When the Port Authority liable to pay compensation

(1) If upon such survey the ship is not reported to have been unfit to proceed to sea, having regard to the nature of the service for which she was intended, the Port Authority shall be liable to pay compensation to any person for any loss or damage which he may have sustained by reason of the detention of the ship for the purpose of survey, or otherwise in respect of such survey. (2) The compensation payable under this section shall not exceed twenty cents for every ton net register for every day or part of a day during which she has been detained.