Interplane struts comprise of streamlined chromoloy tubing. Ailerons are triangulated spruce structure, fabric covered. All tail control surfaces have alloy steel tabular spars and stamped sheet steel ribs. Stabilizer is adjustable in flight from either cockpit and fin is adjustable on the ground. The fuselage structure is made of chrome molybdinum steel tubing with welded joints.
Fuselage is covered with fabric.
Fairng strips under the covering on the sides prevent flapping of the fabric. Rugged cowling well upholstered is provided around the cockpit. Cowling is provided under the fuselage aft of the firewall and forward of the firewall Engine cowling consists of nose cowl, top cowl, bottom cowl and two side doors. Engine compartment side doors are easily opened and top cowls are easily removed. All other cowling is held on by Oval countersunk machine screws and special washers.