502 (Forth) Coast Regiment RA (TA) was formed from a part of Forth Heavy Regiment RA(TA), in July 1940, with just one battery. RHQ was placed in suspended animation and the battery moved to 2 Coast Artillery Group in March 1941. 502 (Forth) Coast Regiment RA (TA) was disbanded in January 1947.
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 Forth Heavy Regiment | Aberdeen, UK | |
| Jul 40 |  |
Scottish Command | Aberdeen, UK |
| Mar 41 | Suspended animation |
Batteries
| Jul 40 | A (Torry Battery) |
| Oct 40 | Battery joined 2 Coast Artillery Group as 243 Battery |