1. Weapon
  2. J/HQS-42B VLAD [AN/SSQ-77B]

Basic Information

Type： Sonobuoy Cruise Altitude： 0 m Air Range： 0 - 0 nm Air Hit Rate： 0 %
Length： 1 m Climb Rate： 0 m/s Surface Range： 0 - 0 nm Surface Hit Rate： 0 %
Span： 0 m Launch Altitude： 0 - 16764 m Land Range： 0 - 0 nm Land Hit Rate： 0 %
Diameter： 0 m Launch Speed： 0 - 370 kt Subsurface Range： 0 - 0 nm Subsurface Hit Rate： 0 %
Weight： 11 kg Target Altitude (AGL)： - - - m Target Speed： - - - kt CEP, Surface： 0 m
Waypoint Number： 0 Target Altitude (ASL)： - - - m CEP, Land 0 m

Sensor Parameters

Model Purpose Range Scan Interval Generation
AN/SSQ-77B VLAD Sonobuoy, Passive-Only Directional Vertical Line Array DIFAR (VLAD) 0 - 40.00 nm 15 sec Early 1990s

Weapon Capabilities

Not recorded in database

Targets

Not recorded in database

Signatures

Type Front Side Rear
Passive Sonar, VLF (0-1000 Hz, 200 Hz Center Frequency) 0 dB 0 dB 0 dB
Passive Sonar, LF (1-5 KHz, 3 KHz Center Frequency) 0 dB 0 dB 0 dB
Passive Sonar, MF (5-10 KHz, 7.5 KHz Center Frequency) 0 dB 0 dB 0 dB
Passive Sonar, HF (10-500 KHz, 20 KHz Center Frequency) 0 dB 0 dB 0 dB
Active Sonar, VLF-HF (0-500 KHz) 0 dB 0 dB 0 dB
Visual Detection Range 0 nm 0 nm 0 nm
Visual Classification Range 0 nm 0 nm 0 nm
Infrared Detection Range 0 nm 0 nm 0 nm
Infrared Classification Range 0 nm 0 nm 0 nm
Radar, A-D Band (30-2000 MHz) 0 dBsm (1.00 m²) 0 dBsm (1.00 m²) 0 dBsm (1.00 m²)
Radar, E-M Band (2-100 GHz) 0 dBsm (1.00 m²) 0 dBsm (1.00 m²) 0 dBsm (1.00 m²)

Datalink

Type Model Range Channels
NATO Sonobuoy Link Generic NATO Sonobuoy Transmitter 100 nm 1

Warhead

Sequence Model Type Damage Points Explosive Type
Not recorded in database

Fuel

Fuel Type Fuel Capacity
Battery 28800

Carried / Used By

Platform Type Platform Name Country/Region Year Commissioned Usage
Aircraft P-3C Orion Update III Japan 2025 Loadout
Aircraft P-3C Orion Update III Japan 2000 Loadout