gidiş bileti kullanılmazsa dönüş biletinin yanması

• bir iata (the ınternational air transport association) kuralıdır. bu birliğe dahil olan tüm havayolu şirketlerince uygulanmaktadır. kısaca, neredeyse standart bir uygulamadır.
  
  bu uygulamaya takılmak istemiyorsanız, gidiş uçağında check-in yapılması gerekmektedir. (bu bilginin teyit edilmesi gerekmekte - bileti aldığınız şirket ile iletişime geçebilirsiniz)
  
  ayrıca firmalarda genelde aşağıdaki uyarı bulunmaktadır;
  
  artıcle 8 – check-in and boardıng
  
  8.1. check-ın deadlines (cıd) vary from one airport to another. passengers must imperatively comply with check-ın deadlines, in order to facilitate their journey and avoid their reservations being cancelled. the carrier or its authorised agent shall provide passengers with all requisite information on the check-ın deadline for their first flight with the carrier. ıf the passenger’s journey includes subsequent flights, it is the passenger’s responsibility to check that they are in possession of all the information relating to check-ın deadlines for these flights.
  
  8.2. passengers must arrive sufficiently early before the flight, in order to be able to carry out all the necessary formalities for their journey; in any event, they must comply with the check-ın deadline. should the passenger fail to do so or should the passenger not present all the documents allowing them to be checked-in and therefore be unable to travel, the carrier may cancel the passenger's reservation, without any liability towards the passenger.
  
  8.3. passengers must be present at the boarding gate prior to the boarding time specified at check-in. the carrier may cancel a passenger’s reservation if the passenger is not present at the boarding gate at the latest by the boarding time specified to the passenger, without any liability to the passenger.
  
  8.4. the carrier may not be held liable in any way, in particular for any loss, damage or disbursement, if a passenger has not complied with the conditions of this article.