Former auxiliar vessel 'Calmaria' (ex-UAM642) of the Portuguese Navy, formerly in use by the Maritime Police and now dismissed, being prepared for private use at the ANL shipyard (Belém, Lisbon harbour).

'Calmaria' was the first of a series of such vessels to be built for the Portuguese Navy, and gave the name to the class.

Main characteristics (at time of construction):
LOA: 11.9m
Beam: 3.8m
Draught: 0.7m
GT: 15.7 t
Main engine: 2 x diesel IZAR MAN D-2866 LXE
Main engine power: 2 x 881 HP
Propulsion: 2 hydrojets
Speed (max): 32 kn
Year of Build: 1992
Builder: RODMAN POLYSHIPS (VIGO, SPAIN)
Crew: 3