River-class frigates were the first Royal Canadian Navy warships to carry the 147B Sword horizontal fan-beam active sonar transmitter, in addition to the regular ASDIC. This allowed the ship to maintain contact with targets even while firing, unless a target was struck.

2022年10月27日 · The River class Frigate is the British side of a two-prone allied answer to the Battle of the Atlantic. How to spare destroyers used for convoy escort against the U-Boat onlaught, freeing them for fleet tasks, with a tailored way.

The River class was a ship class of British-designed frigates built and operated during World War II. One hundred and fifty-one frigates were built, and these were operated by seven different nations during the war.

River class frigates offered the size, speed, and endurance of escort sloops using inexpensive reciprocating machinery of corvettes. River class were designed for North Atlantic weather conditions and included the most effective anti-submarine sensors and weapons.

The River-class frigate was a class of 151 frigates launched between 1941 and 1944 for use as anti-submarine convoy escorts in the North Atlantic. The majority served with the Royal Navy (RN) and Royal Canadian Navy (RCN), with some serving in the other Allied navies; the Royal Australian Navy...

Design of "River" class frigate was developed in 1941 when it became clear, that for service in Atlantic escorts larger than "Flower" class corvettes are required.

River-class frigates were the first Royal Canadian Navy warships to carry the 147B Sword horizontal fan echo sonar transmitter in addition to the irregular ASDIC. This allowed the ship to maintain contact with targets even while firing unless a target was struck.

Other than the warbuilt destroyers, these ships were the only ones to see service after the war in any great numbers, as 21 were converted into PRESTONIAN class frigates in the 1950s, and served until the mid-1960s. Several ships were also recommissioned during the late 1940s and early 1950s in their original configuration for use in the ...

The River class is a ship class of British-designed frigates built and operated during World War II. 151 frigates were built, and these were operated by seven different nations during the war. HMS...

To correct those problems, naval engineer William Reed designed a larger ship, the River class frigate. The frigate is faster, more comfortable and better armed than the corvette, with twice its autonomy; it can sail 13,335 miles at a speed of 12 knots.