| NOS | NIMA | |
IHO | Foreign NIMA Charts |
|---|---|---|---|---|
 |
 |
Leading line (solid line is fairway) |
 |
|
 |
Transit, clearing line |
 |
|
|
 |
 |
Recommended track based on a system of fixed marks |
 |
 |
 |
Recommended tracks NOT based on a system of fixed marks |
 |
||
 |
One-way track |
 |
|
|
| |
Two-way track (including a regulation described in a note) |
 |
|
|
 |
Track, recommended track with maximum authorized draft stated |
 |
|
|