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Mobility and Transport

South-East Axis Free Route Airspace (SEAFRA) – making possible extra-EU cooperation on airspace

By: Croatia Control, Serbia and Montenegro Air Traffic Services and Bosnia and Herzegovina Air Navigation Services Agency


SEAFRA is the first cross-border application of 24-hour free route airspace in Europe. The project brings together four countries: Croatia and Bosnia and Herzegovina, which are part of a Functional Airspace Block (FAB), with Serbia and Montenegro, which are not a part of any FAB initiative. By doing so SEAFRA provides a concrete example of how this type of cooperation is possible and can benefit all stakeholders. The idea of such large-scale free route airspace was initiated to improve safety and efficiency, as well as environmental protection by reducing fuel consumption.

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