4 Coast Regiment RA was re-designated from 4 Heavy Regiment on Malta in December 1940. In June 1945 it converted to 4 Coast Training Regiment RA and was re-designated as 47 Coast Training Regiment RA in April 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.
| Dec 40 | Re-designation of 4 Heavy Regiment | Malta | |
| Dec 40 |  |
Malta Command | Malta |
| Sep 44 | Home Forces | UK | |
| Jun 45 | Became 4 Coast Training Regiment |
Batteries
| Dec 40 | 6, 10 |
| Nov 43 | 6 |
| Apr 44 | 6, 143, 303, 304 |
| Apr 45 | 143, 303, 304 |