Asagiri class destroyer
Encyclopedia
The Asagiri-class destroyer was built in the mid-1980s and late 1980s and is in service with the Japanese Maritime Self Defense Force.
This class of general purpose destroyer is almost extended version of its predecessor Hatsuyuki-class destroyers
Hatsuyuki class destroyer
The Hatsuyuki class destroyer is a class of Japanese destroyer, serving with the Japan Maritime Self-Defense Force . It was the third generation of general purpose destroyers, though like its predecessor, the , the main task is anti-submarine warfare. The class was completed between 1982 and 1987...
, and similarly, it mainly tasked with ASW
Anti-submarine warfare
Anti-submarine warfare is a branch of naval warfare that uses surface warships, aircraft, or other submarines to find, track and deter, damage or destroy enemy submarines....
and ASUW
Anti-Surface Warfare
Anti-surface warfare is a type of naval warfare directed against surface combatants. More generally, it is any weapons, sensors, or operations intended to attack or limit the effectiveness of an adversary's surface ships....
. There are many points enhanced as followes:
The COGAG propulsion system.
- Compared with the COGOG propulsion system of the
Gas turbine
A gas turbine, also called a combustion turbine, is a type of internal combustion engine. It has an upstream rotating compressor coupled to a downstream turbine, and a combustion chamber in-between....
s.
Advanced radar systems.
- This class is equipped with the new surface search radar, OPS-28. The OPS-28 is analogous to the American Target Acquisition System Mk.23 with the Track while scanTrack while scanThe track while scan is a mode of radar operation in which the radar allocates part of its power to tracking the target or targets while part of its power is allocated to scanning, unlike the straight tracking mode, when the radar directs all its power to tracking the acquired targets...
capability. And the latter batch of this class introduced the OPS-24 air search 3D radar3D radar3D radar provides for radar coverage on three dimensions unlike the more common 2D radar. While the normal 2D radar provides range and azimuth, the 3D radar provides elevation information with range and azimuth...
. The OPS-24 is the first shipboard active electronically scanned arrayActive Electronically Scanned ArrayAn Active Electronically Scanned Array , also known as active phased array radar is a type of phased array radar whose transmitter and receiver functions are composed of numerous small solid-state transmit/receive modules . AESAs aim their "beam" by broadcasting radio energy that interfere...
radar in the world.
The full-configuration destroyer CDS.
- This class is equipped with the OYQ-6/7 combat direction system (CDS). The OYQ-6 has two AN/USQ-20AN/USQ-20The AN/USQ-20, or Naval Tactical Data System , was designed as a more reliable replacement for the AN/USQ-17 with the same instruction set. The first batch of 17 computers were delivered to the Navy starting in early 1961. A version of the AN/USQ-20 for use by the other military services and NASA...
computers, and they were replaced by one AN/UYK-7AN/UYK-7The AN/UYK-7 was the standard 32-bit computer of the United States Navy for surface ship and submarine platforms, starting in 1970. It was used in the Navy's Aegis combat system and U.S. Coast Guard, and the navies of U.S. allies. It was also used by the U.S. Army...
computer in the OYQ-7 on the latter batch. The OYQ-6/7 can exchange tactical data via Link-11TADIL-ATADIL-A/Link 11 is a secure half-duplex TADIL radio link used by NATO that receives or transmits--but not both simultaneously--a sequential data exchange digital link. It exchanges digital information among airborne, land-based, and ship-board tactical data systems. It is the primary means to...
whereas the OYQ-5 tactical data processing system on the Hatsuyuki-class does not support. And later, all ships of this class back-fitted with the terminal for the MOF system, the key operational C4I system of the JMSDF which uses the SuperbirdSuperbirdSuperbird may refer to:* a fleet of satellites operated by Japanese communication satellite company SKY Perfect JSAT Group:** Superbird A1, a satellite put into orbit by an Ariane 4 launch in 1992* Plymouth Superbird, a 1970 Chrysler car...
