Navigation repair is a general repair project or accident repair that must be carried out by a shipyard or a ship repair station, which affects the normal operation of a ship during its operation. It is usually carried out when the ship stops at two flights. In order to shorten repair time and reduce the impact on normal operation, conditional repair can be made with the ship.

The shipping repair should take advantage of the berth time of the voyage at the port. The shipyard or the aviation repair station should take active attention to the repair work. The repair should be given to the ship. If necessary, the ship will be repaired with the ship, and the ship's transportation is not affected as much as possible.