PRINCE WILLIAM - IMO 9222326
| Name | : | PRINCE WILLIAM |
| Former names | : | Neptun Baroness (until 2001 Mars) |
| IMO number | : | 9222326 |
| Type | : | Brig / training ship |
| Built | : | 2001 |
| Length (o.a) | : | 59,4 m |
| Beam | : | 9,9 m |
| Draught | : | 4,5 m |
| Total sail surface | : | 1048 m2 |
| Capacity | : | 67 crew members (6 salaried crew, 11 volunteer crew, 48 trainees, 2 supernumeraries) |
| Owner | : | The Tall Ships Youth Trust, Portsmouth - United Kingdom |
| Flag | : | United Kingdom |
| Port of registry | : | Glasgow |
