Kingsford Smith PL.7

The Kingsford Smith PL.7 was an Australian agricultural aircraft designed by Luigi Pellarini and built in the 1950s by Kingsford Smith Aviation Service.

Design and development
The PL.7 was basically a welded steel tank for the pilot and chemical hopper, on the front was mounted a 400 hp 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.