| Need to Know |
|
| 9 |
Hailing |
| 10 |
Commercial Shipping (also U.S. Navy) |
| 13 |
Commercial Shipping, Drawbridges |
| 16 |
Hailing, Emergency |
| 22 |
U.S. Coast Guard |
| 68 |
Recreational Boat Operations |
| 69 |
Recreational Boat Operations |
| 71 |
Recreational Boat Operations |
| 72 |
Recreational Boat Operations |
| 78 |
Recreational Boat Operations |
| |
|
| All Channels |
|
| 1 |
VTS, Port Operations |
| 3 |
Port Operations* |
| 5 |
Port Operations |
| 6 |
Intership Safety |
| 7 |
Commercial |
| 8 |
Port Operations |
| 9 |
Hailing |
| 10 |
Commercial |
| 11 |
Commercial |
| 12 |
Port Operations |
| 13 |
Navigation, Bridge to Bridge |
| 14 |
Port Operations |
| 15 |
Environmental |
| 16 |
Emergency, Hailing |
| 17 |
State Controlled |
| 18 |
Commercial |
| 19 |
Commercial |
| 20 |
Port Operations |
| 21 |
U.S. Coast Guard* |
| 22 |
U.S. Coast Guard |
| 23 |
U.S. Coast Guard* |
| 24 |
Marine Operator |
| 25 |
Marine Operator |
| 26 |
Marine Operator |
| 27 |
Marine Operator |
| 28 |
Marine Operator |
| 61 |
Canadian Coast Guard* |
| 63 |
Canadian Coast Guard |
| 64 |
Canadian Coast Guard* |
| 65 |
Port Operations |
| 66 |
Port Operations |
| 67 |
Commercial |
| 68 |
Recreational Boat Operations |
| 69 |
Recreational Boat Operations |
| 70 |
Digital Selective Calling |
| 71 |
Recreational Boat Operations |
| 72 |
Recreational Boat Operations |
| 73 |
Port Operations |
| 74 |
Port Operations |
| 75 |
CH 16 Guard Band |
| 76 |
CH 16 Guard Band |
| 77 |
Port Operations |
| 78 |
Recreational Boat Operations |
| 79 |
Commercial |
| 80 |
Commercial |
| 81 |
U.S. Coast Guard* |
| 82 |
U.S. Coast Guard* |
| 83 |
U.S. Coast Guard* |
| 84 |
Marine Operator |
| 85 |
Marine Operator |
| 86 |
Marine Operator |
| 87 |
Marine Operator |
| 88 |
Commercial |
* Channels 3, 21, 23, 61, 64, 81, 82, and 83 are not for use by the general public in U.S. waters. These frequencies may only be used when authorized by the U.S. Coast Guard.