Circular presenting a description of the Parnall Imp, which is a new British light airplane that lacks any wire bracing, has an all-wood construction, and has general weatherproof qualities. Results regarding wings, fuselage, landing gear, engine, cockpit, characteristics, drawings, and photographs are provided.

The Arado SC 1 is a staggered overhung biplane. It was build specifically as a training aircraft. A description of the aircraft design, the flight characteristics, and photos of the aircraft are provided.

Circular presenting a description of the Focke-Wulf F.19 Ente, which is a tail-first airplane that was the first to fly under proper control. Details regarding the design, construction, controls, power unit, flight characteristics, and photographs are provided.

The Stinson S M-1 seats 5 passengers and a pilot. It is equipped with a Wright Whirlwind Engine. A description of the fuselage, cabin, power plant, gasoline supply, controls, wings, landing gear, lift struts, tail group, characteristics, drawings, and photographs are provided.

The H.D. 40 has a compound structure in which metal has been used at stress points. It is powered by one BMW IV 460 H.P. engine.

The Mowe is equipped with a 420 H.P. Jupiter engine and can be configured to carry up to 10 passengers. Details of the aircraft design, landing gear, wing, characteristics, drawings, and photographs are provided.

Report discussing the A.B.C. Motors Robin, a single-seat monoplane that was built for pilot comfort, speed, and fuel efficiency. Information about the structural design, dimensions, weight, performance, and rough blueprints is included.

Circular presenting a description of the Bristol Bulldog, which is a single-seat all-steel fighter aircraft powered by a Bristol Jupiter radial air-cooled engine. Details regarding the components, controls, stabilizers, design, flight characteristics, drawings, and photographs are provided.

Report discusses the characteristics of the K 37 all-metal long-wing monoplane and its use for long-distance scouting, as a day bomber, and as a heavy fighting airplane. Its engines, climbing capacity, action radius, bombing installation, fuselage, controls, and landing gear are explored in depth.

Circular describing the Fairey III.F, which is a general-purpose biplane created by the Fairey Aviation Company to serve as a fighter, bomber, reconnaissance, ambulance, passenger, or long-range airplane. Details of the structure, power plant, wings, tail, landing gear, cockpits, controls, corrosion proofing, instruments, radio, armament, drawings, and photographs are provided.