Twenty-Six Defense Maritime Equipment
AN/SSQ-53 DIFAR Passive Sonobuoys
NATO A-size passive DIFAR sonobuoys combining directional sensing with calibrated wide-band omni, operating depth 27-305 m, with optional GPS reporting.
Description
The Sparton AN/SSQ-53 family combines passive directional (DIFAR) sensing with calibrated wide-band omni performance in a single multi-function NATO A-size sonobuoy. Electronic Function Select (EFS) sets RF channel, life, depth, sensor and AGC before launch, and Command Function Select (CFS) adjusts settings once in the water. The buoys can be launched from fixed-wing or rotary-wing aircraft or from surface vessels.
Key features
- SSQ-53F: replaces the AN/SSQ-53D and AN/SSQ-57; CSO, CO and DIFAR modes; 96-channel RF transmitter
- SSQ-53G: adds XCO mode and a 97-channel transmitter; GPS commanded via CFS
- SSQ-53G (GPS): GPS activates on deployment and transmits NMEA RMC, GSV, GGA and GSA messages
- SSQ-53H: floating-point acoustic processing, high dynamic range, CSO at 45 ft (13.7 m), CO/XCO at 20 kHz/40 kHz, LiFeS2 battery, analog telemetry for legacy platforms
- Operating depth 27-305 m (90-1000 ft); shelf life 5 years in sealed container
Applications
- Anti-submarine warfare detection and tracking from maritime patrol aircraft, helicopters and ships
Specifications
| Weight | 8.98 kg (19.8 lbs) |
|---|---|
| Launch container | LAU-126/A |
| Operating depth | 27-305 m (90-1000 ft) |
| RF transmitter power output | 1 W minimum |
| Launch altitude | 12-9144 m (40-30,000 ft) |
| Launch speed | 0-370 KIAS |
| Shelf life | 5 years in sealed container |
More from Twenty-Six Defense Maritime
- Sparton AN/SSQ-62 DICASS Active Sonobuoys
- Sparton AN/SSQ-101B Commandable Passive Sonobuoy
- Sparton AN/SSQ-125 Multi-Static Source Sonobuoy
- Sparton AN/SSQ-36B Bathythermograph Sonobuoy
- NAVEX AHRS-M1 Attitude Heading Reference System
- NAVEX AHRS-M2 Attitude Heading Reference System
- Sparton Submarine-Launched and Air-Deployable Payload Systems
- Sparton Acoustic Augmentation Support Project (AASP)
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