G1 Aviation G1


The G1 Aviation G1 is a French STOL ultralight aircraft, designed and produced by G1 Aviation of Le Thor. The aircraft is supplied as a kit for amateur construction or as a complete ready-to-fly-aircraft.
Zenith Aircraft considers the G1 an unauthorized copy of the Zenith STOL CH 701.

Design and development

The aircraft is derived from the Alisport Yuma and was designed to comply with the Fédération Aéronautique Internationale microlight rules. It features a strut-braced high wing, a two-seats-in-side-by-side configuration enclosed cockpit, fixed tricycle landing gear and a single engine in tractor configuration.
All G1 models have a fuselage made from welded steel tubing, with the wing made from aluminum, all covered in doped aircraft fabric. The Gelinotte variant has a span wing with an area of and features leading edge slots. The SPYL model uses vortex generators in place of the slots, has the same wing span, but a slightly smaller wing area of. All models are equipped with flaps and have optional folding wings for ground transport and storage. Standard engines available are the Rotax 912UL and the Rotax 912ULS four-stroke powerplants. The company also offers a new exhaust system for the Rotax 912 that is quieter than the stock Rotax-supplied system.
The aircraft has also been equipped with the JLT Motors Ecoyota engine.

Variants

;G1 Amphibie
;G1 Gelinotte
;G1 la Grive
;G1 SPYL
;G1 Agricole

Specifications (G1 SPYL)