Home › CFR › Title 46 › Part 346 CFR Part 3 — Designation of Oceanographic Research VesselsSubpart 3.01 — Authority and Purpose§ 3.01-1— Purpose of regulations.Subpart 3.03 — Application§ 3.03-1— Vessels subject to the requirements of this part.Subpart 3.05 — Definition of Terms Used in This Part§ 3.05-1— Letter of designation.§ 3.05-3— Oceanographic research vessel.Subpart 3.10 — Designation§ 3.10-1— Procedures for designating oceanographic research vessels.§ 3.10-5— Renewal of letter of designation.§ 3.10-10— Right of appeal.