SSN 593 Permit

SSN 593

SSN 593 Permit (1961)

Type	SSN
Country	USA
Displacement (t)	4,310
Length (m)	84.9
Beam (m)	9.6
Draft (m)	7.7
Height (m)	9.6
Max speed submerged (kn)	32.0
Max speed surfaced (kn)	15.0
Max safe depth (m)	305
Endurance (days)	70
Nuclear reactors	1
Titanium hull	No
Class year	1962

Sensors

Sonar (9)

Name	Type	Platform	Passive range (km)	Active range (km)
BQQ-1 Active	Hull	sub	—	4.3
BQQ-1 AIR	Active Intercept		—	—
BQQ-1 Hull (BQR-7)	Flank	sub	2.6	—
BQQ-1 Sphere (BQS-6A)	Spherical	sub	2.6	—
BQS-14	Mine hunting	sub	—	0.9
BSH-2	ssp	sub	—	—
OMA	cav		—	—
UQG-1	com	sub	—	—
UQN-1B	Echo sounder	sub	—	—

Radar (3)

Name	NATO name	Air search	Surface search	Fire control
BLD-1		—	—	—
BPS-14		—	Yes	—
WLR-1		—	—	—

Launchers (2)

Name	Tubes	Fire control	Max launch depth (m)
533mm Torpedo Tube (forward) 4 Mk 113 Mod 2 305 1962 - 1962: 7 x Mk 16 Mod 0 , 16 x Mk 37 Mod 1 1963 - 1964: 7 x Mk 16 Mod 0 , 14 x Mk 37 Mod 1 , 2 x Mk 45 ASTOR 1965 - 1966: 5 x Mk 16 Mod 0 , 12 x Mk 37 Mod 1 , 2 x Mk 45 ASTOR , 4 x UUM-44A SUBROC 1967 - 1973: 5 x Mk 16 Mod 8 , 12 x Mk 37 Mod 2 , 2 x Mk 45 ASTOR , 4 x UUM-44A SUBROC 1974 - 1977: 14 x Mk 37 Mod 2 , 2 x Mk 45 ASTOR , 7 x Mk 48 Mod 1 , 4 x UUM-44A SUBROC 1978 - 1981: 7 x Mk 37 Mod 2 , 2 x Mk 45 ASTOR , 14 x Mk 48 Mod 2 , 4 x UUM-44A SUBROC 1982 - present: 2 x Mk 45 ASTOR , 17 x Mk 48 Mod 3 , 4 x UUM-44A SUBROC
Signal Ejector	2	—	305

Extendable devices (6)

Name	NATO name	Capabilities	Max depth (m)	Max speed (kn)
BPS-5 Radar	—	Radar	—	6.5
BRA-15 Radio Antenna	—	Radio (LF, MF, HF), Radio navigation	—	6.5
BRD-6 RDF	—	Direction finder	—	6.5
Snorkel	—	Snorkel	—	6.5
Type 8 search periscope	—	Periscope (observation)	—	6.5
WLR-1 ECM	—	ESM, Radio navigation	—	6.5

Towed devices (1)

Name	Type	NATO name	Towed decoy	Capabilities	Cable (m)	Depth (m)	Speed (kn)
Floating wire VLF (SUBTASK I)	Trailing wire	—	—	Receive, Radio (VLF, LF, Radio navigation)	549	91 – 37	2.3 – 9.0