Designed by Randy Schlitter and manufactured by Aero-Max and later by Rans Inc., the Coyote was available in kit form for amateur construction as an ultralight aircraft or amateur-built aircraft. Production of both designs was completed on 1 June 2006 after having been available for 23 years. Both models of the family feature a welded 4130 steel tube cockpit, with a bolted aluminum tube rear fuselage, wing and tail surfaces all covered in pre-sewn Dacron envelopes, which shorten construction time. The reported construction time is 211 man-hours. The Coyote S-4 has conventional landing gear, while the S-5 has tricycle gear. Both can be equipped with floats and skis. The original basic engine was the Rotax 277 of 28 hp (21 kW), with the Rotax 447 of 40 hp (30 kW) and the Rotax 503 of 50 hp (37 kW) available later as options. The S-6 Coyote II two-seater was later developed from the S-5. Variants. S-2 Prototype first flown in March 1983 S-3 Improved prototype flown in September 1983, entered production as the S-4 S-4 Conventional landing gear version intended as a FAR 103 Ultralight Vehicles compliant design when equipped with the standard 28 hp (21 kW) Rotax 277 engine. No longer in production. S-5 Tricycle landing gear version for the US Experimental amateur-built category with options such as brakes. Engines include Rotax 447 of 40 hp (30 kW) and the Rotax 503 of 50 hp (37 kW). No longer in production. The specifications below are for thr S-5 model. Rans S-4 Rans S-5 Rans S-6
