KLEONIKI
GRE FIRST 305Sail number GRE/GRE1112
Stored record updated May 13, 2026 UTC.
GPH
739.2
OSN
713.1
LOA
9.37 m
Displacement
4243 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5419
Medium
0.7504
High
0.8714
Triple Offshore
Low
0.6974
Medium
0.9236
High
1.0348
Boat Specifications
Dimensions
- Length overall
- 9.37 m
- Beam
- 3.22 m
- Draft
- 1.78 m
- Displacement
- 4243 kg
- Crew weight
- 400 kg
- Wetted surface
- 20.32 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 | 4.3 | 4.54 | 4.68 | 4.66 | 4.75 | 4.6 | 4.14 | 3.53 |
| 8 | 5.15 | 5.39 | 5.56 | 5.64 | 5.78 | 5.64 | 5.16 | 4.54 |
| 10 | 5.72 | 5.93 | 6.1 | 6.23 | 6.37 | 6.3 | 5.98 | 5.39 |
| 12 | 6.06 | 6.24 | 6.4 | 6.53 | 6.71 | 6.67 | 6.45 | 6.06 |
| 14 | 6.25 | 6.42 | 6.6 | 6.67 | 6.95 | 6.94 | 6.77 | 6.48 |
| 16 | 6.34 | 6.53 | 6.74 | 6.82 | 7.16 | 7.19 | 7.05 | 6.77 |
| 20 | 6.38 | 6.59 | 6.91 | 7.1 | 7.41 | 7.66 | 7.62 | 7.29 |
| 24 | 6.34 | 6.59 | 6.97 | 7.28 | 7.57 | 7.96 | 8.29 | 7.88 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 44.2° | 2.8 | 146.6° | 3.05 |
| 8 | 42.1° | 3.44 | 150.1° | 3.93 |
| 10 | 40.8° | 3.88 | 152.9° | 4.68 |
| 12 | 40.1° | 4.19 | 158.3° | 5.34 |
| 14 | 39.8° | 4.36 | 171.8° | 5.91 |
| 16 | 39.5° | 4.43 | 177.7° | 6.34 |
| 20 | 39.8° | 4.43 | 179° | 6.9 |
| 24 | 41.1° | 4.32 | 178.8° | 7.39 |
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 kt24 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) | Boat speed in 24 kt (kt) |
|---|---|---|---|---|---|---|---|---|
| 0° | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| 52° | 4.30 | 5.15 | 5.72 | 6.06 | 6.25 | 6.34 | 6.38 | 6.34 |
| 60° | 4.54 | 5.39 | 5.93 | 6.24 | 6.42 | 6.53 | 6.59 | 6.59 |
| 75° | 4.68 | 5.56 | 6.10 | 6.40 | 6.60 | 6.74 | 6.91 | 6.97 |
| 90° | 4.66 | 5.64 | 6.23 | 6.53 | 6.67 | 6.82 | 7.10 | 7.28 |
| 110° | 4.75 | 5.78 | 6.37 | 6.71 | 6.95 | 7.16 | 7.41 | 7.57 |
| 120° | 4.60 | 5.64 | 6.30 | 6.67 | 6.94 | 7.19 | 7.66 | 7.96 |
| 135° | 4.14 | 5.16 | 5.98 | 6.45 | 6.77 | 7.05 | 7.62 | 8.29 |
| 150° | 3.53 | 4.54 | 5.39 | 6.06 | 6.48 | 6.77 | 7.29 | 7.88 |