Regulations last checked for updates: May 03, 2025

Title 46 - Shipping last revised: Mar 17, 2025
§ 10.239 - Quick reference table for MMC requirements.

Table 1 to § 10.239 provides a guide to the requirements for officer endorsements. Provisions in the reference section are controlling.

Note 1 to § 10.239:

For tank vessel endorsements, see table 1 to § 13.129.

Note 2 to § 10.239:

All references within table 1 to this section are within this subchapter.

Table 1 to § 10.239—Quick Reference Table for MMC Requirements

Endorsement category Minimum age Citizenship Medical and physical exam Experience Recommendations and character check Firefighting Professional exam Demonstration of professional ability Recency of service First aid and CPR
Master, Mates§ 11.201(e)
Note: exceptions.
U.S., § 10.221(a)(1) § 11.201(d)§ 10.302(a)part 11—subpart DN/A: Note exceptions in § 11.201(g) for original national or STCW endorsements§ 11.201(h)§ 11.201(j); § 11.903; § 11.910
Note: § 11.903(b)
N/Aoriginal § 11.201(c)(2)
renewal § 10.227(e)
§ 11.201(i)
Note: exceptions.
Operator of Uninspected Passenger Vessels (OUPV)§ 11.201(e)
Note: exceptions here and in § 11.201(l)
§ 10.221(a)(1)
§ 11.201(d).
§ 10.302(a)§ 11.467(c); (d); (e); (f); (g)N/A: Note exceptions in § 11.201(g) for original national or STCW endorsementsN/A§§ 11.201(j); 11.903; § 11.910N/Aoriginal § 11.201(c)(2)
renewal § 10.227(e)
§ 11.201(i):
Note exceptions.
STCW deck officer endorsements§ 11.201(e)
Note: exceptions.
U.S., § 10.221(a)(1)
§ 11.201(d).
§ 10.302(a)part 11—subpart CN/A: Note exceptions in § 11.201(g) for original national or STCW endorsements§ 11.303
Renewal: § 11.303(b) and (c)
N/AMaster § 11.305; .311; .315; .317
Chief Mate § 11.307; .313
OICNW § 11.309; 11.319; 11.321
original § 11.201 (c)(2)
renewal § 10.227(e)
§ 11.201(i).
Officer on a passenger ship when on an international voyageN/AN/AN/AN/AN/AN/AN/A§ 11.1105(a)(1); (2)§ 11.1105(c)N/A.
Engineers (original)§ 11.201(e)
Note: exceptions.
U.S., § 10.221(a)(1) § 11.201(d)10.302(a)part 11—subpart EN/A: Note exceptions in § 11.201(g) for original national or STCW endorsements§ 11.201(h)§ 11.201(j); 11.903; § 11.950
Note: § 11.903(b)
N/Aoriginal § 11.201(c)(2)
renewal § 10.227(e)
§ 11.201(i).
STCW Engineering Officer endorsements§ 11.201(e)
Note: exceptions.
U.S., § 10.221(a)(1) § 11.201(d)§ 10.302(a)part 11—subpart CN/A: Note exceptions in § 11.201(g) for original national or STCW endorsements§ 11.303
Renewal: § 11.303(b) and (c)
N/AChief § 11.325; § 11.331
2nd engineer officer; § 11.327; § 11.333
OICEW/DDE § 11.329
original § 11.201 (c)(2)
renewal § 10.227(e)
§ 11.201(i).
National Designated Duty Engineer (DDE)§ 11.201(e)
Note: exceptions.
U.S., § 10.221(a)(1)
§ 11.201(d).
§ 10.302(a)11.524(b)N/A: Note exceptions in § 11.201(g) for original national or STCW endorsements§ 11.201(h)(1)(iv)§ 11.903N/Aoriginal § 11.201(c)(2)
