46 C.F.R. § 50.10-30 Coast Guard number.
Title 46 - Shipping
(a) The Coast Guard number means that number assigned to boilers and pressure vessels by the Officer in Charge, Marine Inspection, who makes the final tests and inspections. (b) The Coast Guard number shall be stamped on the nameplates of boilers and pressure vessels. (c) The Coast Guard number is comprised of the following: (1) Three capital letters which identify the office of the issuing Officer in Charge, Marine Inspection (see Table 50.10–30); followed by, (2) An OCMI serial number, by which the particular boiler or pressure vessel can be identified; the first two digits of which will identify the calendar year the number was assigned. [CGFR 68–82, 33 FR 18808, Dec. 18, 1968, as amended by CGFR 69–127, 35 FR 9975, June 17, 1970; CGD 74–219, 39 FR 40158, Nov. 14, 1974; CGD 78–161, 44 FR 13492, Mar. 12, 1979; USCG–2000–7790, 65 FR 58459, Sept. 29, 2000]
Title 46: Shipping
PART 50—GENERAL PROVISIONS
Subpart 50.10—Definition of Terms Used in This Subchapter
§ 50.10-30 Coast Guard number.
Table 50.10-30_Marine Safety Office Identification Letters in Coast Guard Numbers for Boilers and Pressure Vessels------------------------------------------------------------------------ Identification Marine Safety Office------------------------------------------------------------------------ALB....................................... Albany.ANC....................................... Anchorage.BAL....................................... Baltimore.BOS....................................... Boston.BUF....................................... Buffalo.CHA....................................... Charleston.CHI....................................... Chicago.CIN....................................... Cincinnati.CLE....................................... Cleveland.COR....................................... Corpus Christi.DET....................................... Detroit.DUL....................................... Duluth.GAL....................................... Galveston.GUA....................................... Guam.HON....................................... Honolulu.HOU....................................... Houston.HRV....................................... Hampton Roads, VA.HUN....................................... Huntington.JAC....................................... Jacksonville.JUN....................................... Juneau.LIS....................................... Long Island.LOS....................................... Los Angeles.LOU....................................... Louisville.MEM....................................... Memphis.MIA....................................... Miami.MIL....................................... Milwaukee.MIN....................................... Minneapolis.MOB....................................... Mobile.MOR....................................... Morgan City.NAS....................................... Nashville.NEW....................................... New Orleans.NYC....................................... New York.PAD....................................... Paducah.PAT....................................... Port Arthur.PHI....................................... Philadelphia.PIT....................................... Pittsburgh.POM....................................... Portland, ME.POR....................................... Portland, OR.PRO....................................... Providence.ROT....................................... Rotterdam.SAV....................................... Savannah.SDC....................................... San Diego.SEA....................................... Seattle.SFC....................................... San Francisco.SIM....................................... Saint Ignace.SJP....................................... San Juan.SLM....................................... St. Louis.STB....................................... Sturgeon Bay.TAM....................................... Tampa.TOL....................................... Toledo.VAL....................................... Valdez.WNC....................................... Wilmington, NC.------------------------------------------------------------------------
