Slingsby T43 Skylark 3b

General characteristics

• Crew: 1

• Length: 24 ft 9 in (7.54 m)

• Wingspan: 59 ft 8.0 in (18.186 m)

• Wing area: 173 sq ft (16.1 m2)

• Aspect ratio: 20.5

• Airfoil: NACA 633-620 at root, NACA 4415 at tip

• Empty weight: 558 lb (253 kg)

• Max takeoff weight: 789 lb (358 kg)

Performance

• Stall speed: 31 kn

• Never exceed speed: 108 kn 

• Max rough air speed: 71 kn

• Max aero-tow air speed: 71 kn 

• Max winch or auto tow speed: 71 kn 

• Maximum glide ratio: 36:1 at 40 kn [1]

• Min rate of sink: 110 ft/min at 35 kn 

• Aerotow 50 kn recommended

• Wing loading: 4.5 lb/sq ft (22.2 kg/m2)

References

1. S and G August 1957 p199