46 C.F.R. § 10.505 Engineer license structure.
Title 46 - Shipping
The following diagram illustrates the engineering license structure including cross over points. The section numbers on the diagram refer to the specific requirements applicable. [CGD 81–059, 52 FR 38623, Oct. 16, 1987. Redesignated and amended by CGD 81–059, 54 FR 142, Jan. 4, 1989]
Title 46: Shipping
PART 10—LICENSING OF MARITIME PERSONNEL
Subpart E—Professional Requirements for Engineer Officers' Licenses
§ 10.505 Engineer license structure.