#10 – The A-10 Contains The Heaviest Automatic Cannon Ever Put On An Aircraft
The first on our “10 Unbelievable A-10 Warthog Facts You Need To Know ” list is the 30 mm GAU-8/A Avenger sits in the front of the aircraft, with the barrel protruding from the nose of the A-10. It is the heaviest automatic cannon ever mounted on an aircraft.