ENR 1.4 ATS AIRSPACE CLASSIFICATION 1. 1.1 1.1.1 CONTROLLED AIRSPACE General Controlled airspace is defined as “airspace of defined dimensions within which air traffic control services are provided to IFR flights and to VFR flights in accordance with the airspace classification”. Controlled airspace is a generic term which, in Australia, covers ATS airspace classes A, C, D and E, and control zones in which General Aviation Aerodrome Procedures (GAAP) are used. Controlled airspace is established generally on the basis of traffic density and substantial RPT turbo-jet operations and considerations of flight procedures. Such airspace does not necessarily cover routes to alternate aerodromes. Controlled airspace within the Brisbane and Melbourne FIRs is generally established as follows: Application S S S S Class C S S S S Class D within radar coverage – lower limit above FL180 and upper limit FL600; outside radar coverage – lower limit FL245 and upper limit FL600; an area extending from 90NM south of Melbourne to Launceston and Hobart, lower limit FL180 and upper limit FL600; and active military Restricted areas above FL285. within radar coverage south of Sydney, lower limit FL125 and upper limit FL180 under Class A airspace; in the control area steps associated with controlled aerodromes, excluding control area steps classified as Class D airspace; in control zones of defined dimensions; and active military Restricted areas at and below FL285 unless specified otherwise.
Class of Airspace Class A
Control zones of defined dimensions, and associated control area steps, upper limit 4,500FT. A/L 45 effective 24 NOV 05
ENR (EN ROUTE)
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