No doubt the truest testament to the success of a vessel is the building of a sister ship - that has recently been demonstrated by the owners of the Porto Belo I that was launched in May 2008.

The company Maritima MDQ S.A. returned to the same builder, Astillero Naval Federico Contessi y Cia, SA, for a sister ship which was launched on 8 January 2011. Both vessels were built to a design owned by the shipyard.
The 23.98m x 6.7m Porto Belo II has a 125m3 fish hold capacity and tankage for 30,700l of fuel and 15,500l of potable water. Accommodation is provided for up to 10 crew in four bunk rooms with the skippers room aft of the wheelhouse and the balance in the aft hull.
Power is provided by a single six-cylinder Cummins KTA19M3 engine generating 600HP (447kW) at 1800RPM which turns a nozzled propeller through a Twin Disc reduction gear. This arrangement gives the vessel a 9.5-knot design speed when running light and up to 3.5 knots when towing a trawl.
Auxiliary power is provided by a Cummins 6CTA 8.3 G2 and a 4BTA 3.9 G4 engines.