 Of wood and fabric construction, it was a conventional, low-wing monoplane with a tailwheel undercarriage and a single seat, open cockpit, though there was the option of a bubble hood.The constant chord wings were almost square ended and the tailplane, fin and rudder also angular.Both completed aircraft were initially powered by the 36 hp (27 kW) Aeronca JAP J-99 engine, later replaced by the more powerful, 62 hp (46 kW) Walter Mikron 2.