[Code of Federal Regulations]
[Title 46, Volume 1]
[Revised as of Octobery 1, 2004]
From the U.S. Government Printing Office via GPO Access
[CITE: 46CFR31.10-20]

[Page 404]
 
                           TITLE 46--SHIPPING
 
         CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY
 
PART 31_INSPECTION AND CERTIFICATION--Table of Contents
 
                        Subpart 31.10_Inspections
 
Sec. 31.10-20  Definitions relating to hull examinations--T/B ALL.

    As used in this part--
    (a) Drydock examination means hauling out of a vessel or placing a 
vessel in a drydock or slipway for an examination of all accessible 
parts of the vessel's underwater body and all through-hull fittings.
    (b) Internal structural examination means an examination of the 
vessel while afloat or in drydock and consists of a complete examination 
of the vessel's main strength members, including the major internal 
framing, the hull plating, voids, and ballast tanks, but not including 
cargo or fuel oil tanks.
    (c) Cargo tank internal examination means an examination of the 
vessel while afloat or in drydock and consists of an examination of the 
internals of all cargo tanks; except, if the vessel is certificated to 
carry cargoes regulated under part 38 or subchapter O of this chapter, 
the cargo tank internal examination must be accomplished as specified in 
parts 38 and 151 of this chapter respectively.
    (d) Underwater survey means the examination, while the vessel is 
afloat, of all accessible parts of the vessel's underwater body and all 
through-hull fittings.

[CGD 84-024, 52 FR 39649, Oct. 23, 1987, as amended by CGD 84-024, 53 FR 
32229, Aug. 24, 1988; CGD 95-028, 62 FR 51197, Sept. 30, 1997]