506 (Forth) Coast Regiment RA (TA) was formed from a part of Forth Heavy Regiment RA (TA), in July 1940. The Regiment was placed in suspended animation in April 1944 and 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 | ||
| Jul 40 |  |
Scottish Command | UK |
| Dec 40 | Kinghorn Fire Command | Kinghorn, Fife, UK | |
| Apr 44 | Suspended animation |
Batteries
| Jul 40 | A, B |
| Apr 41 | 256, 257 |
| Jan 42 | 252, 309 |
| May 42 | 252, 258, 309 |