| NOS/NIMA | |
IHO/Foreign NIMA Charts |
|---|---|---|
 |
Maritime limit in general, usually implying permanent obstructions |
 |
 |
Maritime limit in general, usually implying NO permanent obstructions |
 |
 |
Limit of restricted area |
 |
 |
(Screen optional) Limit of prohibited area (no unauthorized entry) |
 |