Free Route Airspace (FRA): A specified airspace within which users may freely plan a route between a defined entry point and a defined exit point, with the possibility to route via intermediate (published or unpublished) way points, without reference to the
ATS route network, subject to airspace availability. Within this airspace, flights remain subject to air traffic control.
South East Common Sky Initiative (SECSI): Initiative of several States/ANSPs on European Southeast Axis traffic flow to implement cross-border
FRA.
South East Common Sky Initiative Free Route Airspace (SECSI FRA): The airspace volume consisting of airspace volumes defined in ENR 2.2 of the corresponding AIPs where cross-border application of
FRA is implemented.
FRA Arrival Connecting Point (A): A published Significant Point to which
FRA operations are allowed for arriving traffic to specific aerodromes. The
FRA relevance of such points shall be included in ENR 4.1/4.4 columns as (A). Indications on their use for arrivals to specific aerodromes shall be notified via the RAD.
FRA Departure Connecting Point (D): A published Significant Point from which
FRA operations are allowed for departing traffic from specific aerodromes. The
FRA relevance of such points shall be included in ENR 4.1/4.4 columns as (D). Indications on their use for departures from specific aerodromes shall be notified via the
RAD.
FRA Horizontal Entry Point (E): A published Significant Point on the horizontal boundary of the Free Route Airspace from which
FRA operations are allowed. The
FRA relevance of such points shall be included in ENR 4.1/4.4 columns as (E). If this point has specific conditions of utilization, this shall be described in the
RAD.
FRA Horizontal Exit Point (X): A published Significant Point on the horizontal boundary of the Free Route Airspace to which
FRA operations are allowed. The
FRA relevance of such points shall be included in ENR 4.1/4.4 columns as (X). If this point has specific conditions of utilization, this shall be described in the RAD.
FRA Intermediate Point (I): A published Significant Point or unpublished point, defined by geographical coordinates or by bearing and distance via which
FRA operations are allowed. If published, the
FRA relevance of such points shall be included in ENR 4.1/4.4 columns as (I). If this point has specific conditions of utilization, this shall be described in the
RAD.
Route Availability Document (RAD): A common reference document containing the policies, procedures and description for route and traffic orientation. It also includes route network and free route airspace utilisation rules and availability.