| Ultralite 4 | 19 | 21 | 23 | 25 | |
| 2017 | 2017 | 2017 | 2017 | ||
| In-Flight-Weight | kg | 55 - 90 | 55 - 95 | 65 - 105 | 75 - 120 |
| Main-Use | Mountain | Mountain | Mountain | Mountain | |
| Certifications | |||||
| Naked-Pilot | kg | 40 - 75 | 40 - 80 | 50 - 90 | 60 - 105 |
| Wing-Load | kg/m² | 2,9 - 4,7 | 2,6 - 4,5 | 2,8 - 4,6 | 3,0 - 4,8 |
| Wing-Weight | kg | 2,0 | 2,2 | 2,4 | 2,6 |
| Area | m² | 19,00 | 20,90 | 23,00 | 25,20 |
| Area proj | m² | 16,70 | 18,30 | 20,20 | 22,10 |
| Span | m | 9,30 | 9,80 | 10,20 | 10,70 |
| Span proj | m | 7,60 | 7,90 | 8,30 | 8,70 |
| Ratio | 4,50 | 4,50 | 4,50 | 4,50 | |
| Ratio proj | 3,40 | 3,40 | 3,40 | 3,40 | |
| Rows | 3 | 3 | 3 | 3 | |
| Boxes | 31 | 31 | 31 | 31 | |
| Cells | 34 | 34 | 34 | 34 | |
| Closed Cells | 8 | 8 | 8 | 8 | |
| Lines Ø diam. | 1,3 mm; 1,0 mm; 0,8 mm; 0,5 mm | 1,3 mm; 1,0 mm; 0,8 mm; 0,5 mm | 1,3 mm; 1,0 mm; 0,8 mm; 0,5 mm | 1,3 mm; 1,0 mm; 0,8 mm; 0,5 mm | |
| Lines distance | m | 5,19 | 5,47 | 5,77 | 6,07 |
| Lines total | |||||
| Flattening | % | 12 | 12 | 12 | 12 |
| Accelerated speed | |||||
| Basic speed | |||||
| Minimum speed | |||||
| Best-Sink-Rate | |||||
| Best-Glide-Ratio | |||||
| GR/Fmax Estimations | |||||
| Upper-Surface | Dokdo 35 / 28 g/m² | Dokdo 35 / 28 g/m² | Dokdo 35 / 28 g/m² | Dokdo 35 / 28 g/m² | |
| Under-Surface | S7000-E71 26 g/m² | S7000-E71 26 g/m² | S7000-E71 26 g/m² | S7000-E71 26 g/m² | |
| Lines type | Edelrid 8000U | Edelrid 8000U | Edelrid 8000U | Edelrid 8000U | |
| Risers | 3(3A/3B/4C) | 3(3A/3B/4C) | 3(3A/3B/4C) | 3(3A/3B/4C) | |
| Accelerator | cm | 15 | 15 | 15 | 15 |
| Trims | No | No | No | No | |
| Ears | Yes | Yes | Yes | Yes | |
| B Lines | Yes | Yes | Yes | Yes |