Douglas DC-4 number "VN-C501", Plane of Civil Aviation Authority of Vietnam (After75-80s) was Hijacked by 4 Hijackers on June 28th, 1978. The battle for control the plane between the Crew and the Hijackers raged in 52 minutes, with shootout and knife fighting. The plane had a medium size hole in Passenger Cabin, the explosive force of the grenade from the reckless Hijacker caused the flight attendant's galley to collapse. Final, the plane landed safety at Da Nang Airport, 2 Crews died out of total of six Crew, All 4 Hijackers died before landing. After 1 month, DC-4 501 cargo rice to Laos, but when flying the plane had Emergency reason, Pilots was landed on field. Local peoples after saw the plane was going and "kill" plane to sell junk.