海かい技ぎ免めん状じょう

noun

seamen's competency certificate

An official Japanese certificate issued to qualified seafarers, confirming their competency for specific maritime roles.

• 彼かれは海かい技ぎ免めん状じょうを取しゅ得とくして、船せん長ちょうとして働はたらいている。

  He obtained a seamen's competency certificate and works as a captain.