| BCNCAR | Beacon, cardinal |
| BCNISD | Beacon, isolated danger |
| BCNLAT | Beacon, lateral |
| BCNSAW | Beacon, safe water |
| BCNSPP | Beacon, special purpose/general |
| BOYCAR | Buoy, cardinal |
| BOYINB | Buoy, installation |
| BOYISD | Buoy, isolated danger |
| BOYLAT | Buoy, lateral |
| BOYSAW | Buoy, safe water |
| BOYSPP | Buoy, special purpose/general |
| BRIDGE | Bridge |
| BUAARE | Built-up area |
| BUISGL | Building, single |
| CBLOHD | Cable, overhead |
| COALNE | Coastline |
| CONVYR | Conveyor |
| CRANES | Crane |
| DAMCON | Dam |
| DYKCON | Dyke |
| FLODOC | Floating dock |
| FNCLNE | Fenceline |
| FORSTC | Fortified structure |
| HULKES | Hulk |
| LITFLT | Light-float |
| LITVES | Light-vessel |
| LNDMRK | Landmark |
| MORFAC | Mooring/warping facility |
| OFSPLF | Offshore platform |
| OSPARE | Offshore production area |
| PIPOHD | Pipeline, overhead |
| PONTON | Pontoon |
| PRDARE | Production/storage area |
| PYLONS | Pylon/bridge support |
| SILTNK | Silo/tank |
| SLCONS | Shoreline Construction |
| SLOGRD | Sloping ground |
| SLOTOP | Slope topline |
| WRECKS | Wrecks |