patrol vessel
A patrol boat (also referred to as a patrol craft, patrol ship, or patrol vessel) is a relatively small naval vessel generally designed for coastal defence, border security, or law enforcement. There are many designs for patrol boats, and they ...
based on the Damen Stan 5009 design.
The ''Guardião'' is equipped with a vertically aligned "
axe bow
The axe bow is a wave-piercing type of ship's bow, characterised by a vertical stem and a relatively long and narrow entry (front hull). The forefoot is deep and the freeboard relatively high with little flare, so the bow profile resembles that ...
".Damen asserts that a vertical bow has an advantage over a traditional
clipper bow
The bow () is the forward part of the hull of a ship or boat, the point that is usually most forward when the vessel is underway. The aft end of the boat is the stern.
Prow may be used as a synonym for bow or it may mean the forward-most part o ...
, when piercing waves. The clipper bow has more buoyancy when it pierces a wave, which causes the bow to rise and fall with greater intensity—which triggers seasickness in susceptible individuals. ''Guardião'' was the first patrol vessel built to a Damen axe-bow design to be launched.
Her crew of 18 either have their own cabin, or share a double cabin.
The ship is equipped with a
stern launching ramp
Some modern patrol vessels are equipped with a stern launching ramp, or simply launching ramp, for deploying smaller rescue or pursuit boats without requiring the parent ship to first come to a halt.
Typically the smaller craft are powered b ...
, allowing it to deploy and retrieve a 7 metre high-speed daughter craft, without first coming to a stop. ''Guardião'' is equipped for the short-term seating of up to 76 individuals, in the case of at-sea rescues, or the interception of undocumented migrants.
Operational history
In 2016 ''Guardião'' participated in a joint
exercise
Exercise or workout is physical activity that enhances or maintains fitness and overall health. It is performed for various reasons, including weight loss or maintenance, to aid growth and improve strength, develop muscles and the cardio ...