2560. In a voyage policy, there is an implied warranty that at the commencement of the voyage the ship will be seaworthy for the purpose of the particular adventure insured.
Where the risk attaches while the ship is in port, there is also an implied warranty that, at the commencement of the risk, she will be fit to encounter the ordinary perils of the port; where the different stages of a voyage require different kinds of or further preparation or equipment for the ship, there is an implied warranty that the ship will be seaworthy at the commencement of each stage.