任何船舶必须取得某国的国籍,悬挂该国的国旗才可以航行和营运。方便旗船就是在船舶登记开放或者宽松的国家进行登记,从而取得该国国籍,并悬挂该国国旗的船舶。由于开放登记国对入籍船舶的船龄要求较低,对船舶的经营管理不予干涉,对船员的雇佣不加限制,加之税收低、船舶配员要求较低,还可以降低船舶标准以节省设备配备的费用等,在成本上十分有利于船舶所有人,有利于在国际航运业中的竞争。因此方便旗船 Any ship must acquire the nationality of a country before it can fly and operate its flag. A convenience flag ship is a ship registered in a country open or relaxed by the ship to acquire the nationality of that country and to fly the flag of the country. Owing to the relatively low age requirement for naturalized ships, the open registration states will not interfere with the operation and management of the ships and will not limit the employment of crew members. In addition, the tax revenue will be low and the manning requirements of the ships will be lower. Ship standards can also be lowered to save equipment Equipped with the cost, etc., in the cost is very beneficial to the owner of the ship, is conducive to competition in the international shipping industry. So convenient flag ship