Accident repair refers to the repair of the damaged parts of the ship due to the accident, such repair if the scope of the project is not large, generally can be carried out with the aviation repair project. But if the scope of the project is larger and the repair is difficult, the repair plan is still needed. The items, scope and duration of the accident repair shall be determined according to the actual damage situation and the complex requirements contained in the ship inspection report of the ship inspection institution. In the implementation of accident repair repair before, still need to repair the ship by single shipyard. For the accident damage, without affecting the airworthiness performance, without prejudice to the safe operation of the premise, you can make good records, until the planned care repair. Accident repair projects should focus on the preparation of single ship repair, and indicate the "accident repair", requires a separate invoice fee for this part of the shipyard repairs, and stamped with the "stamp accident repair" on the invoice as a claim.