Versions of s. 391(5)

For the purposes of subsection (3), the court shall require any surveyor of ships, or any person appointed for the purpose by the Minister, or, if such a surveyor or person cannot be obtained without unreasonable expense or delay, or is not, in the opinion of the court, competent to deal with the special circumstances of the case, any other impartial surveyor appointed by the court, and having no interest in the ship, its freight or cargo, to survey the ship and to answer any question concerning it that the court may think fit to put.