renewal § 10.227(e)
§ 11.201(i).
Electro-technical Officer§ 11.201(e)
Note: exceptions.
U.S., § 10.221(a)(1)
§ 11.201(d).
§ 10.302(a)§ 11.335(a)(1)
note exception in § 11.335(b) & § 11.33 5(c)
N/A: Note exceptions in § 11.201(g) for original national or STCW endorsements§ 11.335(a)(3)(ii)N/A§ 11.335(a)(2), (3)
note exception in § 11.335(b) & (c)
§ 11.335(a)(3)(i).
Pilot§ 11.201(e)
Note: exceptions.
U.S., § 10.221(a)(1) § 11.201(d)§ 10.302(a); § 11.709§ 11.703; § 11.705N/A: Note exceptions in § 11.201(g) for original national or STCW endorsementsN/A§ 11.707; § 11.903; § 11.910§ 11.705§ 11.705(e), § 11.713§ 11.201(i).
Towing Vessels§ 11.201(e)
Note: exceptions.
U.S., § 10.221(a)(1) § 11.201(d)§ 10.302(a)part 11—subpart DN/A: Note exceptions in § 11.201(g) for original national or STCW endorsements§ 11.201(h)(1)(ii)
§ 11.201(h)(2)(ii)
Note: exceptions
§ 11.201(j); § 11.903; § 11.910§ 11.464; § 11.465original § 11.201(c)(2)
renewal § 10.227(e)
§ 11.201(i).
Offshore Supply Vessels (OSV)§ 11.201(e)
Note: exceptions.
U.S., § 10.221(a)(1) § 11.201(d)§ 10.302(a)Master § 11.493
Chief Mate § 11.495
Mate § 11.497
C/E § 11.553
Engineer § 11.555
N/A: Note exceptions in § 11.201(g) for original national or STCW endorsements§ 11.201(h)§ 11.201(j);
Master § 11.493
Chief Mate § 11.495
Mate § 11.497
C/E § 11.553; § 11.903
Eng § 11.555; § 11.903
Master § 11.493
Chief Mate § 11.495
Mate § 11.497
C/E § 11.553
Engineer
§ 11.555
original § 11.201(c)(2)
renewal § 10.227(e).
§ 11.201(i).
MODU§ 11.201(e); Note: exceptionsU.S.,
§ 10.221(a)(1);
§ 11.201(d)
§ 10.302(a)OIM: § 11.470;
B.S.: § 11.472;
BCO: § 11.474;
ChEng: § 11.542; Asst. Eng: § 11.544
N/A:
Note exceptions in
§ 11.201(g) for original national or STCW endorsements
§ 11.201(h): note exceptions§ 11.201(j); § 11.903; § 11.920N/Aoriginal § 11.201
(c)(2); renewal
§ 10.227(e)
§ 11.201(i).
Uninspected Fishing Industry Vessels§ 11.201(e)
Note: exceptions
U.S., § 10.221(a)(1)
§ 11.201(d)
§ 10.302(a)Deck: § 11.462(c); (d);
Engine: § 11.530(c); (d); (e)
N/A: Note exceptions in § 11.201(g) for original national or STCW endorsements§ 11.201(h)
Note: exceptions
§ 11.201(j); § 11.903; § 11.910N/Aoriginal § 11.201(c)(2)
renewal § 10.227(e).
§ 11.201(i).
Radio Officer§ 11.201(e)
Note: exceptions
U.S., § 10.221(a)(1)
§ 11.201(d)
§ 10.302(a)N/AN/A: Note exceptions in § 11.201(g) for original national or STCW endorsementsN/AN/A§ 11.603N/A§ 11.201(i).
GMDSS OperatorN/AN/AN/AN/AN/AN/AN/A11.604N/AN/A.
Officer raises of grade§ 11.201(e)
Note: exceptions
U.S., § 10.221(a)(1)
§ 11.201(d)
§ 10.302(a)§ 10.231(c); part 11, subparts D and EN/AN/A§ 10.231(d); § 11.903; § 11.910; § 11.920; § 11.950part 11, subparts D and E3 months in past 3 years, § 11.201 (c)(2)N/A.
Officer renewals§ 11.201(e)
Note: exceptions
U.S., § 10.221(a)(1)
§ 11.201(d)
§ 10.302(a)§ 10.227(d) and (e)
Note: exceptions
