PIRATE
USA First 405 modSail number USA/USA25664
GPH
643.7
OSN
623.8
LOA
12.4 m
Displacement
8452 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6266
Medium
0.8524
High
0.9837
Triple Offshore
Low
0.8085
Medium
1.0559
High
1.1809
Boat Specifications
Dimensions
- Length overall
- 12.4 m
- Beam
- 3.91 m
- Draft
- 2.24 m
- Displacement
- 8452 kg
- Crew weight
- 657 kg
- Wetted surface
- 32.36 m²
Sails
- Mainsail
- 36.25 m²
- Genoa
- 50.92 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 99.62 m²
Design
- Type
- First 405 mod
- Builder
- Beneteau
- Designer
- Berret
- Year built
- 1985
- Stability index
- 123.1
Velocity Prediction
Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into WX Navigator or compatible navigation software.
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.16 | 5.44 | 5.62 | 5.58 | 5.38 | 5.16 | 4.62 | 3.92 |
| 8 | 6.11 | 6.36 | 6.52 | 6.61 | 6.48 | 6.31 | 5.79 | 5.01 |
| 10 | 6.72 | 6.9 | 7.04 | 7.19 | 7.16 | 7.07 | 6.69 | 5.92 |
| 12 | 7.05 | 7.21 | 7.35 | 7.52 | 7.55 | 7.5 | 7.24 | 6.61 |
| 14 | 7.23 | 7.39 | 7.55 | 7.75 | 7.85 | 7.82 | 7.61 | 7.03 |
| 16 | 7.33 | 7.5 | 7.71 | 7.93 | 8.1 | 8.11 | 7.91 | 7.35 |
| 20 | 7.42 | 7.61 | 7.91 | 8.18 | 8.53 | 8.7 | 8.53 | 7.83 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.5° | 3.38 | 145.1° | 3.4 |
| 8 | 41.4° | 4.11 | 146.9° | 4.34 |
| 10 | 40° | 4.63 | 146.9° | 5.13 |
| 12 | 38.8° | 4.98 | 147.8° | 5.72 |
| 14 | 38.2° | 5.16 | 149.6° | 6.09 |
| 16 | 37.6° | 5.26 | 171.2° | 6.59 |
| 20 | 37.6° | 5.34 | 174.8° | 7.35 |
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