* XII CONTENTS 



Page 

 Operation without registered pilots 164 



State regulation of pilots prohibited; other laws applicable; laker vessels 164 



Advisory committee 164 



Use of Federal agency facilities on reimbursable basis 165 



Subchapter 6C. — Engineers 

 Licenses of engineers 166 



Subchapter 6D. — Radio Officers 



Licenses of radiotelegraph operators as officers 167 



Licenses of radiotelegraph operators as officers; granting of licenses; 



necessity of carrying licensed officer; penalty 167 



Licenses of radiotelegraph operators as officers; requirements for obtaining 



license; period of validity; suspension 167 



Licenses of radiotelegraph operators as officers; working hours unaffected- . 167 

 Licenses of radiotelegraph operators as officers; oath; affirmation of applica- 

 tion; perjury; penalty 168 



Licenses of radiotelegraph operators as officers; exhibition of license 168 



Licenses of radiotelegraph operators as officers; Great Lakes operators 



unaffected 168 



Licenses of radiotelegraph operators as officers; number of operators to be 



carried unaffected 169 



Subchapter BE.— Staff Officers 



Registration of pursers and surgeons; creation of staff departments on 



vessels; medical division; purser's division 170 



Registration of pursers and surgeons; creation of staff departments on 

 vessels; medical division; purser's division; qualifications 170 



Registration of pursers and surgeons; creation of staff departments on 

 vessels; medical division; purser's division; oath or affirmation 171 



Registration of pursers and surgeons; creation of staff departments on 

 vessels; medical division; purser's division; members of Naval Reserve, 

 insignia 171 



Registration of pursers and surgeons; creation of staff departments on 

 vessels; medical division; purser's division; offenses; penalties; Great 

 Lakes 171 



Registration of pursers and surgeons; creation of staff departments on 



vessels; medical divisions; purser's division ; rules and regulations 172 



Registration of pursers and surgeons; creation of staff departments on 



vessels; medical divisions; vessel of the United States defined 172 



Subchapter 6F. — Merchant Seamen 



Continuous discharge book and certificate of identification 173 



Continuous discharge book and certificate of identification; extension of 



section 643(b) to other vessels and waters in national interest 176 



Continuous discharge book and certificate of identification; exception 



as to unrigged vessels 176 



Requirements, qualifications; and regulations as to crews 176 



Certificate of service as able seaman 177 



Exception to section 672; certain persons as able seamen 177 



Exception to section 672; seagoing barges 177 



Certification of Able Seamen Convention, 1946 178 



Understandings by the United States Government 180 



Record of certificates of service 180 



Muster of crew on motion or information; rules and regulations; ex- 

 amination of applicant for certificate of service as able seaman; 



surrender of certificates, new certificates 181 



Members of the engine department 182 



Rules as to certificates of service or efficiency 182 



Certificates of service for other ratings 182 



Suspension or revocation of certificates of service or efficiency 183 



Penalty for service without certificate of service 183 



Freedom of seaman unimpaired 183 



