5 Coast Regiment RA was formed by re-designation of 5 Heavy Regiment in Aden in December 1940. The Regiment was disbanded in March 1944 to re-form 1 Heavy Anti-Aircraft Regiment Hong Kong Singapore RA.
| Dec 40 | Re-designation of 5 Heavy Regiment | |
| Dec 40 | HQ Troops Aden | Aden |
| Mar 44 | Disbanded to reform 1 Anti-Aircraft Regiment Hong Kong Singapore RA |
Aden |
Batteries
| Dec 40 | 9 Coast, 15 Heavy Anti-Aircraft, 23 Heavy Anti-Aircraft, 24 Searchlight |
