| NOS/NIMA | IHO/Foreign NIMA Charts | |
|---|---|---|
 |
Radio reporting (calling-in or way)points showing direction(s) of vessel movement with designation (if any) |
 |
| NOS | National Ocean Service (US) |
| NIMA | National Imagery and Mapping Agency (US) |
| IHO | International Hydrographic Organization |
|
|
||||||
|
|||||||
|
|
||||||