J Boats J/30
| Length | |
| Hull Type | Fin w/ Rudder on Skeg |
| Rigging Type | Masthead Sloop |
| LOA | 29.90' (9.14m) |
| S.A. | 384.00 sq ft (35.67 m2) |
| Beam | 11.18' (3.40m) |
| Displacement | 7000 lbs / 3175 kgs |
| Ballast | 3000 lbs / 1361 kgs |
| Designer | Rod Johnstone |
| First Built | 1977 |
| Length | |
| Hull Type | Fin w/ Rudder on Skeg |
| Rigging Type | Masthead Sloop |
| LOA | 29.90' (9.14m) |
| S.A. | 384.00 sq ft (35.67 m2) |
| Beam | 11.18' (3.40m) |
| Displacement | 7000 lbs / 3175 kgs |
| Ballast | 3000 lbs / 1361 kgs |
| Designer | Rod Johnstone |
| First Built | 1977 |