The aircraft was designed to comply with the US
FAR 103 Ultralight Vehicles rules, including the category's maximum empty weight of . The aircraft has a standard empty weight of . It features a
biplane wing configuration, a single-seat, open cockpit,
conventional landing gear and a single engine in
tractor configuration. The aircraft is made from
pop-riveted and gusseted
aluminum tubing, with the wings and tail surfaces covered in
doped aircraft fabric covering. Its biplane wing has a top span of , a bottom span of , employs
cabane struts and one set of
interplane struts. The controls are conventional three-axis, with full-span
ailerons on the top wing. The
landing gear is
bungee suspended and includes main wheel brakes and tailwheel steering. Common engines used include the
Cuyuna 430R in the Delta Bird and the
Kawasaki 440 in the Delta Hawk. ==Variants==