TYPE: Single-seat ultralight motor glider.

PROGRAMME: Developed in late 1990s, is a derivative of the earlier TST-9 Junior 2000, itself derived from the TST-7 Junior.

DESIGN FEATURES: Forward-swept, high-wing monoplane with T tail. Tailplane removable for storage and transportation. Tailplane aerofoil NACA 0011.

FLYING CONTROLS: Conventional and manual. Ailerons and elevators rod-actuated, rudder by cables. Two position flaps; uper-surface spoilers.

STRUCTURE: Composites wing with I-shaped spar identical to that used on TST-10 glider. Fuselage of sandwich structure with integral empennage. Wing, with plywood and fabric covering; glass fibre wingtips. All-wood fuselage except for glass fibre panel behind cockpit.

LANDING GEAR: Tailwheel type; fixed. Fuselage-mounted spring cantilever mainwheel legs with wheel fairings and 300x100 wheels; 120x30 steerable tailwheel.

POWER PLANT: One 31.0 kW (41.6 hp) Rotax 447 engine and two-blade SportProp 1600 propeller standard; or suitable equivalent; 37.0 kW (49.6 hp) Rotax 503 can also be fitted. Standard fuel capacity 20 litres (5.3 US gallons; 4.4 Imp gallons); this can be optionally increased to 40 litres (10.6 US gallons; 8.8 Imp gallons) by use of interchangeable wing tank.

EQUIPMENT: Optional BRS parachute.


  • Wing span: 15.00 m (49 ft 2½ in)
  • Length overall: 7.05 m (23 ft 1½ in)


  • Cabin max width: 0.59 m (1 ft 11¼ in)


  • Wings, gross: 10.03 m² (108.0 sq ft)


  • Weight empty: 195 kg (430 lb)
  • Max T-O weight: 300 kg (661 lb)
    • with BRS parachute system: 322 kg (709 lb)


  • Never-exceed speed (VNE), and max speed with spoilers extended: 108 kt (200 km/h; 124 mph)
  • Max cruising speed: 86 kt (160 km/h; 99 mph)
  • Normal cruising speed: 65 kt (120 km/h; 75 mph)
  • Stalling speed: 36 kt (65 km/h; 41 mph)
  • g limits: +4.8/-2.8


  • Best glide ratio at 50 kt (93 km/h; 58 mph): 32