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PRIMO LONGOBARDO submarines (1948 - 1949 / 1972)


Photo



Gianfranco Gazzana Priaroggia 1978  

Ships


Name No Yard 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


Technical data


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)

Electronic equipment

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

Complement

86

Diving depth operational, m

135



Standard scale images


<i>Primo Longobardo </i>1975
Primo Longobardo 1975


Graphics


<i>Gianfranco Gazzana Priaroggia </i>1978  
Gianfranco Gazzana Priaroggia 1978  


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.