M/F Express P
| Route | - |
| IMO | 7302885 |
| Building year | 1973 / 1990 |
| Building yard | Schiffbau Gesellschaft Unterweser AG., Germany (#485) |
| Owner | ? |
| Operator | - |
| Length | 119,6 m |
| Breadth | 19,8 m |
| Draft | 4,9 m |
| GT | 7.819 |
| Machinery | 2 * Pielstick 12PC2V |
| Speed | 18,4 (Max: 19) kn. |
| Number of passengers | 1.822 |
| Number of beds | 560 |
| Number of cars | 230 |
| Lanemetres | 400 |
| Port of registry | Ulan Bator |
| Flag | Mongolia |
| Former names | Express Poseidon (1999-2005) - Hellas Ferries Poseidon Express 2 (1996-1999) - Arkadia Lines Dimitrios Express (1995-1996) - Arkadia Lines Kadia Express (1993-1995) - Arkadia Lines Dimitrios Express (1990-1993) - Arkadia Lines Saint Colum I (1988-1990) - Belfast Car Ferries Saint Colum I (1988) - B&I Line Saint Colum I (1982-1988) - Belfast Car Ferries Saint Columb (1982) - Belfast Car Ferries Saint Patrick (1981-1982) - Irish Ferries Saint Patrick (1980-1981) - B&I Line Saint Patrick (1979-1980) - Irish Ferries Saint Patrick (1979) - Normandy Ferries Saint Patrick (1973-1979) - Irish Ferries |
| Former owners | Hellas Ferries (1999-2005) Arkadia Lines (1990-1999) Belfast Car Ferries (1982-1990) Irish Continental Shipping Co. Ltd. (1973-1982) |
| Sister ships | Beauport, |
| Notes | Sold in 2005, to scrapping in India. |
- M/F Dimitrios Express
Photo: Arkadia Lines
- M/F Poseidon Express 2
Photo: George (Piraeus)
- M/F Poseidon Express 2
Photo: George (Piraeus)
- M/F Express Poseidon
Photo: Hellas Ferries
- M/F Express Poseidon
Photo: George (Piraeus May 2000)
- M/F Express Poseidon
Photo: Roberto Forti (Santorini 1/9-2004)
- M/F Express Poseidon
Photo: Roberto Forti (Santorini 1/9-2004)