For a time the nosewheel was also spatted. It was fitted with fixed tailwheel undercarriage with spatted mainwheels. It was fitted with tailwheel undercarriage with spatted mainwheels. The wheels are spatted and the nosewheel steerable. The undercarriage was fixed with spatted wheels. On the prototype the wheels were spatted, but these were removed on production aircraft. The fixed undercarriage consisted of divided main units with spatted wheels, plus a tailskid. Its tailwheel undercarriage was fixed, and the mainwheels were spatted. It was a four-seat monoplane with spatted fixed undercarriage. The production aircraft were three-seaters with fixed spatted undercarriages. Unlike the B5N its undercarriage was of fixed tailwheel type with spatted main wheels. These struts were faired and both main and tail wheels were spatted. It had a clean cantilever spatted undercarriage. The aircraft is easily recognisable by its inverted gull wings and fixed spatted undercarriage. The optionally spatted wheels were oleo damped and had differential brakes.