"deck officer" shall mean an officer qualified in accordance with the provisions of Chapter II of Annex I;
Mandatory minimum requirements for certification of officers in charge of a navigational watch on ships of 500 gross tonnage or more
1. Every officer in charge of a navigational watch serving on a seagoing ship of 500 gross tonnage or more shall hold an appropriate certificate.
2. Every candidate for certification shall:
2.1. be not less than 18 years of age
2.2. have approved seagoing service of not less than one year as part of an approved training programme which includes on-board training which meets the requirements of section A-II/1 of the STCW Code and is documented in an approved training record book, or otherwise have approved seagoing service of not less than three years
2.3. have performed, during the required seagoing service, bridge watchkeeping duties under the supervision of the master or a qualified officer for a period of not less than six months
2.4. meet the applicable requirements of the regulations in Chapter IV, as appropriate, for performing designed radio duties in accordance with the Radio Regulations
2.5. have completed approved education and training and meet the standard of competence specified in section A-II/1 of the STCW Code.