订无陪儿童机票有那些规则？

适用年龄：无陪儿童是指年龄在5周岁（含）以上至12周岁以下的儿童。 

购票规定：无陪儿童的票价通常按正常成人票价的50%收取。购买无陪儿童票时，需要提供儿童的身份证明文件（如户口本、身份证或护照等）以及家长的有效证件。

预订和办理：无陪儿童机票的座位预订时间一般截止到起飞日期之前的那段时间，建议提前了解清楚预订座位的流程和时间要求。家长需要提前到达机场，办理好相关的手续，并将儿童交到航班乘务员手中。 

安全和服务：航空公司会对无陪儿童提供特殊的服务和照顾，例如在航班上的监控和地面接送服务。家长需要提供在航班到达站安排的接送人姓名、联系地址、电话等信息。

 限制和例外：每个航班运送的无陪儿童数量有限。此外，航空公司一般不接受5周岁以下儿童的无陪乘机申请。 请注意，具体的规则可能会根据不同航空公司的规定有所差异，因此在购票前最好直接咨询相关航空公司获取最准确的信息。

Applicable Age: Unaccompanied children refer to children aged 5 (inclusive) to under 12. 

Ticketing: The ticket price for unaccompanied children is usually 50% of the regular adult fare. When purchasing a ticket for an unaccompanied child, need to provide the child's identification documents (such as a household registration book, ID card, or passport) and the parent's valid identification. 

Booking and Processing The booking time for unaccompanied children's seats is generally up to the day before the flight date. It is recommended to understand the booking process and time requirements advance. Parents need to arrive at the airport early, complete the necessary procedures, and hand the child over to the flight attendants. 

Safety and Service: Airlines special services and care for unaccompanied children, such as monitoring during the flight and ground pick-up and drop-off services. Parents need to provide the name, address, and phone number of the person arranging the pick-up at the destination. 

Restrictions and Exceptions: There is a limit on the number of unaccompanied each flight can carry. Additionally, airlines generally do not accept applications for unaccompanied children under the age of 5. Please note that the specific rules may depending on the airline, so it is best to consult the relevant airline directly for the most accurate information before purchasing a ticket.