HDMS Ravnen

NRP Douro (P591) (ex-HDMS Ravnen (P560)) is a former patrol boat of the Royal Danish Navy. Since 2015 she is in service with the Portuguese Navy.

Sistership HDMS Storen
History
Denmark
Name	Ravnen
Namesake	Raven in Danish
Builder	Danyard A/S, Frederikshavn
Launched	1994
Commissioned	7 October 1994
Decommissioned	7 October 2010
Identification	Hull number: P560
Fate	Sold to Portugal
Portugal
Name	Douro
Acquired	October 2014
Commissioned	2015
Identification	Hull number: P591
Status	In service
General characteristics [1][2][3]
Class & type	Flyvefisken-class patrol vessel
Displacement	400 tonnes (394 long tons)
Length	54 m (177 ft 2 in)
Beam	9 m (29 ft 6 in)
Draught	3.60 m (11 ft 10 in)
Propulsion	2× MTU 16V 396TB94 diesel engines (5,440 hp (4,060 kW) total) 1× General Electric LM500 gas turbine (5,450 hp (4,060 kW)) 3× Rexroth auxiliary engines
Speed	20 knots (37 km/h; 23 mph) (28 knots (52 km/h; 32 mph) with gas turbine)
Range	2,000 nmi (3,700 km)
Boats & landing craft carried	1x RHIB
Complement	19
Sensors & processing systems	1× Furuno navigation radar 1× Terma Scanter mil surface radar 1× Flexfire fire control radar
Armament	Guns 1× OTO Melara 76 mm/62 gun 2× 12.7 mm machine guns Missiles FIM-92 Sea Stinger (in MCM role) 12x RIM-162 Evolved Sea Sparrow (in combat role) 8× RGM-84 Harpoon (in combat role) Torpedoes 4× MU90 torpedoes (in combat role)

History

She is the fourth ship from series 2 of the Flyvefisken class, which is also known as the Standardflex 300 or SF300 class. She was launched in 1994, with the commissioning taking place on 7 October 1994.

In October 2014, Ravnen was sold to the Portuguese Navy together with four other ships of the class. She was renamed Douro. After a refit she was commissioned in 2015.