不定期航班(Non-Scheduled Services):是指航空承运人或航空运营人不以取酬或出租为目的,未通过本人或者其他代理人以广告或者其他形式提前向公众公布的,包括起飞地点、起飞时间、到达地点和到达时间在内的任何载客运行。
提供定期航班服务的承运人,或提供不定期航班但营运19个或以上座位的飞机的承运人,必须指定一名以上投诉处理人。
As a carrier providing scheduled service or a carrier providing nonscheduled service using aircraft with 19 or more passenger seats, you must designate one or more CROs.
如果您出具的客票是不定期的,您可根据我们的运价规则和航班座位可利用情况定座。
When a Ticket is originally issued without a reservation being specified, space may be later reserved subject to our Tariff and the availability of space on the flight requested.
到中国去的平信要靠船运。而船的航班是不定期的。
Ordinary mail to China goes by boat and the sailings are irregular.
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