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fighting ships of the world

ITALIAN NAVY (ITALY)

SUBMARINES

PRIMO LONGOBARDO submarines (1948 - 1949 / 1972)

Primo Longobardo 1975

Name No Builder Laid down Launched Comm Fate
Primo Longobardo (ex-Pickerel) S501 Boston N Yd, Charlestown, USA 2/1944 15/12/1944 4/1949 // 18/8/1972 stricken 1/1980
Gianfranco Gazzana Priaroggia (ex-Volador) S502 Portsmouth N Yd, USA 6/1945 17/1/1946 10/1948 // 18/8/1972 stricken 5/1981

 

Displacement standard, t

 

Displacement normal, t

1975 / 2450

Length, m

99.5

Breadth, m

8.20

Draught, m

5.20

No of shafts

2

Machinery

4 Fairbanks-Morse diesel-generators / 4 electric motors

Power, h. p.

4610 / 5400

Max speed, kts

17.2 / 14.5

Fuel, t

diesel oil 378 - 472

Endurance, nm (kts) 11000 (10) / 96 (2)

Armament

10 - 533 TT (24 torpedoes or 40 mines, 6 bow, 4 stern)

Sensors

BPS-1, BPS-4, BPS-5 radars, BQR-2, BQS-2, SQR-3, BQG-4 PUFFS (most submarines),

Complement

86

Diving depth operational, m

135

   

Ship project history: These ex-USN Balao class submarines, had been given the GUPPY II modernization in 1952-54 and the very extensive GUPPY III modernization in 1961-63. These were the first foreign transfers of the US PUFFS (BQG-4) passive underwater fire control system.

Modernizations: None.

Naval service: No significant events.

Gianfranco Gazzana Priaroggia 1978

 

Ivan Gogin, 2017