MoD awards '886k contract for frigate torpedo defence kits

The Ministry of Defence has inked a new contract deal with Ultra Electronics Limited.

The notice, published on 14 Aug 2023, discloses the provision of three Sonar 2170 Surface Ship Torpedo Defence (SSTD) Fit-to-Receive (FTR) kits.

These advanced defence systems are set to be integrated onto the Type 31 Frigates.

“Ship Acquisition, which is part of the UK Ministry of Defence (MOD) have awarded a contract to Ultra Electronics Limited for the provision of three Sonar 2170 SSTD Fit-to-Receive (FTR) kits.”

The contract, valued at £886K, is set to last a year, with the delivery timeline from 26 Jun 2023 to 25 Jun 2024.

These kits, known as Sonar 270 in Royal Navy parlance, entered into service with the Royal Navy back in 2004.

Produced by Ultra Electronics, they are christened Sea Sentor for the export market. The robust SSTD system is equipped with:

• An acoustic passive towed array
• A towed acoustic countermeasure (flexible)
• A single-drum winch
• A processing cabinet
• Two display consoles
• Two expendable acoustic device launchers (1 port, 1 starboard)
• Sixteen expendable acoustic devices (8 in each launcher)