<nowiki>IMO 5300223; ship built in 1939; Rosa Maria; Rosmari; Rosemarie; Niagara</nowiki>
- Type: General cargo ship
- Built by: Gebr. Bodewes, Scheepswerf 'Volharding', Foxhol
- Yard No: 99
- Keel laid:
- Launched: 1938.05
- Delivered: 1938.08.04
- Length over all: 47.00 m
- Beam: 7.85 m
- Draught: 2.41 m
- GRT: 399
- NRT: 270
- DWT: 510
- Capacity: 29000 cbft (grain)
- Engine: Werkspoor, nr. 766, type TMAS306 (300x480), 360 bhp @ 300 rpm
- Speed: 9.5 kn
- Lloyd's Register of Shipping, 1979
- www.marhisdata.nl
- 1939.08 Named Niagara; Flag: Netherlands
- Call sign: PGGE
- Port: Groningen
- Owner: Berend Bosma, Groningen
- 1940.02 Renamed Rosemarie; Flag: Netherlands
- Call sign: PHDV
- Port: Rotterdam
- Owner: Lijn Transport Onderneming N.V., Rotterdam
- 1951.08 Owner: Scheepvaartbedrijf 'Intercoast' N.V., Rotterdam
- 1954.03 Owner: Schellen Scheepvaart en Bevrachting N.V., Rotterdam
- 1959.10 Renamed Rosmari; Flag: Finland
- Call sign: OGAV
- Port: Mariehamn
- Owner: Rederi A/B Rosmari, Mariehamn
- 1972 Name retained Rosmari; Flag: Greece
- Call sign: SVGJ
- Port: Piraeus
- Owner: Demetrios G. Kallimassias, Piraeus
- 1973 Renamed Rosa Maria; Flag: Spain
- Call sign: EDGU
- Port: Vigo
- Owner: Jesus de Labra y Hermanos S.R.C., Vigo
- 1980.04.15 Scrapping commenced by Navier de Galicia S.A., La Coruña
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