Diesel-electric submarine JS Seiryū (SS 509)

Diesel-electric submarine JS Seiryū (SS 509) 0Diesel-electric submarine JS Seiryū (SS 509) 1Diesel-electric submarine JS Seiryū (SS 509) 2

Classification

Basic information

Namesake:
Mythological creature
Country of build:
Laid down:
Launched:
Commissioned (service):
Status:

Ship measurements

Displacement:
2,900 t
Submerged displacement:
4,200 t
Length:
84 m
Beam:
9.1 m
Draft:
8.5 m

Machine

Propulsion:
  • 1 * shaft
  • 2 * Kawasaki 12V 25/25 SB-type diesel engines diesel-electric
  • 4 * Kawasaki Kockums V4-275R Stirling engines
  • 3,900 hp (2,900 kW) surfaced
  • 8,000 hp (6,000 kW) submerged
Speed:
13 knots
Submerged speed:
20 knots
Test depth:
250 m
Operating depth:
500 m
Range:
AIP endurance (est.): 6100 nautical miles (11297.2 km; 7060.75 miles) at 6.5 knots (12 km/h; 7.48 mp/h)

Personnel

Complement:
65

Combat assets

Electronics:
  • ZPS-6F surface/low-level air search radar
  • Hughes/Oki ZQQ-7 Sonar suite:
  • 1 * bow-array
  • 4 * LF flank arrays
  • 1 * Towed array sonar
  • ZLR-3-6 ESM equipment
  • 2 * 3-inch underwater countermeasure launcher tubes for launching of Acoustic Device Countermeasures
Armament:
  • 6 * HU-606 21 in (533 mm) torpedo tubes with 30 reloads for:
  • 1) Type 89 torpedo
  • 2) Harpoon (missile)
  • Mines
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