N/AN/AN/ATowing officers, § 10.227(d) and (e)1 year in past 5, § 10.227(e) and (f)
Note: alternative.
N/A.
Staff officer§ 11.201(e)
Note: exceptions
U.S., § 10.221(a)(1)
§ 11.201(d).
§ 10.302(a)§ 11.807N/A: Note exceptions in § 11.201(g) for original national or STCW endorsementsN/AN/A§ 11.807N/A§ 11.201(i).
Staff officer renewals§ 11.201(e)
Note: exceptions
U.S., § 10.221(a)(1)
§ 11.201(d).
§ 10.302(a)N/AN/AN/AN/AN/AN/AN/A.
Able Seafarer§ 12.401(c)(1)U.S. or alien admitted for permanent residence, § 10.221(a)(2)§ 10.302(a), § 12.401(c)(2)§ 12.403N/AN/A§ 12.401(c)(5)§ 12.401(c)(6) § 12.405Renewal only, 1 year in past 5, § 10.227(e) and (f)
Note: alternative
N/A.
Able Seafarer-Deck§ 12.603(a)(1)U.S. or alien admitted for permanent residence, § 10.221(a)(2)§ 10.302(a)§ 12.603(a)(3)N/AN/AN/A§ 12.603(a)(2) § 12.603(a)(4) § 12.603(a)(5)Renewal only, 1 year in past 5, § 10.227(e) and (f)
Note: alternative
§ 12.602(a).
Ratings Forming Part of a Navigational Watch (RFPNW)§ 12.605(a)(1)U.S. or alien admitted for permanent residence, § 10.221(a)(2)§ 10.302(a)§ 12.605(a)(2)N/AN/AN/A§ 12.605(a)(3)Renewal only, 1 year in past 5, § 10.227(e) and (f)
Note: alternative
§ 12.602(a).
Qualified Members of Engine Department (QMED)§ 12.501(c)(1)U.S. or alien admitted for permanent residence, § 10.221(a)(2)§ 10.302(a)§ 12.503N/AN/A§ 12.505N/ARenewal only, 1 year in past 5, § 10.227(e) and (f)
Note: alternative
N/A.
Able Seafarer-Engine§ 12.607(a)(1)U.S. or alien admitted for permanent residence, § 10.221(a)(2)§ 10.302(a)§ 12.607(a)(3)N/AN/AN/A§ 12.607(a)(2); (4) § 12.607(b); (c)Renewal only, 1 year in past 5, § 10.227(e) and (f)
Note: alternative
§ 12.602(a).
Ratings Forming Part of an Engineering Watch (RFPEW)§ 12.609(a)(1)U.S. or alien admitted for permanent residence, § 10.221(a)(2)§ 10.302(a)§ 12.609(a)(2)N/AN/AN/A§ 12.609(a)(3)Renewal only, 1 year in past 5, § 10.227(e) and (f)
Note: alternative
§ 12.602(a).
Electro-technical Rating§ 12.611(a)(1)U.S. or alien admitted for permanent residence, § 10.221(a)(2)§ 10.302(a)§ 12.611(a)(2)N/AN/AN/A§ 12.611(a)(3); § 12.611(b)Renewal only, 1 year in past 5, § 10.227(e) and (f)
Note: alternative
§ 12.602(a).
Entry level ratingsN/AU.S. or alien admitted for permanent residence, § 10.221(a)(2)
§ 12.803; § 12.809
N/A; note exception in § 12.811(a)(2)
Note: Food Handler (F.H.) requirements in table § 10.302(a)
(xiii) § 10.302(a) (xiv)
N/AN/AN/AN/AN/AN/AN/A.
Lifeboat OperatorN/AU.S. or alien admitted for permanent residence, § 10.221(a)(2)§ 10.302(a)§ 12.407(b)(1)N/AN/A§ 12.407(b)(2); (4)§ 12.407(b)(2); (3)Renewal only, 1 year in past 5, § 10.227(e) and (f)
Note: alternative
N/A.
Lifeboat Operator-LimitedN/AU.S. or alien admitted for permanent residence, § 10.221(a)(2)§ 10.302(a)§ 12.409(b)(1)N/AN/A§ 12.409(b)(2); (4)§ 12.409(b)(2); (3)Renewal only, 1 year in past 5, § 10.227(e) and (f)
