Key
| Heavy Anti-Aircraft Site |  | Airfield |  |
| Coast Battery |  | Radar Station |  |
| Site No. | Name | OS Grid Reference |
| L1 | Lerwick | HU 455 401 |
| L2 | HU 482 428 | |
| L3 | HU 502 421 | |
| S1 | Sumburgh | HU 390 126 |
| S2 | HU 390 099 | |
| Z1 | HU 442 752 | |
| Z2 | HU 389 722 |
Gun Strengths
Battle of Britain & the Blitz
| Dates | 3 inch |
| May 40-May 41 | 12 |
Overlord & Diver
| Dates | 3.7 inch static | 3.7 inch mobile |
| Mar-Aug 44 | 4 | 8 |
| Jan-May 45 | 4 | 0 |
Heavy AA Regiments known to have occupied sites in this GDA
| Dates | Unit |
| May 40-Jun 41 | 101 Heavy Anti-Aircraft Regiment (RHQ, 297, 317 Batteries) |