11 Coast Regiment RA was formed in Malaya, in March 1941 by conversion of 11 Heavy Regiment. The Regiment was captured at Singapore in February 1942 and placed in suspended animation.
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.
| Mar 41 | Re-designation of 11 Heavy Regiment | ||
| Mar 41 |  |
Malaya Defences | Penang, Malaya |
| Dec 41 | Evacuated Penang, dispersed to Singapore | Singapore | |
| Feb 42 | Captured at Singapore |
Batteries
| Mar 41 | 8 Coast, 20 Heavy Anti-Aircraft Hong Kong Singapore RA |
Penang Garrison
8 Battery
| Cornwallis Battery | 2 x 6 inch Guns |
20 Battery
| Batu Maung Battery | 2 x 6 inch Guns |