Note: alternative
N/A.
Proficiency in Fast Rescue Boats§ 12.617(a)(1)U.S. or alien admitted for permanent residence, § 10.221(a)(2)N/AN/AN/AN/AN/A§ 12.617(a)(2); (3); (4)Renewal only, 1 year in past 5, § 10.227(e) and (f)
Note: alternative
Renewal § 12.617(b)(2)
§ 12.602(a).
Proficiency in Survival Craft and Rescue Boats other than Fast Rescue Boats§ 12.613(a)(1)U.S. or alien admitted for permanent residence, § 10.221(a)(2)N/A§ 12.613(a)(2)N/AN/AN/A§ 12.613(a)(3)Renewal only, 1 year in past 5, § 10.227(e) and (f)
Note: alternative
Renewal: § 12.613(b)(2)
§ 12.602(a).
Proficiency in Survival Craft and Rescue Boats other than Lifeboats and Fast Rescue Boats-Limited§ 12.615(a)(1)U.S. or alien admitted for permanent residence, § 10.221(a)(2)N/A§ 12.615(a)(2)N/AN/AN/A§ 12.615(a)(3)Renewal only, 1 year in past 5, § 10.227(e) and (f)
Note: alternative.
Renewal: § 12.615(b)(2)
§ 12.602(a).
Assistance Towing endorsementN/AN/AN/A§ 11.482N/AN/A§ 11.482§ 11.482original § 11.201(c)(2)N/A.
Radar Observer endorsementN/AN/AN/AN/AN/AN/AN/A§ 11.480(d); (h)N/AN/A.
Vessel Security Officer (VSO)§ 11.337(a)U.S. or alien admitted for permanent residence, § 10.221(a)(1) § 10.221(a)(2)§ 10.302(a)§ 11.337(a)N/A: Note exceptions in § 11.201(g) for original national or STCW endorsementsN/AN/A§ 11.337(a)original § 11.201(c)(2)
renewal § 10.227(e).
§ 11.201(i).
High Speed CraftN/AU.S. § 10.221(a)(1)N/A§ 11.821(b)(1) § 11.821(c)N/A: Note exceptions in § 11.201(g) for original national or STCW endorsementsN/AN/A§ 11.821(b)(2)Renewal: § 11.821(e)N/A.
GMDSS at-Sea Maintainer§ 12.623(a)N/AN/AN/AN/AN/AN/A§ 12.623(b)N/AN/A.
Medical First-aid ProviderN/AN/AN/A§ 12.619(b)N/AN/AN/A§ 12.619(a)(1); (2)N/A§ 12.619(a)(1).
Person in Charge of Medical CareN/AN/AN/A§ 12.621(b)N/AN/AN/A§ 12.621(a)(1); (2)N/A§ 12.621(a)(1).
Vessel Personnel with Designated Security Duties§ 12.625(a)(1)U.S. or alien admitted for permanent residence, § 10.221(a)(2)
§ 12.803
§ 12.625(a)(2)§ 12.625(a)(1)N/AN/AN/A§ 12.625(a)(1)Renewal only, 1 year in past 5, § 10.227(e) and (f)
Note: alternative
N/A.
Security Awareness§ 12.627(a)(1)U.S. or alien admitted for permanent residence, § 10.221(a)(2)
§ 12.803
§ 12.627(a)(2)§ 12.627(a)(1)N/AN/AN/A§ 12.627(a)(1)Renewal only, 1 year in past 5, § 10.227(e) and (f)
Note: alternative
N/A.
Ratings serving on passenger ships on international voyagesN/AN/AN/AN/AN/AN/AN/A§ 12.905(a); (b)Renewal § 12.905(d)N/A.
[USCG-2021-0097, 89 FR 93063, Nov. 25, 2024, as amended by USCG-2021-0834, 89 FR 102334, Dec. 17, 2024]

authority: 14 U.S.C. 503; 31 U.S.C. 9701; 46 U.S.C. 2101,2103,2104,2110; 46 U.S.C. chapter 71; 46 U.S.C. chapter 73; 46 U.S.C. chapter 75; 46 U.S.C. 7701,8903,8904,and; Executive Order 10173; DHS Delegation No. 00170.1, Revision No. 01.4
source: USCG-2006-24371, 74 FR 11216, Mar. 16, 2009, unless otherwise noted.
cite as: 46 CFR 10.239