Bilsam Ultra Cruiser

The Bilsam Ultra Cruiser is a family of Polish microlight aircraft designed and produced by Bilsam Aviation of Poznań, introduced in the 2000s. The aircraft is supplied as a complete ready-to-fly-aircraft, as a kit and in the form of plans for amateur construction.

The manufacturer's website is non-functional and has been so since about 2008, so it is not clear if the company is still in business.

Design and development
The Ultra Cruiser was designed to comply with the Fédération Aéronautique Internationale microlight category, including the category's maximum gross weight of 450 kg and the US FAR 103 Ultralight Vehicles rules, including the category's maximum empty weight of 115 kg.

The Ultra Cruiser I features a cantilever high-wing, a single-seat enclosed cockpit under a bubble canopy, fixed tricycle landing gear and a single engine in pusher configuration.

The aircraft is made from composite material. Its 8 m span wing has a wing area of 8 m2. The standard engines used are the 28 hp Hirth F-33 two-stroke or the Bilsam TNA 650 55 hp Suzuki automotive conversion powerplant.

The aircraft has a typical empty weight of 115 kg and a gross weight of 250 kg, giving a useful load of 135 kg. With full fuel of 19 L the payload for pilot and baggage is 121 kg.

Variants

 * Ultra Cruiser I
 * Single-seat version


 * Ultra Cruiser II
 * Two-seat version