46 C.F.R. § 4.03-35 Nuclear vessel.
Title 46 - Shipping
The term nuclear vessel means any vessel in which power for propulsion, or for any other purpose, is derived from nuclear energy; or any vessel handling or processing substantial amounts of radioactive material other than as cargo. [CGD 84–099, 52 FR 47534, Dec. 14, 1987]
Title 46: Shipping
PART 4—MARINE CASUALTIES AND INVESTIGATIONS
Subpart 4.03—Definitions
§ 4.03-35 Nuclear vessel.