Technical information
- Name: Kemi (1956-)
- Type: Lighthouse ship
- Home port: Kotka
- Completed: 1901
- Builder: Porin Konepaja
- Former names: Äransgrund (1901-21), Relandersgrund (1921-26), Relanderinmatala (1926-33), Rauma (1933-56)
- Lenght: 31.0
- Beam: 6.1
- Draught:
- Speed (knots):
- Owner: Suomen Merimuseo
- Former owners: Merenkulkuhallitus (?)
- A nice to know fact about the ship: Last steam operated lighthouse ship
- Engine type: Compound
- Engine built: 1901 (?)
- Engine manufacturer: Porin Konepaja (?)
- Engine power (ihp): 166
- A nice to know fact about the engine:
- Boiler type: Scotch marine boiler
- Boiler built: 1901
- Boiler manufacturer: ?
- Fuel: Coal
- Furnaces (number): 2
- Operating pressure (bar): ?
- Heating surface: ?
- A nice to know fact about the boiler:
