An immigration inspector may, when conducting an examination set forth in Article 7, paragraph (1), board a vessel or aircraft.
Read this with the articles around it
vessels, etc.machine translation
「船舶等」
Ships and aircraft.
Short name set inArticle 2, paragraph (1), item (ii)
immigration inspector
「入国審査官」
The immigration official provided for in Article 61-3, who examines people landing in Japan and cases for deportation, among other duties.
Defined inArticle 2, paragraph (1), item (x)· applies throughout the law