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FIGHTING SHIPS OF THE WORLD
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SUBMARINES
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
Primo Longobardo 1975
Graphics
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.
