At 07.00am, two helicopters Mi-171 departed from Ca Mau airport heading towards the located area where the Malaysian Airlines plane was reported missing on March 8.
Major General Do Minh Tuan, deputy commander of the Vietnam Air Defence and Air Force, said air forces will expand the search to the east of the area presently under examination.
Air Division 370 said on March 10 it sent out an additional helicopter Mi-171, raising its number of Mi-171 joining the mission to three.
On March 8-9, Air Division 370 flew two sorties to spotted two suspected oil slicks and an orange life-vest at sea, but the trade of the missing Malaysian jet remains unknown.
