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Portuguese Navy sends Tejo-class NRP Douro to Desertas Islands


According to a tweet published by the Portuguese Navy on August 23, 2021, Tejo-class NRP Douro is in the Desertas Islands. The ship will be committed to safeguarding human life in the sea, patrolling and surveillance of maritime spaces, in particular in the activity of fishing and suppression of illicit acts, in the control of navigation, prevention, and combating maritime pollution.
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Russian Vyborg Shipyard laid the Purga ice class coastguard ship of project 23550 925 001 Tejo-class coastal patrol vessel NRP Douro (Picture source: Twitter account of the Portuguese Navy)


The Flyvefisken-class patrol vessels ("Flying fish" in Danish) are warships of the Royal Danish Navy. The class is also known as the Standard Flex 300 or SF300 class. The five vessels sold to the Portuguese Navy are locally referred as Tejo class.

The Flyvefisken ships were constructed using an innovative modular design known as StanFlex: they have a standard hull in which containerized weapons or systems can be placed. This allows them to rapidly change roles, typically in 48 hours.

The containers measure 3.5 by 3 by 2.5 meters (11.5 ft × 9.8 ft × 8.2 ft). One container is situated on the foredeck; the other three go on the quarterdeck behind the superstructure and funnel. Furthermore, the ships are built using the sandwich principle - a layer of fiberglass on either side of a core of PVC cell foam. This forms the structure from keel to top of mast.