| Attak | 16 | 18 | 20 | |
| 2017 | 2017 | 2017 | ||
| In-Flight-Weight | kg | 65 - 80 | 80 - 95 | 95 - 110 |
| Main-Use | SpeedFlying | SpeedFlying | SpeedFlying | |
| Certifications | ||||
| Naked-Pilot | kg | 50 - 65 | 65 - 80 | 80 - 95 |
| Wing-Load | kg/m² | 4,1 - 5,0 | 4,4 - 5,3 | 4,7 - 5,5 |
| Wing-Weight | kg | 3,4 | 3,6 | 3,8 |
| Area | m² | 16,00 | 18,00 | 20,00 |
| Area proj | m² | 13,70 | 15,75 | 17,80 |
| Span | m | 8,00 | 8,41 | 8,90 |
| Span proj | m | 6,40 | 6,70 | 7,10 |
| Ratio | 4,00 | 4,00 | 4,00 | |
| Ratio proj | 3,01 | 3,01 | 3,01 | |
| Rows | 3 | 3 | 3 | |
| Boxes | 23 | 23 | 23 | |
| Cells | 26 | 26 | 26 | |
| Closed Cells | 4 | 4 | 4 | |
| Lines Ø diam. | 2,1 mm; 1,5 mm; 1,3 mm; 1,1 mm | 2,1 mm; 1,5 mm; 1,3 mm; 1,1 mm | 2,1 mm; 1,5 mm; 1,3 mm; 1,1 mm | |
| Lines distance | m | 4,63 | 4,93 | 5,22 |
| Lines total | ||||
| Flattening | % | 14 | 12 | 11 |
| Accelerated speed | km/h | 52 | 52 | 52 |
| Basic speed | km/h | 38 | 38 | 38 |
| Minimum speed | km/h | 29 | 29 | 29 |
| Best-Sink-Rate | m/s | 2,2 | 1,8 | 1,4 |
| Best-Glide-Ratio | ||||
| GR/Fmax Estimations | p | 6,5 | 7,0 | 7,5 |
| Upper-Surface | Gelv. WTX 40 g/m² | Gelv. WTX 40 g/m² | Gelv. WTX 40 g/m² | |
| Under-Surface | Gelv. WTX 40 g/m² | Gelv. WTX 40 g/m² | Gelv. WTX 40 g/m² | |
| Lines type | Dyneema; Superaram | Dyneema; Superaram | Dyneema; Superaram | |
| Risers | 3(3A/4B/3C) | 3(3A/4B/3C) | 3(3A/4B/3C) | |
| Accelerator | Yes | Yes | Yes | |
| Trims | Yes | Yes | Yes | |
| Ears | Yes | Yes | Yes | |
| B Lines | Yes | Yes | Yes |