River-class frigate

This River-class frigate was purchased by the Dutch government when it was still at the dockyard.After her commissioning, she mainly escorted ships in the Atlantic and Mediterranean with the 37th Escort Group, of which her captain was the commander. She remained with this group until the end of 1944. She returned to England and was decommissiond, awaiting the surrender of Germany. Sailed to Holland after the war and served as a fishery-inspection-vessel for several years. Also served in the Far East during the Korean war.

Click to enlarge
Johan Maurits van Nassau in 1948. Note the radar dome above the bridge (Collection webmaster)

Construction details
Name Johan Maurits van Nassau (ex-HMS Ribble)
Dockyard William Simons, Renfrew, Scotland
Laid down December 29 1942
Launched April 23 1943
Commissioned June 25 1943
Pennant K.251
JO-1
PF-1
F-802

Specifications
Displacement 1493 t / 1994 t
Crew 140
Dimensions 91,91 x 11,16 x 4,35 m
Armament 2 x 102 mm HA/LA (2x1)
± 10 x 20 mm Oerlikon
ASW 8 depthchargethrowers
2 rails
1 Hedgehog
Asdic type 128 (standard for frigates)
Radar  

Propulsion details
Boilers 2 Admiralty 3 drum type
Machinery 2 triple expansion engines
Performance 5500 hp
Shafts 2
Range 7200 nautical miles at 12 knots
Bunkerage 460 tons
Max Speed 20 knots

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