541 Coast Regiment RA was formed as 1 Coast Artillery Group RA at Lerwick with four batteries, in October 1940. It was re-designated 541 Coast Regiment RA in June 1941. The Regiment was disbanded in June 1945 with 283 Battery placed in suspended animation and 369 Battery joining 538 Coast Regiment RA(TA). Shetland’s coast guns never fired in anger.
Illustrations of the formation badges under which a unit served or supported are given. This is no guarantee that the unit used this formations badge.
| Oct 40 | Formed as 1 Coast Artillery Group | Lerwick, Shetland, UK | |
| Oct 40 |  |
OSDEF | UK |
| Jun 41 | Became 541 Coast Regiment | ||
| Jun 45 | Disbanded |
Batteries
| Oct 40 | 301, 302, 371, 420 |
| Aug 41 | 369 (Ness of Sound), 404 (Green Head), 409 (Sullom Voe) |
| Sep 41 | 369, 385 (Scalloway), 404, 409 |
| Oct 42 | 190, 283 (South Lerwick), 369, 385, 404, 409 |