Slingsby T31 Tandem Tutor

General characteristics

• Crew: 2

• Length: 7.1 m (23 ft 3.5 in)

• Wingspan: 13.2 m (43 ft 3.5 in)

• Wing area: 15.8 m2 (170.1 sq ft)

• Aspect ratio: 11.1

• Airfoil: Göttingen 426

• Empty weight: 176 kg (388 lb)

• Gross weight: 376 kg (829 lb)

Performance

• Maximum speed: 130 km/h (80.8 mph, 70 kn)

• Stall speed: 61 km/h (38 mph, 33 kn)

• Maximum glide ratio: 18.5 @ 73km/h (41.6 mph)

• Rate of sink: 1.05 m/s (206.4 ft/min) at 41.6 mph (67 km/h)