REALLY APPRECIATE YOUR GREAT EFFORTS And so each of the shippers has entered into an agreement with the owner of the ship, called a “contract of carriage”. Similarly, the charterer leased the cargo space of the vessel as part of the voyage charter. But the master and crew remain under the disposition and instructions of the ship`s suitability and ship managers. In most cases, the mooring time would begin when the ship arrives in port. In the term charter, this is called “Arrived Ship”. There are four main methods to charter a tramp boat – travel charter, time rental, cash boat rental and “package contract”. Travel chartering is the most common. Under this method, a ship is chartered at a negotiated freight rate for a one-way trip between certain ports with a given cargo.