46 C.F.R. § 173.070 Specific applicability.
Title 46 - Shipping
Each oceanographic vessel, inspected under Subchapter U of this chapter, except a barge that is less than 300 gross tons, must comply with this subpart.
Title 46: Shipping
PART 173—SPECIAL RULES PERTAINING TO VESSEL USE
Subpart D—Oceanographic Research
§ 173.070 Specific applicability.

