Notice of Proposed Change - Changes to General Aviation Aerodrome Procedures (GAAP), Class D procedures, and miscellaneous air traffic procedures
In July 2009, the Civil Aviation Safety Authority (CASA) introduced a number of changes to procedures at GAAP aerodromes. These changes included a limitation on the number of aeroplanes operating simultaneously in a particular aerodrome traffic circuit; a requirement for all aircraft to obtain an air traffic control (ATC) clearance to enter, cross or taxi along any runway and changes to ATC hours of operation.
In addition, CASA gave notice that all GAAP aerodromes would be required to introduce ICAO Class D procedures from 21 April 2010. This implementation date has since been changed to 03 June 2010.
The introduction of Class D procedures requires some changes to MOS Part 172 and the Aeronautical Information Publication (AIP). CASA constantly reviews the standards contained in various Manuals of Standards, and has identified a number of obsolete or non-standard entries in MOS Part 172. The NPC covering GAAP/Class D changes provides an ideal opportunity to address a number of these issues.
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