46 C.F.R. § 3.05-1 Letter of designation.
Title 46 - Shipping
A letter issued by an Officer in Charge, Marine Inspection, designating an uninspected vessel as an oceanographic research vessel.
Title 46: Shipping
PART 3—DESIGNATION OF OCEANOGRAPHIC RESEARCH VESSELS
Subpart 3.05—Definition of Terms Used in This Part
§ 3.05-1 Letter of designation.

