The Kingsford Smith PL.7 was an Australian agricultural aircraft designed by Luigi Pellarini and built in the 1950s by Kingsford Smith Aviation Service.
The PL.7 was basically a welded steel tank for the pilot and chemical hopper, on the front was mounted a Armstrong Siddeley Cheetah X radial engine. It was an unequal span biplane with a tail unit supported by twin booms from the upper wings and a fixed tricycle landing gear.