The Paxman Viper is a Canadian homebuilt aircraft that was designed by Elbert Paxman and produced by Paxman's Northern Aircraft of Glenwood, Alberta, introduced in 1994. When it was available the aircraft was supplied as a kit for amateur construction. Design and development The Viper was designed for the Canadian advanced ultralight category. It features a cantilever low-wing, a two-seats-in-side-by-side configuration enclosed cockpit under a bubble canopy, fixed conventional landing gear and a single engine in tractor configuration. The aircraft airframe is made from wood, covered in doped aircraft fabric. Its span wing has a wing area of . The acceptable power range is and the standard engine used is a Suzuki automotive conversion powerplant. The Viper 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, passenger 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 500 hours. Operational history By 1998 the company reported that one kit had been sold, was completed and flying. In January 2014 one example was registered with Transport Canada. Specifications (Viper) References External links Photo of the prototype Viper on display at Oshkosh, 1996 Viper 1990s Canadian sport aircraft 1990s Canadian ultralight aircraft 1990s Canadian civil utility aircraft Single-engined tractor aircraft Low-wing aircraft Homebuilt aircraft