The Ultimate 10-200 is a Canadian homebuilt aerobatic biplane that was designed produced by Streamline Welding of Hamilton, Ontario, introduced in the 1990s. When it was available the aircraft was supplied as a kit or in the form of plans for amateur construction.
The aircraft started out as a replacement set of wings for the Pitts Special and eventually a new fuselage was designed to go with the wing set. The resulting aircraft features a strut-braced biplane layout, with cabane struts, interplane struts and flying wires, a single-seat, enclosed cockpit under a bubble canopy, fixed conventional landing gear with wheel pants and a single engine in tractor configuration.
The aircraft is made from metal with its flying surfaces covered in doped aircraft fabric. Its wing span is only . The acceptable power range varies by each model. Standard equipment includes an inverted fuel system and rear-hinged canopy. Operational g loads are +7 and -5 g. The aircraft has a roll rate of 360 degrees per second.
The 10-200 version has a typical empty weight of and a gross weight of , giving a useful load of . With full fuel of the payload for the pilot and baggage is .
The standard day, sea level, no wind, take off with a engine is and the landing roll is .
The manufacturer estimated the construction time from the supplied kit as 1200 hours.
In March 2014 six examples were registered in the United States with the Federal Aviation Administration, although a total of 12 had been registered at one time. Also in March 2014 two were registered in Canada with Transport Canada.