Harushio-class Patrol Submarine

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The Harushio-class patrol submarine is a Japanese diesel-electric submarine class operated by the JMSDF. The design is an evolution from the Yūshio-class being slightly larger and with better noise reduction. The Asashio, has been modified to test Air-independent propulsion (AIP). They are succeeded by the Oyashio and Souryuu-class submarines.

Specifications[edit | edit source]

Harushio-class[edit | edit source]

  • Type: Patrol Submarine
  • Service Period: 1990-Present
  • Characteristics
    • Length: 252 feet 7.5 inches (77 meters)
    • Beam: 32 feet 9.7 inches (10 meters)
    • Draught: 25 feet 3.15 inches (7.7 meters)
    • Displacement: 2,450 tonnes (surfaced), 2,750 tonnes (submerged)
  • Crew: 75 (10 officers and 65 enlisted)
  • Propulsion: 1-shaft diesel-electric, 3,400 SHP (surfaced), 7,200 SHP (submerged)
  • Speed (Submerged): 20 knots (37.05 km/h)
  • Speed (Surfaced): 12 knots (22.23 km/h)
  • Sensor Suite:
    • JRC ZPS-06 I-band search radar
    • Hughes/Oki ZQQ-05B hull mounted sonar
    • ZQR-01 towed array
  • Armament:
    • 6× 21 in (533 mm) torpedo tubes with 20 reloads for Type 80 ASW torpedoes, Type 89 torpedoes, and UGM-84 Harpoon AShMs

JDS Asashio[edit | edit source]

  • Type: AIP Propulsion Testbed
  • Service Period: 1997-Present
  • Characteristics:
    • Length: 285 feet 5.2 inches (87 meters)
    • Beam: 32 feet 9.7 inches (10 meters)
    • Draught: 25 feet 3.15 inches (7.7 meters)
    • Displacement: 2,560 tonnes (surfaced), 2,850 tonnes (submerged), 2,900 tonnes (surfaced, April 2002
  • Crew: 71
  • Propulsion: 1-shaft diesel-electric, 3,400 SHP (surfaced), 7,200 SHP (submerged), AIP System
  • Speed (Submerged): 20 knots (37.05 km/h)
  • Speed (Surfaced): 12 knots (22.23 km/h)
  • Sensor Suite:
    • JRC ZPS-06 I-band search radar
    • Hughes/Oki ZQQ-05B hull mounted sonar
    • ZQR-01 towed array
  • Armament:
    • 6× 21 in (533 mm) torpedo tubes with 20 reloads for Type 80 ASW torpedoes, Type 89 torpedoes, and UGM-84 Harpoon AShMs

Unit Run[edit | edit source]

  • JDS Harushio (SS-583)
  • JDS Natsushio (SS-584)
  • JDS Hayashio (SS-585/TSS-3606)
  • JDS Arashio (SS-586)
  • JDS Wakashio (SS-587)
  • JDS Fuyushio (SS-588/TSS-3607)
  • JDS Asashio (SS-589/TSS-3601)