GEN TOC
ENR TOC
AD TOC
Index
ENR 2.2 OTHER REGULATED AIRSPACE 1. 1.1 1.1.1 OPERATIONS IN OCEANIC CONTROLLED AIRSPACE Clearance Requirements Aircraft not in receipt of an airways clearance in another FIR are required to obtain an airways clearance prior to entering Australian administered Class A airspace. Clearances may be issued by the primary guard station prior to FIR entry. If a clearance is not received 15 minutes prior to entry, it may be obtained directly by one of the following methods: a. Voice clearances may be obtained from Brisbane on INO-1, SEA-3, SP-6 or other advised frequencies as appropriate. b. CPDLC clearances may be obtained from Brisbane (YBBB) or Melbourne (YMMM), as appropriate. 1.2 1.2.1 Mach Number Technique Mach Number Technique (MNT) is the term used to describe the method of clearing successive jet aircraft, operating along the same track, to maintain specified mach numbers in order to maintain longitudinal separation. The MNT may be used by ATC in the application of longitudinal separation standards on routes within oceanic controlled airspace. Pilots of jet aircraft must include the planned true Mach Number in their flight plans. Pilots are required to read back and maintain an assigned Mach Number. ATC approval must be obtained before making any change. If an immediate temporary Mach Number change is essential (eg, due to turbulence), ATC must be notified as soon as possible that such a change has been made. MNT may also be applied by ATC in other Australian airspace. Weather Deviations – General The following procedures provide guidance for pilot action when weather deviations are required in oceanic controlled airspace. As all possible circumstances cannot be covered, the pilot’s judgement must ultimately determine the sequence of actions to be taken. A/L 45 effective 24 NOV 05
1.2.2
1.2.3
1.2.4 1.3 1.3.1
ENR (EN ROUTE)
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ENR TOC
AD TOC
Index
ENR 2.2 OTHER REGULATED AIRSPACE 1. 1.1 1.1.1 OPERATIONS IN OCEANIC CONTROLLED AIRSPACE Clearance Requirements Aircraft not in receipt of an airways clearance in another FIR are required to obtain an airways clearance prior to entering Australian administered Class A airspace. Clearances may be issued by the primary guard station prior to FIR entry. If a clearance is not received 15 minutes prior to entry, it may be obtained directly by one of the following methods: a. Voice clearances may be obtained from Brisbane on INO-1, SEA-3, SP-6 or other advised frequencies as appropriate. b. CPDLC clearances may be obtained from Brisbane (YBBB) or Melbourne (YMMM), as appropriate. 1.2 1.2.1 Mach Number Technique Mach Number Technique (MNT) is the term used to describe the method of clearing successive jet aircraft, operating along the same track, to maintain specified mach numbers in order to maintain longitudinal separation. The MNT may be used by ATC in the application of longitudinal separation standards on routes within oceanic controlled airspace. Pilots of jet aircraft must include the planned true Mach Number in their flight plans. Pilots are required to read back and maintain an assigned Mach Number. ATC approval must be obtained before making any change. If an immediate temporary Mach Number change is essential (eg, due to turbulence), ATC must be notified as soon as possible that such a change has been made. MNT may also be applied by ATC in other Australian airspace. Weather Deviations – General The following procedures provide guidance for pilot action when weather deviations are required in oceanic controlled airspace. As all possible circumstances cannot be covered, the pilot’s judgement must ultimately determine the sequence of actions to be taken. A/L 45 effective 24 NOV 05
1.2.2
1.2.3
1.2.4 1.3 1.3.1
ENR (EN ROUTE)
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