HMS Relentless was an R-class destroyer of the Royal Navy that saw service during World War II. She was later converted into a Type 15 fast anti-submarine frigate, with the new pennant number F185.
HMS Relentless was an R-class destroyer of the Royal Navy that saw service during World War II. She was later converted into a Type 15 fast anti-submarine frigate, with the new pennant number F185. (en)
*Radar
* Type 293Q target indication.
* Type 277Q surface search
* Type 974 navigation
* Type 262 fire control on director CRBF
* Type 1010 Cossor Mark 10 IFF
*Sonar:
* Type 174 search
* Type 162 target classification
* Type 170 attack (en)
* Radar Type 290 air warning
* Radar Type 285 ranging & bearing (en)