Kingston class patrol vessel

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HMCS Brandon(MM 710)

HMCS Brandon
Canada Canada
Builders: Halifax Shipyards in Halifax, Nova Scotia
Operators: Canadian Forces Maritime Command
Preceding class: Bay-class minesweepers
Commissioned: 21 September 1996
Ships in Class
Ships in class: 12
Ships in active service: Kingston, Glace Bay, Nanaimo, Edmonton, Shawinigan, Whitehorse, Yellowknife, Goose Bay, Moncton, Saskatoon, Brandon, Summerside
General Characteristics
Class type: Patrol boat & minesweeper (MM)
Displacement: 970 tons
Length: 55.3 m
Beam: 11.3 m
Draught: 3.4 m
Propulsion and power: 2 x Jeumont DC electric motors
4 x 600VAC Wartsila SACM V12 diesel alternators
Speed: 15+ knots
Range: 5,000 nautical miles
Capacity: 47
Complement: 31
Armament: 1 x Bofors 40 mm 60 Mk 5C cannon
2 x M2 Machine Guns
Sensors: Kelvin Hughes navigation radar (I-band)
Kelvin Hughes 6000 surface search radar (E-F band)
Global Positioning System
A towed high-frequency sidescan sonar
Remote-control Mine Hunting System (RMHS)

The Kingston-class consists of 12 naval patrol vessels of Canadian Forces Maritime Command constructed under the Maritime Coastal Defense Vessel (MCDV) project. The multi-role vessels were built and launched from the mid- to late-1990s and are crewed entirely by members of the Naval Reserve, with the exception of two regular-force technicians. Their main missions are coastal surveillance, sovereignty patrol, route survey and training. They were designed with a minesweeping role in mind and are consequently classified as Mechanical Minesweepers (MM), but this role has been moved away from due to the evolving nature of mine warfare. The possibility of acquiring the gear necessary to undertake a more appropriate mine hunting role continues to be examined.

Contents

The Kingston-class patrol vessels have many admirable qualities, including crew comfort and ship manoeuvrability, but they represent some design compromises. The program was conceived to advance the use of commercial, off-the-shelf (COTS) equipment and construction techniques in a ship designed to military specifications.

While the Z-drive thrusters make the Kingston-class vessels extremely manoeuvrable (able to turn within their own shiplengths) and the engines are quite powerful and fuel-efficient, the hull shape, with a blunt stern designed for minesweeping, prevents the ship from achieving a "sprint" speed and the patrol vessels of other nations are considerably faster. However, the Kingstons' top speed is faster than that of most mine warfare vessels and is comparable to most large non-naval sea-going vessels.

The hull is a longitudinally framed structure and has been designed to minimise steel weight. The design was based on a hard chine hull form. The construction involved initial production of partially outfitted steel modules which were made into sub-assemblies and then integrated into the ship. The decks were assembled upside down with pre-outfitting of the underside of the deck prior to installation on the ship.

The ships are equipped with a Bofors 40 mm Model 60 Mk 5C rapid fire gun, and two 12.7 mm (50 cal) machine guns. The Bofors gun is mounted on the forecastle deck and the arc of fire extends forwards by +/- 120°. The machine guns are mounted one either side at the front of the bridge deck. In a depressed position each machine gun fires in an arc of fire of 118°.

The ship can be equipped with one of three modular mine countermeasures systems: the deep sea Thales MMS mechanical mine sweeping system, the route survey system, or the Sutec remotely operated vehicle (ROV) mine inspection system.

The navigation equipment includes a Kelvin Hughes I-band navigation radar and a Global Positioning System. The surface search radar is the E to F-band Kelvin Hughes 6000. A towed high-frequency sidescan sonar can be fitted for bottom mapping and a Remote-control Mine Hunting System (RMHS) can be fitted for mine hunting.

The ship is equipped with four main Wartsila UD 23V12 diesel motors and four alternators and two Jeumont electric motors (600 V DC). The two LIPS Z drive azimuth thrusters are fitted with fixed-pitch reversing propellers. The propulsion system provides 15 knots maximum continuous speed. The range at the economical cruising speed of 9 knots using two engines is 5000 nautical miles with a 20% margin in tank capacity. Mechanical minesweeping is carried out at 8 knots. The crash stop length is 5 ship lengths from a speed of 15 knots

The navy is discarding its $100M mid-life refit plan for the twelve Kingston class MCDVs[citation needed]. Instead, MCDVs will be replaced by new vessels to enter service in 2020[citation needed]. It had been intended to retain the ‘mid-lifed’ Kingstons until 2045-2055 but, after its review planners concluded that the decade-old MCDVs did not warrant a refit. Maritime staff listed low speed and small size as reasons for the MCDV being inadequate for patrol duties (both are factors of the original specification)[citation needed]. Patrol and training were tacked onto the mine-countermeasures role and lack of serious armament is listed as the major limitation for sovereignty patrol duties[citation needed]. The Kingston Class is armed with twin 12.7mm (50 cal) M2HB machine guns on either side of the bridge but the main armament is a Bofors 40mm L/60 Mk 5NC, a significantly refitted version of a gun dating from 1944. A replacement for this gun (the OTO Melara 12.7 mm RCHMG) is being trialed.[1]

  • Propulsion: Dual azimuthing Z-drives with five-bladed propellers ("rudder propellers") driven by two Jeumont DC electric motors powered by four 600VAC Wartsila SACM V12 diesel alternators
  • Length: 55.3 m
  • Beam: 11.3 m
  • Draft: 3.4 m
  • Displacement: 970 tonnes (full load)
  • Speed: 15+ knots
  • Range: 5000nm at 8 knots, or 4500nm at 11 knots
  • Complement: Minimum crew of 31 (peacetime cruising), or up to 47 with the accommodations payload embarked
  • Armament: 40 mm Bofors Mk 1NC Automatic Cannon, 2 x .50 caliber Heavy Machine Guns

  • Thales Mechanical Minesweeping System
  • Klein and Macdonald-Dettwiler Route Survey Towfish system
  • DSIS Deep Sea Intervention System (deep water remotely operated vehicle)
  • Phantom Remotely Operated Vehicle
  • SUBSAR Submarine Rescue Package
  • Diving Support
  • Accommodations Payload

Other payloads - including mine hunting gear - are undergoing study and development.

There are twelve Kingston-class ships in Canadian service:














 
Kingston-class coastal defence vessel

Kingston | Glace Bay | Nanaimo | Edmonton | Shawinigan | Whitehorse | Yellowknife | Goose Bay | Moncton | Saskatoon | Brandon | Summerside

List of ships of the Canadian Navy
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