Template:OahuFCAll
| Type | Designation | Location/Site | Built | Condition | Notes |
|---|---|---|---|---|---|
| Wilhelmina Rise | Wilhelmina Rise | WWII | FCS | No Structures | |
| Round Top | Puu Ualakaa | 1942 | FCS | Observation Deck | |
| Birkhimer East Primary | South Rim Diamond Head | 1917 | FCS | 500' | |
| Homestead | BCS | ||||
| Brodie | BCS | ||||
| "A" | Puu Manawahua | FCS | 4 structures | ||
| "B" | FCS | ||||
| Source: CDSG | |||||