Ultra Maritime has been awarded a Sole Source Firm Fixed Priced contract for the AN/SSQ-125B Low Rate Initial Production (LRIP) for the US Navy. The new sonobuoy will be used by the P-8A POSEIDON maritime patrol aircraft to hunt the most modern and quietest of underwater threats.
The Q-125B incorporates advanced signal processing and improved acoustic performance to operate effectively in demanding ocean conditions. The Q-125B is a coherent source buoy which is designed to generate a variety of waveforms. Its “pings” are meant to be recorded by other sonobuoys constituting a multistatic field.
Multistatic detection exploits a variety of monostatic or bistatic sonar components, separated in space, listening simultaneously with a shared area of coverage. The combined readings from multiple sonobuoys make the difference in detecting elusive, quiet threats.
The Q-125B will work in combination with SSQ-36 bathythermograph (BT) buoys and especially with SSQ-53 passive directional low frequency analyze and record (DIFAR); SSQ-62 directional command active sonobuoy system (DICASS); SSQ-101 air deployed active receiver (ADAR); SSQ-110 multi-static non-coherent source.
The AN/SSQ-125’s RF channel can be programmed to any of the standard sonobuoy operating channels. At any time after deployment, the AN/SSQ-125 can be commanded to change its operating parameters or depth (deeper only), generate a ping, or scuttle.
The AN/SSQ-101C and the AN/SSQ-125B sonobuoys working in combination with the new Multi-Static Active Coherent-Enhancements signal processor aboard the P-8 POSEIDON are crucial components of the Increment 3 Block 2 (I3B2) upgrades for the US Navy’s maritime patrol aircraft. The ability to employ new coherent signals though the new 125B buoys is what makes the difference from earlier multistatic sonar fields. The use of multiple pings, optimized waveforms, and various ping durations, in combination with signals processing able to “make sense” of them enables wide area surveillance and the ability to discover the quietest of submarines.
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