The aircraft was designed to comply with the Fédération Aéronautique Internationale microlight category, including the category's maximum gross weight of 4500NaN0. It is marketed in the United States in the Light-sport Aircraft category as an ELSA by Manta Aircraft.
The aircraft features a cable-braced hang glider-style high-wing, weight-shift controls, a two-seats-in-tandem open cockpit, tricycle landing gear with wheel pants and a single engine in pusher configuration.
The aircraft is made from bolted-together aluminum tubing, with its double surface wing covered in Dacron sailcloth. Its 8.11NaN1 span wing is supported by a single tube-type kingpost and uses an "A" frame weight-shift control bar. The standard powerplant is a twin cylinder, air-cooled, two-stroke, dual-ignition 500NaN0 Rotax 503 engine, with the liquid-cooled 640NaN0 Rotax 582 and the two cylinder, air-cooled, four-stroke, dual-ignition 600NaN0 HKS 700E engines optional.
The aircraft has an empty weight of 910NaN0 without the engine fitted and a gross weight of 3750NaN0. Full fuel is .
A number of different wings can be fitted to the basic carriage, including the US-made 40% double surface Manta RST and the 80% double surface Manta Orca 12 RST. The Manta RST comes in four sizes, graded by wing area: 12.5m2, 15.5m2, 17m2 and 19m2. The Hungarian-made 16m2 BB Microlight BB-02 Serpa or the 14m2 BB Microlight BB-01 Bence are also available.