Chapter I — Coast Guard, Department of Homeland Security
- Subch. A General §§1.01-1 to 27.3
- Subch. B Personnel §§40.1 to 55.13
- Subch. C Aids to Navigation §§62.1 to 76.10-1
- Subch. D International Navigation Rules §§80.01 to 82.7
- Subch. E Inland Navigation Rules §§83.01 to 90.7
- Subch. F Vessel Operating Regulations §§95.001 to 97.320
- Subch. G Regattas and Marine Parades §§100.01 to 100.1702-100.1799
- Subch. H Maritime Security §§101.100 to 107.240
- Subch. I Anchorages §§109.01 to 110.255
- Subch. J Bridges §§114.01 to 118.160
- Subch. K Security of Vessels
- Subch. L Waterfront Facilities §§125.01 to 127.1605
- Subch. M Marine Pollution Financial Responsibility and Compensation §§136.1 to 138.240
- Subch. N Outer Continental Shelf Activities §§140.1 to 147.1116
- Subch. NN Deepwater Ports §§148.1 to 150.940
- Subch. O Pollution §§151.01 to 159.321
- Subch. P Ports and Waterways Safety §§160.1 to 169.245
- Subch. Q-R Subchapters Q-R [reserved]
- Subch. S Boating Safety §§173.1 to 187.325