Code of Federal Regulations > Title 46 > Chapter I > Part 71 > Subpart 71.50

Regulations last checked for updates: Feb 11, 2026

Title 46 - Shipping last revised: Jan 15, 2026

§ 71.50-1 - Definitions relating to hull examinations.

§ 71.50-3 - Drydock examination, internal structural examination, underwater survey, and alternate hull exam intervals.

§ 71.50-5 - Underwater Survey in Lieu of Drydocking (UWILD).

§ 71.50-15 - Description of the Alternative Hull Examination (AHE) Program for certain passenger vessels.

§ 71.50-17 - Eligibility requirements for the Alternative Hull Examination (AHE) Program for certain passenger vessels.

§ 71.50-19 - The Alternative Hull Examination (AHE) Program application.

§ 71.50-21 - Preliminary examination requirements.

§ 71.50-23 - Pre-survey meeting.

§ 71.50-25 - Alternative Hull Examination (AHE) procedure.

§ 71.50-27 - Alternative Hull Examination (AHE) program options: Divers or underwater remotely operated vehicle (ROV).

§ 71.50-29 - Hull examination reports.

§ 71.50-31 - Continued participation in the Alternative Hull Examination (AHE) program.

§ 71.50-35 - Notice and plans required.

authority: 46 U.S.C. 2113,3205,3306,3307,70034; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; E.O. 12777, 56 FR 54757, 3 CFR, 1991 Comp., p. 351; DHS Delegation 00170.1, Revision No. 01.2

source: CGFR 65-50, 30 FR 16895, Dec. 30, 1965, unless otherwise noted.