearsarge
MSN:
238
YOM:
1957
Country:
Region:
Crew on board:
4
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
4
Circumstances:
The twin engine aircraft departed USS Kearsarge for a night patrol flight overt the Gulf of Tonkin. After about three hours the carrier lost radar contact with the aircraft and at first light other aircraft were launched to search for the Tracker. The wreckage and personal flight gear was spotted in the water about 55 miles northeast of Huế but there was no sign of any of the crew.
Crew:
Lt Thomas Joseph McAteer,
Lt (jg) William Thomas Carter,
AX3 John Michael Riordan,
AX3 Eric John Schoderer.
Source: Chris Hobson.
Probable cause:
The cause of the crash could not be determined but it was felt unlikely to have been due to enemy action.

Crash of a Grumman HU-16B Albatross into the China Sea: 7 killed

Date & Time: Oct 18, 1966
Operator:
Registration:
51-7145
Flight Phase:
Survivors:
No
Schedule:
Đà Nẵng - Đà Nẵng
MSN:
G-195
YOM:
1952
Flight number:
Crown Bravo
Country:
Region:
Crew on board:
7
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
7
Circumstances:
The aircraft took off from Đà Nẵng in poor weather for a patrol over the Gulf of Tonkin. Using the call signe Crown Bravo, a name that was assigned to the afternoon patrol of each day, the aircraft encountered worsening weather and failed to make a routine radio report. As soon as the weather cleared enough a second Albatross left Đà Nẵng on a SAR mission. No trace of the aircraft or its crew was ever found. The last known position was about 64 km off Đồng Hới.
Crew:
Maj Ralph Harold Angstadt,
1st Lt John Henry Sotheron Long,
Maj Inzar William Rackley,
T/Sgt Robert Laverne Hill,
S/Sgt Lawrence Clark,
S/Sgt John Reginald Shoneck,
A2C Steven Harold Adams.
Source: Chris Hobson.
Probable cause:
It was suspected that the aircraft was lost due to extreme weather rather than enemy action.