GROB 103
- Span 57.4 ft/17.5m
- Empty weight 811 lb
- Payload 468 lb.
- Gross weight 1279 lb.
- Wing loading 6.67 lb. / sq. ft.
- L/D max. 35 at 65 mph
- Min. sink 2.5 fps at 49 mph
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GROB 102 (Astir)
- Span 49.2 ft ./15m.
- Empty weight 547 lb.
- Payload 291 lb.
- Gross weight 838 lb.
- Wing loading 6.27 lb. / sq. ft.
- L/D max. 33 at 58 mph
- Min. sink 2.3 fps at 46 mph
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ASW-19
- Span 49.2 ft./15m.
- Empty weight 552 lb.
- Payload 442 lb.
- Gross weight 994 lb.
- Wing loading 8.47 lb. / sq. ft.
- L/D max. 38
- Min. sink 2.03 fps
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