The Direct Fly Alto () is a Czech ultralight and light-sport aircraft, designed and produced by Direct Fly s.r.o. of Hluk. The aircraft is supplied as a standard or quick-build kit for amateur construction or as a complete ready-to-fly-aircraft.Bayerl, Robby; Martin Berkemeier; et al: World Directory of Leisure Aviation 2011-12, page 40. WDLA UK, Lancaster UK, 2011. ISSN 1368-485XTacke, Willi; Marino Boric; et al: World Directory of Light Aviation 2015-16, page 42. Flying Pages Europe SARL, 2015.

Design and development The aircraft was designed to comply with the Fédération Aéronautique Internationale microlight class and US light-sport aircraft rules. It features a cantilever low-wing, a two-seats-in-side-by-side configuration enclosed cockpit, fixed tricycle landing gear or optionally conventional landing gear and a single engine in tractor configuration.

The aircraft is constructed from aluminum sheet, with a wing that has a span of and an area of . Standard engines available are the Rotax 912UL, the Rotax 912ULS and the Jabiru 3300 four-stroke powerplants.

A Magnum 501 rocket powered parachute system is under development for the aircraft.

The Alto TG design was issued a Czech type certificate on 15 July 2008 and produced until 2022. The Alto NG replaced the original model in production in 2022.

In 2011 the design was accepted as a Federal Aviation Administration approved special light-sport aircraft.

The Alto NG replaced the original TG model in production in 2022.

Operational history The aircraft was introduced to the US light sport market at the 2010 Sun 'n Fun airshow.

In July 2022 there were five Altos registered with the US Federal Aviation Administration.

In late June 2026, the Ukrainian Air Force received a batch of 10 Alto NGs for training duties. Half of them were paid for by the Czech government while the other half were donated by the Dárek pro Putina charity group.

Variants Alto TG Tricycle landing gear version with a gross weight. Alto TW Tailwheel (conventional gear) model. Alto 100 Version for the American light sport aircraft market. Alto NG Improved "New Generation" version introduced in 2022. This model has a gross weight, strengthened nosewheel landing gear leg and fuselage, longer engine mount and cowling for the Rotax 912 ULS engine, plus uses push-pull tubes in place of control cables.

Specifications (Alto TG European ultralight)

See also

References

External links