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Old 8th May 2015, 05:47
  #29 (permalink)  
Join Date: Dec 2000
Location: Australia
Posts: 1,055
Separation services (at least for some aircraft) are most definitely provided on area frequencies!
Take a look at a (say) VNC chart legend.

What we are talking about are the wide green lines, which are Class G FIA ("Area") frequency boundaries. Within those volumes from the surface up to the base of CTA a Flight Information Service is provided, not a separation service.

Wide dashed brown lines are Class E airspace boundaries, on which a separation service is provided to IFR aircraft.

In some instances the frequency used is the same, but the service in the volumes is in accordance with the airspace classification.

See AIP definitions for "Area VHF" and "FIA".

Last edited by CaptainMidnight; 8th May 2015 at 05:58.
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