USS Pickerel (SS-524)

USS Pickerel. The three distinctive shark-fin domes are the PUFFS sonar.
History
United States
NameUSS Pickerel (SS-524)
BuilderPortsmouth Naval Shipyard, Kittery, Maine
Laid down8 February 1944
Launched15 December 1944
Commissioned4 April 1949
Decommissioned18 August 1972
Stricken5 December 1977
FateTransferred to Italy, 18 August 1972
History
Italy
NamePrimo Longobardo (S 501)
Acquired18 August 1972
StrickenEither 31 January 1980 or 31 May 1981
General characteristics (Completed as GUPPY II)
Class & typeTench-class diesel-electric submarine
Displacement
  • 1,870 tons (1,900 t) surfaced
  • 2,440 tons (2,480 t) submerged
Length322.2 ft (98.2 m)
Beam27 ft 4 in (8.33 m)
Draft17 ft (5.2 m)
Propulsion
  • 4 × Fairbanks-Morse Model 38D8-1⁄8 10-cylinder opposed piston diesel engines, equipped with a snorkel, driving electrical generators
  • 1 × 184 cell, 1 × 68 cell, and 2 × 126 cell GUPPY-type batteries (total 504 cells)
  • 2 × low-speed direct-drive Westinghouse electric motors
  • two propellers
Speed
  • Surfaced:
  • 18.0 knots (33.3 km/h) maximum
  • 13.5 knots (25.0 km/h) cruising
  • Submerged:
  • 16.0 knots (29.6 km/h) for 1⁄2 hour
  • 9.0 knots (16.7 km/h) snorkeling
  • 3.5 knots (6.5 km/h) cruising
Range15,000 nm (28,000 km) surfaced at 11 knots (20 km/h)
Endurance48 hours at 4 knots (7 km/h) submerged
Test depth400 ft (120 m)
Complement
  • 9–10 officers
  • 5 petty officers
  • 70 enlisted men
Sensors &
processing systems
  • WFA active sonar
  • JT passive sonar
  • Mk 106 torpedo fire control system
Armament
General characteristics (Guppy III)
Displacement
  • 1,975 tons (2,007 t) surfaced
  • 2,450 tons (2,489 t) submerged
Length321 ft (98 m)
Beam27 ft 4 in (8.33 m)
Draft17 ft (5.2 m)
Speed
  • Surfaced:
  • 17.2 knots (31.9 km/h) maximum
  • 12.2 knots (22.6 km/h) cruising
  • Submerged:
  • 14.5 knots (26.9 km/h) for 1⁄2 hour
  • 6.2 knots (11.5 km/h) snorkeling
  • 3.7 knots (6.9 km/h) cruising
Range15,900 nm (29,400 km) surfaced at 8.5 knots (16 km/h)
Endurance36 hours at 3 knots (6 km/h) submerged
Complement
  • 8–10 officers
  • 5 Chief petty officers
  • 70-80 enlisted men
Sensors &
processing systems
  • BQS-4 active search sonar
  • BQR-2B passive search sonar
  • BQG-4 passive attack sonar

USS Pickerel (SS-524), a Tench-class submarine, was the second ship of the United States Navy to be named for a young or small pike.

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