SHFSHFSHF may refer to:* Super high frequency, radio frequencies in the range of 3 GHz and 30 GHz* Société de l'histoire de France, a society formed in 1833 to study French history* Souther-Hillman-Furay Band, a mid-1970s country-rock band....
-SATCOMSATCOMSATCOM or Satcom may refer to:* Short for Satellite Communications and used frequently in the context of VSAT * Communications satellites or comsats...
.
Enlarged aircraft facility.
- The hangar is enlarged in order to accommodate two helicopters, but in the operational configuration, there is only one.
Asagiri, Yugiri, and Amagiri were named after World War II destroyers. Amagiris World War II namesake rammed and sank PT-109.
The Yamagiri and Asagiri have been converted into training vessels.
Ships in the class
| Pennant no. | Name | Laid down | Launched | Commissioned | Builder | Home port | Note |
|---|---|---|---|---|---|---|---|
| DD-151 TV-3516 |
Asagiri | 19 September 1986 | 1988 | IHI Corporation, Tokyo | Kure Kure, Hiroshima is a city in Hiroshima prefecture, Japan.As of October 1, 2010, the city has an estimated population of 240,820 and a population density of 681 persons per km². The total area is 353.74 km².- History :... |
Converted to training vessel (TV-3516) on 16 February 2005 | |
| DD-152 TV-3515 |
Yamagiri | 10 October 1987 | 1989 | Mitsui, Tamano Mitsui Engineering & Shipbuilding is a Japanese company. It is listed on the Nikkei 225.Established in 1917 as the Shipbuilding Division of Mitsui & Co. with the first shipyard at Tamano City... |
Kure Kure, Hiroshima is a city in Hiroshima prefecture, Japan.As of October 1, 2010, the city has an estimated population of 240,820 and a population density of 681 persons per km². The total area is 353.74 km².- History :... |
Converted to training vessel (TV-3515) on 18 March 2004, re-converted to DD-152 on March 2011 |
|
| DD-153 | Yūgiri | 21 September 1987 | 1989 | Sumitomo Heavy Industries Sumitomo Heavy Industries Sumitomo Heavy Industries, Ltd. is an integrated manufacturer of industrial machinery, automatic weaponry, ships, bridges and steel structure, equipment for environmental protection, including recycling, power transmission equipment, plastic molding machines, laser processing systems, particle... Uraga Shipyard |
Ominato | ||
| DD-154 | Amagiri | 9 September 1987 | 1989 | IHI Corporation | Maizuru | ||
| DD-155 | Hamagiri | 4 June 1988 | 1990 | Hitachi, Maizuru | Ominato | ||
| DD-156 | Setogiri | 12 September 1988 | 1990 | Hitachi, Maizuru | Ominato | ||
| DD-157 | Sawagiri | 25 December 1988 | 1990 | Mitsubishi Heavy Industries Mitsubishi Heavy Industries , or MHI, is a Japanese company. It is one of the core companies of Mitsubishi Group.-History:In 1870 Yataro Iwasaki, the founder of Mitsubishi took a lease of Government-owned Nagasaki Shipyard. He named it Nagasaki Shipyard & Machinery Works, and started the shipbuilding business on a full scale... Nagasaki Shipyard |
Sasebo Sasebo, Nagasaki is a city located in Nagasaki Prefecture, Japan. As of 2011, the city has an estimated population of 259,800 and the density of 609 persons per km². The total area is 426.47 km². The locality is famed for its scenic beauty. The city includes a part of Saikai National Park... |
||
| DD-158 | Umigiri | 11 September 1989 | 1991 | IHI Corporation | Kure Kure, Hiroshima is a city in Hiroshima prefecture, Japan.As of October 1, 2010, the city has an estimated population of 240,820 and a population density of 681 persons per km². The total area is 353.74 km².- History :... |