504 (Fife) Coast Regiment RA (TA) was formed from a part of Fife Heavy Regiment RA(TA), in July 1940. RHQ was placed in suspended animation and the batteries moved to 505 Coast Regiment RA (TA) in April 1944. 504 (Fife) Coast Regiment RA (TA) was amalgamated with 507 Coast Regiment RA (TA) and reconstituted in January 1947 as 362 Medium Regiment RA (TA).
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.
| Jul 40 | Formed from part of Fife Heavy Regiment | ||
| Jul 40 |  |
Scottish Command | Incholm, Fife, UK |
| Dec 42 | Incholm Fire Command | Incholm, Fife, UK | |
| Apr 44 | Suspended animation |
Batteries
| Jul 40 | A (Broughty Castle), B, C, D |
| Apr 41 | 245 (Inchcolm), 246 (Kent Works), 247 (Inchmickery), 248 (Cramond Island), 249 (Dalmeny), 250 (Charles Hill) |
| May 41 | 176 (Kent Works), 245, 247, 248, 249, 250 |
| Jun 42 | 176, 186, 245, 247, 248, 249, 250 |
| Jul 42 | 176, 186, 245, 247, 248, 250 |