KLEONIKI
GRE FIRST 305Sail number GRE/GRE1112
Stored record updated May 13, 2026 UTC.
GPH
741.5
OSN
718.1
LOA
9.37 m
Displacement
4244 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6071
Medium
0.8325
High
0.9737
Triple Offshore
Low
0.7821
Medium
1.0335
High
1.1664
Boat Specifications
Dimensions
- Length overall
- 9.37 m
- Beam
- 3.22 m
- Draft
- 1.78 m
- Displacement
- 4244 kg
- Crew weight
- 300 kg
- Wetted surface
- 20.49 m²
Sails
- Mainsail
- 19.53 m²
- Genoa
- 23.68 m²
- Spinnaker
- 57.24 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- FIRST 305
- Builder
- BENETEAU
- Designer
- FINOT
- Year built
- 1988
Performance data
Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into Offwind or compatible navigation software.
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.26 | 4.51 | 4.7 | 4.67 | 4.78 | 4.64 | 4.21 | 3.6 |
| 8 | 5.02 | 5.28 | 5.52 | 5.63 | 5.8 | 5.66 | 5.17 | 4.56 |
| 10 | 5.64 | 5.92 | 6.12 | 6.3 | 6.42 | 6.35 | 6.03 | 5.38 |
| 12 | 6.06 | 6.26 | 6.43 | 6.59 | 6.75 | 6.7 | 6.5 | 6.1 |
| 14 | 6.27 | 6.45 | 6.62 | 6.7 | 7.02 | 6.99 | 6.81 | 6.51 |
| 16 | 6.35 | 6.56 | 6.77 | 6.87 | 7.24 | 7.29 | 7.1 | 6.8 |
| 20 | 6.37 | 6.6 | 6.96 | 7.19 | 7.5 | 7.78 | 7.74 | 7.36 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 44.1° | 2.76 | 147.5° | 3.12 |
| 8 | 41.8° | 3.34 | 151.4° | 3.95 |
| 10 | 41° | 3.75 | 153.2° | 4.67 |
| 12 | 41.7° | 4.08 | 156.8° | 5.35 |
| 14 | 41.3° | 4.29 | 180° | 5.97 |
| 16 | 40.9° | 4.37 | 180° | 6.41 |
| 20 | 41.7° | 4.33 | 180° | 6.96 |
VPP POLAR · BOAT SPEED BY TWAKT
Hover or tap the chart, or use the slider, to read boat speeds.
True wind speed 6 kt8 kt10 kt12 kt14 kt16 kt20 kt
Data table
| TWA | Boat speed in 6 kt (kt) | Boat speed in 8 kt (kt) | Boat speed in 10 kt (kt) | Boat speed in 12 kt (kt) | Boat speed in 14 kt (kt) | Boat speed in 16 kt (kt) | Boat speed in 20 kt (kt) |
|---|---|---|---|---|---|---|---|
| 0° | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| 52° | 4.26 | 5.02 | 5.64 | 6.06 | 6.27 | 6.35 | 6.37 |
| 60° | 4.51 | 5.28 | 5.92 | 6.26 | 6.45 | 6.56 | 6.60 |
| 75° | 4.70 | 5.52 | 6.12 | 6.43 | 6.62 | 6.77 | 6.96 |
| 90° | 4.67 | 5.63 | 6.30 | 6.59 | 6.70 | 6.87 | 7.19 |
| 110° | 4.78 | 5.80 | 6.42 | 6.75 | 7.02 | 7.24 | 7.50 |
| 120° | 4.64 | 5.66 | 6.35 | 6.70 | 6.99 | 7.29 | 7.78 |
| 135° | 4.21 | 5.17 | 6.03 | 6.50 | 6.81 | 7.10 | 7.74 |
| 150° | 3.60 | 4.56 | 5.38 | 6.10 | 6.51 | 6.80 | 7.36 |