1. Regulations
  2. title 46
  3. chapter I-i1
  4. part 50
  5. subpart 50.10
  6. § 50.10-30

View all text of Subpart 50.10 [§ 50.10-1 - § 50.10-35]

§ 50.10-30 - Coast Guard number.

(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 must 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 1 to § 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.

Table 1 to § 50.10-30—Previous Sector Office Identification Letters in Coast Guard Numbers for Boilers and Pressure Vessels

Identification Sector
Office 		ALBAlbany. ANCAnchorage. BALBaltimore. BOSBoston. BUFBuffalo. CHACharleston. CHIChicago. CINCincinnati. CLECleveland. CORCorpus Christi. DETDetroit. DULDuluth. GALGalveston. GUAGuam. HONHonolulu. HOUHouston. HRVHampton Roads, VA. HUNHuntington. JACJacksonville. JUNJuneau. LISLong Island. LOSLos Angeles. LOULouisville. MEMMemphis. MIAMiami. MILMilwaukee. MINMinneapolis. MOBMobile. MORMorgan City. NASNashville. NEWNew Orleans. NYCNew York. PADPaducah. PATPort Arthur. PHIPhiladelphia. PITPittsburgh. POMPortland, ME. PORPortland, OR. PROProvidence. ROTRotterdam. SAVSavannah. SDCSan Diego. SEASeattle. SFCSan Francisco. SIMSaint Ignace. SJPSan Juan. SLMSt. Louis. STBSturgeon Bay. TAMTampa. TOLToledo. VALValdez. WNCWilmington, NC.
[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; USCG-2006-25556, 72 FR 36330, July 2, 2007; USCG-2020-0634, 89 FR 50094, June 12, 2024]

AUTHORITY: 43 U.S.C. 1333; 46 U.S.C. 3306, 3703; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; Department of Homeland Security Delegation No. 00170.1, Revision No. 01.3; Section 50.01-20 also issued under the authority of 44 U.S.C. 3507.

SOURCE: CGFR 68-82, 33 FR 18808, Dec. 18, 1968, unless otherwise noted.

CITE AS: 46 CFR 50.10-30