GUPPY IB
| Type |
SS |
| Country |
USA |
| Displacement (t) |
2,440 |
| Length (m) |
94.9 |
| Beam (m) |
8.3 |
| Draft (m) |
4.7 |
| Height (m) |
8.3 |
| Max speed submerged (kn) |
15.0 |
| Max speed surfaced (kn) |
18.0 |
| Max safe depth (m) |
122 |
| Endurance (days) |
75 |
| Diesel-electric |
Yes |
| Titanium hull |
No |
| Class year |
1954 |
Individual hulls (8)
| Name |
Short name |
Country |
Commissioned |
Decommissioned |
Remark |
| Enrico Tazzoli |
Enrico Tazzoli |
Italy |
— |
— |
|
| HNLMS Walrus |
HNLMS Walrus |
Netherlands |
— |
— |
|
| HNLMS Zeeleeuw |
HNLMS Zeeleeuw |
Netherlands |
— |
— |
|
| Leonardo da Vinci |
Leonardo da Vinci |
Italy |
— |
— |
|
| SS-220 Barb |
USS Barb |
USA |
— |
— |
|
| SS-247 Dace |
USS Dace |
USA |
— |
— |
|
| SS-366 Hawkbill |
USS Hawkbill |
USA |
1951-01-01 |
1953-04-01 |
|
| SS-367 Icefish |
USS Icefish |
USA |
1951-01-01 |
1953-02-01 |
|