Its narrow-definition mainly indicates to track and manage the competency state and safe record after the crew get the certificate.

狭义的船员跟踪管理则主要是指对船员获得适任证书后的任职状况、安全记录等的跟踪管理。

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Crew end of the internship, the company replaced its sailors. Competency certificate mechanic on duty and arrange for the formal work on a ship crew.

船员实习期满后，公司为其更换水手。机工值班适任证书，并安排船员正式上船工作。

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