1. Junkyard
  2. Submarine
  3. SSN 771 Columbia [Improved Los Angeles Class]

Basic Information

Category Submarine Type SSN - Nuclear Powered Attack Submarine
Year Commissioned 2003 Year Decommissioned 0
Nationality Junkyard Hypothetical No
Beam 10.1 m Draft 9.75 m
Height 0 m Length 109.7 m
Crew 129 people Damage Points (DP) 39
Standard Displacement 6330 tons Full Displacement 7177 tons
Empty Displacement 0 tons

Sensor Parameters

Model Purpose Range Scan Interval Generation
AN/TB-23/BQ TASS, Passive-Only Thin Line Towed Array Sonar System 0 - 70.00 nm 15 sec Early 1990s
AN/WLR-9A Acoustic Intercept & Torpedo Warning 0 - 15.00 nm 5 sec Early 1980s
AN/BPS-15A Radar, Surface Search, Medium-Range 0.10 - 90.00 nm 6 sec Late 1970s
AN/BRD-7 HF/DF 0 - 500.00 nm 20 sec Early 1970s
AN/TB-16D TASS, Passive-Only Fat Line Towed Array Sonar System 0 - 70.00 nm 15 sec Early 1980s
AN/WLR-10 RWR, Radar Warning Receiver 0 - 120.00 nm 5 sec Late 1970s
AN/BQS-15 Hull Sonar, Active-Only Under-Ice Navigation and Mine & Obstacle Avoidance 0 - 0.40 nm 15 sec Late 1970s
AN/BQQ-10 A-RCI Hull Sonar, Active/Passive Search & Track 0 - 70.00 nm 15 sec Early 2000s
AN/BLD-1 HF/DF w/ OTH Targeting 0 - 500.00 nm 20 sec Early 1980s
AN/WLR-8(V)6 ELINT 0 - 500.00 nm 20 sec Early 1980s
Type 18 Periscope Sensor Group 0 - 0 nm 0 sec Not Applicable (N/A)

Submarine Capabilities Code

|   Nonmagnetic Hull   |   Shrouded Propulsor   |   Shock Resistant   |  

Signatures

Type Front Side Rear
Passive Sonar, VLF (0-1000 Hz, 200 Hz Center Frequency) 100 dB 101 dB 102 dB
Passive Sonar, LF (1-5 KHz, 3 KHz Center Frequency) 70.5 dB 71 dB 72 dB
Passive Sonar, MF (5-10 KHz, 7.5 KHz Center Frequency) 62.5 dB 63 dB 64 dB
Passive Sonar, HF (10-500 KHz, 20 KHz Center Frequency) 54 dB 55 dB 56 dB
Active Sonar, VLF-HF (0-500 KHz) 30 dB 200 dB 30 dB
Visual Detection Range 2.73 nm 4.55 nm 2.73 nm
Visual Classification Range 0.68 nm 1.14 nm 0.68 nm
Infrared Detection Range 2.73 nm 4.55 nm 2.73 nm
Infrared Classification Range 0.68 nm 1.14 nm 0.68 nm
Radar, A-D Band (30-2000 MHz) 36.2 dBsm (4168.69 m²) 41 dBsm (12589.25 m²) 36.2 dBsm (4168.69 m²)
Radar, E-M Band (2-100 GHz) 36.2 dBsm (4168.69 m²) 41 dBsm (12589.25 m²) 36.2 dBsm (4168.69 m²)

Default Configuration

Model Capacity Fire Interval Comments
533mm Mk67 TT 1 5 sec 1998, SSN, Mk48
Mk45 VLS [12 Cells] 12 5 sec 1998
CSA Mk2 Mod 1 [Mk151] 7 1 sec 1996, Los Angeles, ADC Mk3 Mod 0, 7x Tubes
3-inch Signal Ejector 2 1 sec 1979, ADC Mk2 Mod 0, 2x Tubes

Magazine Systems

Magazine Name Capacity Comments
CSA Mk1 Signal Ejector 20 1979, ADC Mk2 Mod 0
Los Angeles 24 1998

Datalink

ID Type Model Range Channels
8002 Two-Way Wire Guidance Torpedo Wire Control [4 Wires] 30 nm 4
7001 Radio VHF Radio [Secure] 100 nm 0
2003 MILSTAR SATCOM MILSTAR SATCOM 0 nm 0
7001 Radio UHF Radio [Secure] 100 nm 0

Engines

Model Type Combined Type Engine Count Shafts Primary Engines Secondary Engines Hypothetical Comments
1x S6G Nuclear Reactor Nuclear N/A 1 1 1 - No -