No master, owner or agent of [a special trade passenger ship] [Substituted by Act 69 of 1976, Section 2, for " an unberthed passenger ship " (w.e.f. 1.12.1976).] or a pilgrim ship shall land any [special trade passenger] [ Substituted by Act 69 of 1976, Section 2, for " Unberthed passenger " (w.e.f. 1.12.1976).] or pilgrim at any port or place other than the port or place at which the special trade passenger or pilgrim may have contracted to land, unless with his previous consent, or unless the landing is made necessary by perils of the sea or other unavoidable accident.