The full name of the seaman's competency certificate is the seaman's competency certificate of People's Republic of China (PRC) and China, which is a valid competency certificate that is consistent with the navigation area, type, grade or main engine type of the ship, and is held by the captain, senior crew, sailor on duty and mechanic on duty employed on the seagoing ship registered in China.

Category of competency certificate

Competency certificates are divided into four categories: A, B, C and D. ..

Grade a certificate of conformity

Class A certificate of competency is applicable to: the captain, first mate, second mate and third mate of ships with a gross tonnage of 3000 tons or above in the infinite navigation area; 2. The chief engineer, big tube wheel, second tube wheel and third tube wheel of the ship with the main propulsion power plant of 3000 kW and above in the infinite navigation area; 3.GMDSS first-class radio electronic member; 4.GMDSS secondary radio electronic member; 5.GMDSS switchboard.