单项选择题 Shipowner is a person who（）.

单项选择题 Services rendered notwithstanding the express and reasonable prohibition of the owner or the master of the vessel or the owner of any other property in danger（）on board the vessel shall not give rise to payment under this Convention.

单项选择题 Regulations require certain records to be retained on board for at least 3 months after a ship is involved in a casualty or until advised that they are no longer needed on board by the （）.