3 Light Anti-Aircraft Regiment Hong Kong Singapore RA was formed in Malaya from batteries from the two Heavy Anti-Aircraft Regiments in September 1941. The Regiment was captured in February 1942 in Malaya.
| Sep 41 | Formed with batteries from 1 & 2 Anti-Aircraft Regiments HKS RA | Malaya |
| Sep 41 | Malaya Command | Malaya |
| Feb 42 | Captured | Malaya |
Batteries
| Sep 41 | 14, 16 |