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Flexible Use of Airspace (FUA)

With the application of the Flexible Use of Airspace Concept (FUA), airspace is no longer designated as "civil" or "military" airspace, but considered as one continuum and allocated according to user requirements.
The FUA Concept provides the Air Traffic Managmeent (ATM) system with the potential to increase capacity.
The FUA Concept allows the maximum shared use of airspace through enhanced civil/military co-ordination. The application of the FUA Concept ensures that any airspace segregation is temporary and based on real use for a specified time period.

Flexible airspace structures have been established that are suited to temporary use:

  • Conditional Routes (CDRs) – non-permanent Air Traffic Services (ATS) routes or route-portions;

  • Temporary Segregated Areas (TSAs) and Temporary Reserved Areas (TRAs) – areas temporarily reserved for the exclusive use of specific users,

  • Cross-Border Areas (CBAs) – TSAs or TRAs established over international boundaries

  • Reduced Co-ordination Airspace (RCA) and Prior Co-ordination Airspace (PCA) – procedures enabling General Air Traffic (GAT) to operate outside the ATS route structure.

The Flexible Use of Airspace (FUA) Concept has been developed at the three Levels of Airspace Management that correspond to Civil/Military co-ordination tasks. Each Airspace Management (ASM) level has an impact on the others:

  • Strategic Level 1 – definition of the national airspace policy and establishment of pre-determined airspace structures;

  • Pre-tactical Level 2 – day-to-day allocation of airspace according to user requirements;

  • Tactical Level 3 – real-time use of airspace allowing safe Operational Air Traffic & General Air Traffic (OAT & GAT) operations.

In force in Europe since March 1996, the EUROCONTROL Concept of Flexible Use of Airspace needs to be enhanced within the next five years to exploit the airspace in a more dynamic manner by enabling late airspace (re-)allocation as close as practical to the time of operations in order to accommodate short-term changes in traffic situation and/or users requirements (FUA 2008/2010 Scenario).
  HTML More info on the Flexible Use of Airspace Concept …

Contact

Anders Hallgren
For further detailed information on the Flexible Use of Airspace Concept
Email: 
 
  Last validation: 30/07/2007