This first volume of 33 CFR contains Parts 1-124 and is regulated by the US Coast Guard.
Subchapter A: General
Subchapter B: Personnel
Subchapter C: Aids to Navigation
Subchapter D: International Navigation Rules
Subchapter E: Inland Navigation Rules
Subchapter F: Vessel Operating Regulations
Subchapter G: Regattas and Marine Parades
Subchapter H: Maritime Security
Subchapter I: Anchorages
Subchapter J: Bridges
Subchapter K: Security of Vessels
Title 33 of the US Code of Federal Regulations (33 CFR) contains all US regulations dealing with Navigation and Navigable Waters. The Title is organized into three volumes, and the regulations it contains are authored by the US Coast Guard, the Army Corps of Engineers, and the Saint Lawrence Seaway Development Corporation.