[Code of Federal Regulations] [Title 46, Volume 1] [Revised as of January 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 46CFR12.05-11] [Page 217-218] TITLE 46--SHIPPING CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY PART 12_CERTIFICATION OF SEAMEN--Table of Contents Subpart 12.05_Able Seamen Sec. 12.05-11 General provisions respecting merchant mariner's document endorsed for service as able seamen. (a) The holder of a merchant mariner's document endorsed for the rating of able seamen may serve in any unlicensed rating in the deck department without obtaining an additional endorsement; provided, however, that the holder shall hold the appropriate endorsement under the STCW (incorporated by reference in Sec. 12.01-3) when serving in as a ``rating forming part of a navigational watch'' on a seagoing ship of 500 GT or more. (b) A merchant mariner's document endorsed as able seaman will also be considered a certificate of efficiency as lifeboatman without further endorsement. (c) This type of document will describe clearly the type of able seaman certificate which it represents, e.g.: able seaman--any waters; able seaman--any waters, 12 months; able seaman--Great Lakes, 18 months; able seaman--on freight vessels, 500 gross tons or less on bays or sounds, and on [[Page 218]] tugs, towboats, and barges on any waters. [CGFR 65-50, 30 FR 16640, Dec. 30, 1965, as amended by CGD 95-062, 62 FR 34537, June 26, 1997; USCG-1999-5610, 67 FR 66068, Oct. 30, 2002] Subpart 12.07 [Reserved]