The GS-501 Urraco features a strut-braced high-wing, a two-seats-in-side-by-side configuration enclosed cabin with vertically-hinged doors, fixed tricycle landing gear with wheel pants and a single engine in tractor configuration.[1]
The aircraft is made from sheet aluminium "all-metal" construction, with the wing tips and cowling made from composite material. Its 9.21NaN1 span wing employs a NACA 650-18m airfoil, mounts flaps and has a wing area of 12.97m2. The wing is supported by V-struts and jury struts. Two wings are available, the SuperSTOL, with double slotted flaps and the Express. The main landing gear is sprung 7075-T6 aluminium, while the nose gear has lever suspension using rubber pucks and helical springs. The main wheels include hydraulic disc brakes.[1]
The acceptable power range is 75to and the standard engines used are the 750NaN0 Rotax 912ULS and the turbocharged 860NaN0 Rotax 914 powerplant, driving a three-bladed Ivoprop propeller. Continental Motors, Inc. or Lycoming Engines powerplants up to 1190NaN0 may also be fitted.[1]
The aircraft has a typical empty weight of 340kg (750lb) and a gross weight of 600kg (1,300lb), giving a useful load of 260kg (570lb). With full fuel of 55kg (121lb) the payload for pilot, passenger and baggage is 205kg (452lb).[1]
The standard day, sea level, no wind, take off with a 750NaN0 engine is 1000NaN0 and the landing roll is 1500NaN0.[1]
By 2010 the company reported that 58 Urracos had been delivered.[1]