SIER - IMO 9075761- 
| Name | : | SIER |
| Former names | : | - |
| IMO number | : | 9075761 |
| Type | : | Ferry between Holwerd and Ameland |
| Built | : | 1995 |
| Length | : | 73,20 m |
| Beam | : | 15,90 m |
| Draught | : | 1,70 m |
| Speed | : | 10,8 knots |
| Capacity | : | 1200 passengers / 72 cars |
| Owner/manager | : | Rederij Wagenborg Passagiersdiensten BV - The Netherlands |
| Flag | : | The Netherlands |
| Port of registry | : | Ameland |
