YDT-01-class diving support vessel

The YDT-01 class is a class of diving support vessel of the Japan Maritime Self-Defense Force (JMSDF).

JS YDT-03
Class overview
NameYDT-01
Builders
Built1999-2002
In commission2000-present
Planned6
Completed6
Active6
General characteristics
TypeDiving support vessel
Displacement
Length37.5 m (123 ft 0 in)
Beam6.8 m (22 ft 4 in)
Draft2.1 m (6 ft 11 in)
Depth3.7 m (12 ft 2 in)
Propulsion
Speed14 kn (26 km/h; 16 mph)
Complement33
Sensors and
processing systems
Armament1 × single Oerlikon 20mm gun

Development

Traditionally, an auxiliary vessel (YAS), which is a modified retired minesweeper, has been used to support the transportation and work of the Explosive Ordnance Corps (EOD). However, these boats are aging, and since they are modified boats, it has been pointed out that they are unreasonable in terms of placement and lack of equipment. For this reason, this model was planned as a purposefully newly designed ship.[1]

Construction was approved as a new ship type in 1998, and the first and second ships were laid down on June 14, 1999.[1][2]

Ships in the class

Name Builders Laid down Commissioned Home port
YDT 01 Yokohama Yacht Company, Yokohama June 1999 24 March 2000 Maizuru
YDT 02 Ominato
YDT 03 Maehata Shipbuilding, Nagasaki July 2000 24 March 2001 Yokosuka
YDT 04 April 2001 18 December 2001 Kure
YDT 05 April 2002 14 March 2003 Sasebo
YDT 06 Okinawa

Citations

  1. Kobayashi, Masanori (April 1999). 300-ton Underwater Disposal Mother Ship (New Ship of the Maritime Self-Defense Force), Ships of the World. Vol. 550. 300-ton Underwater Disposal Mother Ship (New Ship of the Maritime Self-Defense Force)", "Ships of the World. pp. 98–99. ISBN 978-1591149545.
  2. Wertheim, Eric (2013). The Naval Institute Guide to Combat Fleets of the World, 16th Edition. Naval Institute Press. pp. 378–379. ISBN 978-1591149545.
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