The BB Microlight 103 is a Hungarian ultralight trike, designed and produced by BB Microlight of Baja, Hungary. The aircraft is supplied as a complete ready-to-fly-aircraft.Bayerl, Robby; Martin Berkemeier; et al: World Directory of Leisure Aviation 2011-12, page 207. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X
Design and development The aircraft was designed to comply with the US FAR 103 Ultralight Vehicles rules, including the category's maximum empty weight of . The aircraft has a standard empty weight of . It features a cable-braced hang glider-style high-wing, weight-shift controls, a single-seat 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 wing covered in Dacron sailcloth. Its span wing is supported by a single tube-type kingpost and uses an "A" frame weight-shift control bar. The powerplant is a twin cylinder, air-cooled, two-stroke, dual-ignition Rotax 447 engine. The aircraft has an empty weight of and a gross weight of , giving a useful load of . With full fuel of the payload is .
The carriage comes with brakes, full suspension and a cockpit fairing, but is also available in nanotrike form without the fairings.
A number of different wings can be fitted to the basic carriage, including the BB Microlight BB-03 Trya and the US-made 40% double surface Manta RST. The Manta RST comes in four sizes, graded by wing area: , , and .
In the United States the aircraft is imported by Manta Aircraft and fitted with the Manta RST wing.
Specifications (103 with Manta RST 12.5 wing)
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