Developed by GEC Marconi, originally for the Batch 2 Leander Class frigates. A very low frequency, passive, 500m long towed array, it underwent trials, initially on HMS Matapan, then on HMS Lowestoft (a Type 12 Rothesay Class frigate) around 1977/78. First conversions to Leander Class began in 1980.

Used by |
1983 | ![]() | 1 |
1983 | ![]() | 1 |
1988 | ![]() | 1 |
1989 | ![]() | 1 |
Refits |
1971 | ![]() | Destroyer Later Battle class | towed to Portsmouth and converted by 1973 into a sonar trials ship and fitted with a flight deck |
1976-oct-11 | ![]() | Frigate Type 12 Rothesay class | until Sep 1977 at HMD Portsmouth to re-equip as Trials and Training Ship. Lowestoft distinguished herself with trials of the Type 2031 sonar. |
1981-feb | ![]() | Frigate Towed Array Exocet Leander class | upgrade to towed array sonar, completed 1982 |
1982-jan | ![]() | Frigate Towed Array Exocet Leander class | new sonar array fitted by Apr 1983 |
1982-aug | ![]() | Frigate Towed Array Exocet Leander class | new sonar array fitted by Nov 1983 |
1983 | ![]() | Frigate Ikara Leander class | fitted with new sonar array, by 1984 |
1985-apr | ![]() | Frigate Towed Array Exocet Leander class | new sonar array fitted by Nov 1985 |
In Service |
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