The Russian based plane Sukhoi Su-30 MK2 jet fighter was crashed on Tuesday with nine people aboard.
The pieces of the plane has been found by the rescuers on Friday while attempting to locate a pilot from a crashed fighter jet.
One of the Veitnam based newspaper, The Thanh Nien alleged that the pieces were detected near the area where the maritime patrol aircraft Casa 212 lost contact with command center, some 44 nautical miles (81 kilometers) southwest of Bach Long Vi island, off the coast of northern port city of Hai Phong.
Moreover, online newspaper VnExpress stated, “bad weather could be a cause for the aircraft’s crash.”
Thanh Nien said that there was rain and strong wind at the time the aircraft lost contact.
One other pilot from the jet was rescued by a fishing boat Wednesday.
The incidents were the latest in a string of accidents to hit the military. At least two crashes of military helicopters in the past two years have killed 24 people.