Crash of a Boeing C-135F Stratotanker off Hao Island: 6 killed

Date & Time: Jun 30, 1972 at 0510 LT
Type of aircraft:
Operator:
Registration:
38473/F-UKCD
Flight Phase:
Survivors:
No
Schedule:
Hao - Hao
MSN:
18682/C004
YOM:
1964
Region:
Crew on board:
4
Crew fatalities:
Pax on board:
2
Pax fatalities:
Other fatalities:
Total fatalities:
6
Circumstances:
The four engine airplane departed Hao Island Airport runway 12 at 0500LT for a weather reports mission of seven hours and 40 minutes. During initial climb, both right engines n°3 & 4 lost power simultaneously. The pilot-in-command was able to complete a low pass over the airport before the airplane went out of control and crashed into the sea few hundred meters offshore. The aircraft was destroyed and all six occupants were killed.
Crew:
Cdt Dugué, pilot,
Lt Frugier, copilot,
Cpt Parage, navigator,
Adj Hecq, refueling operator.
Passengers:
- Adj Langlais, weather specialist,
1st Mst Saucillon, weather specialist.
Probable cause:
It is believed that the loss of power on both right engines was the consequence of a bleed valve failure. Nevertheless, investigations revealed several engine problems on other aircraft operated in the area, probably due to an excessive exposure to a salty environment.

Crash of a Cessna 411 off Hao Island: 3 killed

Date & Time: Jun 5, 1971
Type of aircraft:
Operator:
Registration:
7/F-RBQD
Flight Phase:
Flight Type:
Survivors:
Yes
MSN:
411-0251
YOM:
1967
Region:
Crew on board:
3
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
3
Circumstances:
The twin engine aircraft crashed in unknown circumstances into the Ocean few hundred yards off shore while flying by night. All three occupants were killed. The mission was conducted on behalf of the Groupe aérien mixte (GAM).
Crew:
Lt Col Desplas,
Cdt Lacrouts,
Lt Col Lalanne.