FLIGHT RISK
USA Ker 40+Sail number USA/HKG2300
GPH
495.7
OSN
483.5
LOA
12.616 m
Displacement
4321 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.8465
Medium
1.0907
High
1.2628
Triple Offshore
Low
1.084
Medium
1.3466
High
1.535
Boat Specifications
Dimensions
- Length overall
- 12.616 m
- Beam
- 4.23 m
- Draft
- 3.02 m
- Displacement
- 4321 kg
- Crew weight
- 935 kg
- Wetted surface
- 30.48 m²
Sails
- Mainsail
- 60.26 m²
- Genoa
- 42.95 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 187.04 m²
Design
- Type
- Ker 40+
- Builder
- McConaughey
- Designer
- Ker
- Year built
- 2011
- Stability index
- 129.6
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 | 7 | 7.35 | 7.59 | 7.48 | 7.24 | 7.07 | 6.34 | 5.3 |
| 8 | 7.92 | 8.17 | 8.38 | 8.31 | 8.34 | 8.32 | 7.92 | 6.75 |
| 10 | 8.27 | 8.56 | 8.92 | 8.96 | 9.01 | 9.18 | 8.81 | 7.88 |
| 12 | 8.47 | 8.81 | 9.31 | 9.57 | 9.53 | 9.89 | 9.77 | 8.75 |
| 14 | 8.61 | 8.99 | 9.59 | 10.08 | 10.01 | 10.5 | 10.87 | 9.59 |
| 16 | 8.72 | 9.12 | 9.8 | 10.46 | 10.53 | 11.11 | 12 | 10.67 |
| 20 | 8.81 | 9.27 | 10.09 | 11.03 | 12.03 | 12.31 | 13.86 | 13.57 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.4° | 4.64 | 142.1° | 4.59 |
| 8 | 39.4° | 5.47 | 145.1° | 5.85 |
| 10 | 37.6° | 5.83 | 149.2° | 6.82 |
| 12 | 37.2° | 6.02 | 151.6° | 7.59 |
| 14 | 36.9° | 6.14 | 148.7° | 8.31 |
| 16 | 36.6° | 6.21 | 146.4° | 9.24 |
| 20 | 36.6° | 6.23 | 146.4° | 11.75 |
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