Slingsby T45 Swallow BYJ

C of A to 15th May 2024

BGA Number 1338 

Trigraph BYJ

General characteristics

• Crew: 1

• Length: 23 ft 1 in (7.04 m)

• Wingspan: 42 ft 10 in (13.05 m)

• Height: 5 ft 2 in (1.58 m)

• Wing area: 145.9 sq ft (13.55 m2)

• Airfoil: NACA 633-618 at root, NACA 4412 (mod.) at tip[3]

• Empty weight: 425 lb (193 kg) (eqipped)

• Max takeoff weight: 701 lb (318 kg)

• Max weight: 721 lb (327 kg) non aerobatic [+3% BGA concession]

Performance

• Stall speed: 33 kn (39 mph, 62 km/h)

• Never exceed speed, Vne: 110 kn (141 mph, 227 km/h) [3]

• Rough air speed max: 69 kn (138.9 km/h; 86.3 mph)

• Aerotow speed max: 69 kn (138.9 km/h; 86.3 mph)

• Winch launch speed max: 64 kn (129.6 km/h; 80.6 mph)

• Max airbrake 110 kn

• Terminal velocity: with full airbrakes 118 kn (219 km/h; 136 mph)

• g limits: +5 -2.5 at 61 kn (113.0 km/h; 70.2 mph)

• Maximum glide ratio: 26:1 at 43 kn (79.6 km/h; 49.5 mph) and 628.3 lb (285 kg) AUW

• Rate of sink: 140 ft/min (0.7 m/s) minimum, at 36 kn (66.7 km/h; 41.4 mph) and 628.3 lb (285 kg) AUW

• Wing loading: 4.8 lb/sq ft (23.4 kg/m2)

Placard​

• Non Aerobatic

• min cockpit load 79 kg (174lb 12st 6lb)

• max cockpit load 114kg (251lb 17st 13lb)

• last weighing 21/1/22

​

performance data BGA TCDS 30/4/2003