HNoMS Oslo (F300)

HNoMS Oslo (pennant number F300) was an Oslo-class frigate of the Royal Norwegian Navy. The frigate was launched on 17 January 1964, and commissioned on 29 January 1968. Oslo ran aground near Marstein Island on 24 January 1994. One officer was killed in the incident. The next day, on 25 January, she was taken under tow. However as the situation deteriorated, the tow was let go and the frigate sank.

Norwegian frigate Oslo in the North Atlantic, October 1971.
History
Norway
NameOslo
NamesakeOslo
Ordered1960
BuilderNavy Main Yard, Karljohansvern, Horten, Norway
Laid down1963
Launched17 January 1964
Commissioned29 January 1968
IdentificationF300
FateSunk 25 January 1994
General characteristics
Class and typeOslo-class frigate
Displacement
  • 1,450 long tons (1,473 t) standard
  • 1,745 long tons (1,773 t) full load
Length
  • 93.9 m (308 ft 1 in) pp.
  • 96.6 m (316 ft 11 in) ao.
Beam11.2 m (36 ft 9 in)
Draught5.3 m (17 ft 5 in)
Propulsion
Speed25 knots (29 mph; 46 km/h)
Range4,500 nautical miles at 15 knots (8,300 km at 28 km/h)
Complement150
Sensors and
processing systems
  • Siemens/Plessey AWS-9 long range air search radar
  • Racal DeccaTM 1226 surface search radar in I band
  • Kongsberg MSI-90(U) tracking and fire control system
  • Raytheon Mk 95; I/J-band search and track radar for Sea Sparrow
  • Medium frequency Thomson-CSF Sintra/Simrad TSM 2633 combined hull and VDS active sonar
  • High frequency Terne III active sonar
Electronic warfare
& decoys
4 × Mark 36 SRBOC chaff launchers ESM: AR 700 suite
Armament
  • 2 × 3 in (76 mm) cannon
  • 1 × Bofors 40mm/70 anti-aircraft gun
  • 2 × 20 mm Rheinmetall anti-aircraft guns
  • 2 × 12.7 mm anti-aircraft guns
  • 6 × Penguin SSMs (usually not mounted)
  • 1 × 8-cell Raytheon RIM-7M Sea Sparrow Mk 29 SAM system
  • 6 × Kongsberg Terne ASW rocket-thrown depth charges
  • 2 × triple 324 mm (12.8 in) Mark 32 torpedo tubes (Sting Ray torpedoes)
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