Translations for take possession in French

Here are paragraphs from public domain books translated:

"Well," said I, "I've come aboard to take possession of this ship, Mr. Hands, and you'll please regard me as your captain until further notice."	— Je suis venu à bord pour prendre possession de ce navire, maître Hands ; et jusqu’à nouvel ordre vous êtes prié de me considérer comme votre capitaine.
Treasure Island, by Robert Louis Stevenson	L’Île au trésor, de Robert Louis Stevenson