|   HDMS Thetis on anti-pirate duties off the coast of Kenya, 2008.  | |
| History | |
|---|---|
| Name | Thetis | 
| Laid down | 10 October 1988 | 
| Launched | 14 July 1989 | 
| In service | 1 July 1991 | 
| Identification | 
  | 
| Status | in active service | 
| General characteristics | |
| Class & type | Thetis-class frigate | 
| Type | Off Shore Patrol Frigates | 
| Displacement | 3,500 tons full load | 
| Length | 112.3 m (368 ft 5 in) | 
| Beam | 14.4 m (47 ft 3 in) | 
| Height | 37.0 m (121 ft 5 in) | 
| Draft | 6.0 m (19 ft 8 in) | 
| Installed power | 
  | 
| Propulsion | 
  | 
| Speed | >21.8 knots (40.4 km/h; 25.1 mph) | 
| Range | 8.700 nautical miles (16.112 km; 10.012 mi) at 15 knots (28 km/h; 17 mph) | 
| Endurance | 60 days | 
| Boats & landing craft carried  | 2 7m RHIBs | 
| Complement | 52 + aircrew and transients (accommodation for up to 101 in total) | 
| Sensors & processing systems  | 
  | 
| Electronic warfare & decoys  | 
  | 
| Armament | 
  | 
| Aircraft carried | 1 Westland Lynx Mk.90B helicopter. From approx. 2016: MH-60R | 
| Aviation facilities | Aft helicopter deck and hangar | 
HDMS Thetis is a Thetis-class ocean patrol vessel belonging to the Royal Danish Navy.
In mid-1990s the ship served as a platform for seismic operations in the waters near Greenland. In 2002 she took over the role from her sister ship Hvidbjørnen as a platform for Commander Danish Task Group. The role was handed over to Absalon in September 2007.
February - April 2008 Thetis served as a protection vessel against pirates for the World Food Programme chartered ships, carrying food aid, off the Horn of Africa. A squad of soldiers from the Frogman Corps was deployed aboard the ship. [1] [2]
In 2009 the ship served as staff ship for the NATO Mine Countermeasure Group 1.
In September 2025, the Thetis took part in the NATO Arctic Light exercise off Greenland. [3]