Full Specifications

Basic Dimensions

 Cockpit width 46 in 
 Wingspan 30.84 Ft
 Length 22.14 ft
 Height 7.38 ft
 Wheel Base
 7.12 ft


 Never exceed (Vne) 142 knots
 Max, deploy rescue system 130 knots
 Max, continuous power (Vh) 120 knots
 Cruise, 75%power (Vc) 115 knots
 Max, structural cruise (Vno) 108 knots
 Design maneuver speed (Va)
 86 knots
 Max speed, 1st set of flaps 75 knots
 Max speed, 2nd set of flaps 65 knots
 Max speed, full set of flaps 55 knots
 Design climb speed 75 knots
 Best rate of climb 65 knots
 Best angle of climb 55 knots
 Approach (Vref) 65 knots
 Rotation (Vr) 35 knots
 Takeoff (Vlof) 42 knots
 Stall, no flaps (Vs) 43 knots
 Stall, full flaps (Vso) 34 knots
 Rate of climb 1,000+ fpm

Distances and Fuel

 Takeoff 350 ft
 Takeoff, 50 ft obstacle 970 ft
 Landing 490 ft
 Landing, 50 ft obstacle 1,050 ft
 Range at Cruise (Vc), 30 minute reserve 648 nm
 Endurance at Vbe 7.5+ hours
 Service ceiling 14,500 ft
 Fuel, dual wing tanks
 34.0 gallons
 Fuel types
 Premium Auto 91 octane or Avgas 100LL


 Max takeoff weight 1,320 lbs*
 Basic empty weight 760 lbs (varies)
 Max useful load 560 lbs
 Max crew (2) total weight 500 lbs
 Cargo volume 14.66 cubic ft
 Cargo max weight 75 lbs
 Design load factor limits +4 g / -2 g


 Wing profile MS (1)-0313
 Glide ratio, engine off 14:1
 CG limits (%MAC) 22-32%
 Wing MAC
 4.03 ft
 Wing span 30.84 ft
 Wing Area 121.1 sq ft
 Wing aspect ratio 7.92:1
 Aileron span 12.28 ft
 Aileron area 10.98 sq ft
 Aileron deflection, up/down 11.5/ 7.6 degrees
 Flap deflection, manual range 1-45 degrees
 Flap deflection, 1st, 2nd, full 10, 28, 45 degrees
 Wing loading 10.99 lbs/sq ft
 Power loading 13.2 lbs/hp


 Vertical fin area 12.81 sq ft
 Rudder deflection 20 degrees each R/L
 Stabilizer span 9.84 ft
 Stabilizer area 21.64 ft
 Elevator deflection, up/down 16.7/8.5 degrees

*The Sirius may be fitted to receive floats and therefore may be rated as LSA seaplanes with a MTOW of 1,430 lbs.