Hahn Air Systems GmbH
Hahn Air Systems GmbH is a global consolidation service that brings the content of transportation providers such as airlines, high-speed railway companies and tour operators into Global Distribution Systems, which travel agencies use to book and issue tickets. The services of Hahn Air Systems’ clients can be found under the two-letter codes H1 and 5W in all major GDS. Tickets need to be issued on an HR-169 ticket. HR is the two-letter designator and 169 is the billing code of Hahn Air Lines GmbH, the sister company of Hahn Air Systems.