Mizuho at Port of Naha
Class overview
NameMizuho-class patrol vessel
Operators Japan Coast Guard
Preceded byMizuho class
Succeeded byShunkō class
Completed1
Active1
Laid up1
History
NameMizuho
Ordered2015
BuilderMitsubishi Heavy Industries Shimonoseki Shipyard
LaunchedNovember 9, 2018
CommissionedAugust 22, 2019
Identification
StatusActive
General characteristics
Tonnage6,000 GT
Length134 m (439 ft 8 in)
Beam15.8 m (51 ft 10 in)
Propulsion
Speed25 knots (46 km/h; 29 mph)
Armament
Aircraft carried2 × Bell 412 helicopters

The Japanese patrol boat Mizuho is a PLH type patrol vessels of the Japan Coast Guard. She is only ship in her class: the construction of a second ship was planned originally, but has not been achieved as of 2020 due to the start of construction of the Shunkō class and Reimei class.[1]

Design

Essentially, this ship is designed to be an enlarged version of the Kunigami class, with a helicopter deck and hangar as a successor to Mizuho (PLH-21).[2] As well as being a platform for helicopters, she also functions as a depot ship: replenishing fuel, potable water and stores to small patrol crafts and resting their crew. And as a frontline command center, she also has excellent command and control functions.[1][3]

She is armed with one Bofors L/70 40 mm gun (Bofors 40 Mk4) and one JM61-RFS 20 mm gun, each controlled by an electro-optical director.[3] The Sikorsky S-76D helicopters was supposed to be used as the shipboard helicopters,[2] but in actual, the Bell 412 helicopters were transferred directly from the PLH-21.[1][3]

References

Bibliography

  • "ヘリ搭載巡視船「みずほ」：下関で引き渡し式 来月、名古屋海保に配属" (in Japanese). Mainichi shinbun. 23 August 2019.
  • Kaijin-sha, ed. (July 2018). "Patrol Vessels - Ships of Japan Coast Guard". Ships of the World (in Japanese). Kaijin-sha (881): 39–90. NAID 40021585370.
  • Kaijin-sha, ed. (November 2019). "JCG's New PLH Mizuho PLH-41 Completed". Ships of the World (in Japanese). Kaijin-sha (911): 53–57. NAID 40022027891.
  • Kaijin-sha, ed. (October 2020). "Patrol Vessels - Ships of Japan Coast Guard". Ships of the World (in Japanese). Kaijin-sha (933): 39–90. NAID 40022358584.


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