| Model | Max. Range | Abilities | Notes |
| EDO-NEC OQR-1 | 70 | Sub Search, Bearing Information | Towed Array |
| FCS-2-12 | 39 | Surface Search, Air Search, Range Information, Bearing Information, Altitude Information | Radar. Director for: RIM-7M Sea Sparrow M, RIM-7H Sea Sparrow H, RIM-162 Evolved Sea Sparrow, RIM-7P Sea Sparrow P, RIM-7R Sea Sparrow MSIP |
| FCS-2-21 | 33 | Surface Search, Air Search, Range Information, Bearing Information, Altitude Information | Radar |
| JRC OPS-18 | 56 | Surface Search, Air Search, Range Information, Bearing Information, IFF Information | Radar |
| Melco OPS-14 | 178 | Air Search, Range Information, Bearing Information, Altitude Information, IFF Information | Radar |
| NEC OQS-4 | 12 | Sub Search, Range Information, Bearing Information | Active/Passive sonar |
| NOLR-6 | 250 | Surface Search, Air Search, Bearing Information, Classification | Passive RWR/ESM/SIGINT |
| OLR-9B | 350 | Surface Search, Air Search, Bearing Information, Classification | Passive RWR/ESM/SIGINT |