SSBN 627 James Madison
SSBN 627
SSBN 627 James Madison (1964)
| Type | SSBN |
|---|---|
| Country | USA |
| Displacement (t) | 8,250 |
| Length (m) | 130.0 |
| Beam (m) | 10.0 |
| Draft (m) | 8.7 |
| Height (m) | 10.0 |
| Max speed submerged (kn) | 21.0 |
| Max speed surfaced (kn) | 16.0 |
| Max safe depth (m) | 305 |
| Endurance (days) | 60 |
| Nuclear reactors | 1 |
| Titanium hull | No |
| Class year | 1964 |
Sensors
Sonar (8)
| Name | Type | Platform | Passive range (km) | Active range (km) |
|---|---|---|---|---|
| BQR-2B | H | sub | 1.3 | — |
| BQR-7 | F | sub | 2.6 | — |
| BQS-4 | H | sub | — | 1.7 |
| BSH-2 | ssp | sub | — | — |
| DUUG-2 | air | — | — | |
| OMA | cav | — | — | |
| UQG-1 | com | sub | — | — |
| UQN-1B | echo | sub | — | — |
Radar (1)
| Name | NATO name | Air search | Surface search | Fire control |
|---|---|---|---|---|
| BPS-11A | — | Yes | — |
Individual hulls (10)
| Name | Short name | Country | Commissioned | Decommissioned | Remark |
|---|---|---|---|---|---|
| SSBN-627 James Madison | SSBN-627 | USA | 1964-07-28 | 1981-11-01 | |
| SSBN-628 Tecumseh | SSBN-628 | USA | 1964-05-29 | 1977-01-01 | |
| SSBN-629 Daniel Boone | SSBN-629 | USA | 1964-04-23 | 1977-01-01 | |
| SSBN-630 John C. Calhoun | SSBN-630 | USA | 1964-09-15 | 1977-01-01 | |
| SSBN-631 Ulysses S. Grant | SSBN-631 | USA | 1964-07-17 | 1978-12-01 | |
| SSBN-632 Von Steuben | SSBN-632 | USA | 1964-09-30 | 1977-01-01 | |
| SSBN-633 Casimir Pulaski | SSBN-633 | USA | 1964-08-14 | 1983-01-01 | |
| SSBN-634 Stonewall Jackson | SSBN-634 | USA | 1964-08-26 | 1980-10-01 | |
| SSBN-635 Sam Rayburn | SSBN-635 | USA | 1964-12-02 | 1977-01-01 | |
| SSBN-636 Nathanael Greene | SSBN-636 | USA | 1964-12-19 | 1981-04-01 |