The upper wing was a little larger in both span and chord and was in three parts, with a short centre-section held over the fuselage on a low cabane.

[2] Its single engine was an uncowled, 310 kW (420 hp) Walter-built Jupiter IV on a steel tube mounting and with a pair of long, airfoil-section fuel tanks placed on the upper wing near the ends of the centre-section.

Behind its firewall, the fuselage, built from steel tubes, was rectangular in section and housed a passenger cabin 3 m (9 ft 10 in) long fitted with six permanent and two folding seats.

[2] The A.23's straight-edged tailplane, mounted on the upper fuselage and strut-braced from below, was adjustable in flight and carried separate rounded, balanced elevators.

[2] Its fixed, conventional undercarriage originally had mainwheels on a single axle, mounted on V-struts from the lower fuselage with wire cross-bracing.