SSN 688 Los Angeles

Los Angeles

SSN 688 Los Angeles

Type	SSN
Country	USA
Displacement (t)	6,977
Length (m)	110.0
Beam (m)	10.0
Draft (m)	9.4
Height (m)	10.0
Max speed submerged (kn)	32.0
Max speed surfaced (kn)	15.0
Max safe depth (m)	351
Endurance (days)	90
Propeller	1 x 7 bladed propeller
Nuclear reactors	1
Titanium hull	No
Navigation system	SINS Mk 2 (Inertial Navigation System)
Class year	1976

Sensors

Sonar (10)

Name	Type	Platform	Passive range (km)	Active range (km)
BQA-8A	cav	sub	—	—
BQH-7	ssxbt	sub	—	—
BQN-17	Echo sounder	sub	—	—
BQQ-5C/D Active	Hull	sub	—	4.7
BQQ-5C/D Hull	Flank	sub	3.2	—
BQQ-5C/D Sphere (BQS-13)	Spherical	sub	3.8	—
BQS-15	Mine detection	sub	—	0.9
DUUG-2	Active Intercept		—	—
TB-16D	Towed	sub	5.1	—
TB-23	Towed	sub	6.8	—

Radar (1)

Name	NATO name	Air search	Surface search	Fire control
BPS-15A		—	Yes	—

Launchers (2)

Name	Tubes	Fire control	Max launch depth (m)
533mm Torpedo Tube (forward) 4 Mk 117 366 1976 - 1976: 20 x Mk 48 Mod 2 , 6 x UGM-84A Harpoon 1977 - 1982: 20 x Mk 48 Mod 3 , 6 x UGM-84A Harpoon 1983 - 1987: 20 x Mk 48 Mod 4 , 6 x UGM-84A Harpoon 1988 - present: 20 x Mk 48 Mod 5 ADCAP , 6 x UGM-84A Harpoon
Signal Ejector	2	—	366

Extendable devices (7)

Name	NATO name	Capabilities	Max depth (m)	Max speed (kn)
BPS-15 Radar	—	Radar	—	7.5
BRA-34 Radio Antenna 1	—	Radio (VLF, LF, MF, HF, VHF, UHF), Radio navigation, Navsat, Satcom	—	7.5
BRA-34 Radio Antenna 2	—	Radio (VLF, LF, MF, HF, VHF, UHF), Radio navigation, Navsat, Satcom	—	7.5
BRD-7/BLD-1 ESM	—	ESM, Direction finder	—	7.5
Snorkel	—	Snorkel	—	7.5
Type 18 search periscope	—	Periscope (observation)	—	7.5
Type 2 attack periscope	—	Periscope (attack)	—	7.5

Towed devices (1)

Name	Type	NATO name	Towed decoy	Capabilities	Cable (m)	Depth (m)	Speed (kn)
OE-315 HSBCA	Trailing wire	—	—	Receive, Transmit, Radio (VLF, LF, MF, HF, Radio navigation)	549	91 – 37	2.3 – 9.0