The Equipment

664 VGS has two Grob 109 B Vigilant Motor Gliders

ZH187 (TZ)
ZH279 (SG)

Vigilant T1 motor glider - technical data
 
Dimensions

• Wing span 17.4 m
• Wing area 19.0 m²
• Aspect ratio 15.9
• Fuselage length 8.1 m
• Height 1.7 m

Masses

• Max. take-off mass 908 kg
• Max. payload 230 kg
• Fuel capacity 72 kg (100 l)
• Max. wing loading 44.7 kg/m²

Performance (MSL, ISA)

• Never exceed speed 130 kts
• Cruising speed 90 kts
• Stall speed 38 kts
• Rate of climb 3.3 m/s
• Take-off run 196 m
• Take-off run over 15 m obstacle 320 m
• Max. range 1,800 km

Gliding performance

• Best gliding ratio 1:28 at 62 kts
• Min. sink rate 1.1 m/s at 58 kts