Scale: 1/26
Length: 13.5”
Wingspan: 16.6"

Two-seat training aircraft. The 504K had a universal mount to take different engines. Single-seat fighter conversion used for anti-zeppelin work. Several were assembled in Australia by Australian Aircraft & Engineering. 130 hp (100 kW) Clerget, 100 hp (75 kW) Gnome or 110 hp (80 kW) Le Rhône engines.