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Revision as of 09:46, 25 February 2008 by Editor1
Controlled airspace is an airspace of defined dimensions within which air traffic control services are provided to Instrument Flight Rules (IFR) flights and to Visual Flight Rules (VFR) flights in accordance with the airspace classification.
(ICAO Annex 11 — Air Traffic Services)
ICAO Annex 11 — Air Traffic Services