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Danish fishery inspection ship of theThetis class.
Built at Svendborg Værft 1992
Depl. 3600, L: 112, B: 14, D: 6, Sp: 21,5 kn
Helicopter: Westland Lynx
Photo: Tórshavn 4. june 2008

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Displacement, tons: 2,600 standard; 3,500 full load
Dimensions, feet (metres): 369.1 oa; 327.4 wl × 47.2 × 19.7 (112.5; 99.8 × 14.4 × 6.0)
Main machinery: 3 MAN/Burmeister & Wain Alpha 12V 28/32A diesels; 10,800 hp(m) (7.94 MW) sustained; 1 shaft; Kamewa cp prop; bow and azimuth thrusters; 880 hp(m) (647 kW), 1,100 hp(m) (800 kW)
Speed, knots: 20; 8 on thrusters
Range, n miles: 8,500 at 15.5 kt
Complement: 60 (12 officers) plus 30 spare berths

Missiles: SAM: 4 Stinger mountings (2 twin) on hangar roof near mast.
Guns: 1 OTO Melara 3 in (76 mm)/62; Super Rapid; dual purpose; 120 rds/min to 16 km (8.7 n miles); SAPOMER round weight 12.7 kg. 2-12.7 mm MGs.
Depth charges: 2 Rails (door in stern).
Countermeasures: Decoys: 2 Sea Gnat DL-12T 12-barrelled launchers for chaff and IR flares.
ESM: Racal Sabre; intercept.
Combat data systems: Terma TDS; SATCOM.
Weapons control: Bofors 9LV 200 Mk 3 director. FSI Safire surveillance director.
Radars: Air/surface search: Plessey AWS 6 [Ref 4]; G-band.
Surface search: Furuno 2135; E/F-band.
Navigation: Furuno 2115; I-band.
Fire control: CelsiusTech 9LV Mk 3; I/J-band.
Sonars: Thomson Sintra TSM 2640 Salmon; VDS; active search and attack; medium frequency.
C-Teck; hull-mounted; active search; medium frequency.

Helicopters: 1 Westland Lynx Mk 90B.

Programmes: Preliminary study by YARD in 1986 led to Dwinger Marine Consultants being awarded a contract for a detailed design completed in mid-1987. All four ordered in October 1987.
Modernisation: There are plans for a new air search radar and SAM in due course.
Structure: The hull is some 30 m longer than the decommissioned Hvidbjørnen class to improve sea-keeping qualities and allow considerable extra space for additional armament. The design allows the use of containerised equipment to be shipped depending on role and there is some commonality with the Flex 300 ships. The hull is ice strengthened to enable penetration of 1 m thick ice and efforts have been made to incorporate stealth technology, for instance by putting anchor equipment, bollards and winches below the upper deck. There is a double skin up to 2 m below the waterline. A rigid inflatable boarding craft plumbed by a hydraulic crane is fitted alongside the fixed hangar. The bridge and ops room are combined. Thetis was modified in the stern for seismological survey. Since these operations have terminated, the stern has been remodified to facilitate the ability to act as a command ship and to conduct training. Vaedderen modified to include laboratories and scientific equipment, including multibeam sonar.
Operational: Primary role is sovereignty patrol and fishery protection in the North Atlantic. Vaedderen is to operate in support of the Galathea III oceanographic project in 2006-07.

... Jane*s 2008 says.

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Navies of the World
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Rolf Guttesen
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