Westerly Longbow 31
| Length | |
| Hull Type | Fin w/ Rudder on Skeg |
| Rigging Type | Masthead Sloop |
| LOA | 30.75' (9.37m) |
| S.A. | 426.00 sq ft (39.58 m2) |
| Beam | 9.67' (2.95m) |
| Displacement | 9120 lbs / 4136 kgs |
| Ballast | 4000 lbs / 1814 kgs |
| Designer | Laurent Giles |
| First Built | 1972 |