CASA OAR 086/26 — Determination of Airspace and Controlled Aerodromes, Etc. (Designated Airspace Handbook) Instrument 2026

Instrument number CASA OAR 086/26 #

I, ADRIAN PAUL SLOOTJES, National Manager, Air Navigation, Airspace & Aerodromes, Air Navigation, Transformation & Risk Division, a delegate of CASA, make this instrument under regulation 5 of the Airspace Regulations 2007.[Signed A. Slootjes]Adrian SlootjesNational Manager, Air Navigation, Airspace & AerodromesAir Navigation, Transformation & Risk Division6 July 2026CASA OAR 086/26 — Determination of Airspace and Controlled Aerodromes, Etc. (Designated Airspace Handbook) Instrument 2026ContentsNote This Table of Contents is for guidance only. It is not a formal part of the instrument and may be modified or edited in any published version of the instrument.

Page #

1 Name2 Commencement3 Repeal4 Definitions5 Determinations of airspace and controlled aerodromes, etc.6 Determination that airspace of a class becomes airspace of another class7 Emergency determination that airspace of a class becomes airspace of another class8 Determination for voice deactivation of Class C Control ZonesSCHEDULE 1 – FLIGHT INFORMATION REGIONSSCHEDULE 2 – FLIGHT INFORMATION AREASSCHEDULE 3 – CLASS A AIRSPACESCHEDULE 4 – CLASS C AIRSPACESCHEDULE 5 – CLASS C CONTROL ZONESSCHEDULE 6 – CLASS D AIRSPACESCHEDULE 7 – CLASS D CONTROL ZONESSCHEDULE 8 – CLASS E AIRSPACESCHEDULE 9 – CLASS G AIRSPACESCHEDULE 10 – CONTROLLED AERODROMES

1 Name #

This instrument is CASA OAR 086/26 — Determination of Airspace and Controlled Aerodromes, Etc. (Designated Airspace Handbook) Instrument 2026.

2 Commencement #

This instrument commences at 1600 Coordinated Universal Time on 8 July 2026.Note The instrument was published in the AIP Designated Airspace Handbook (the DAH) on 9 July 2026. The instrument is also a legislative instrument and it was registered before it commenced.

3 Repeal #

Instrument CASA OAR 186/25 — Determination of Airspace and Controlled Aerodromes, Etc. (Designated Airspace Handbook) Instrument 2025 is repealed.

4 Definitions #

In this instrument:AIP includes a NOTAM.Controlling Authority for a volume of airspace, or part of a volume of airspace, mentioned in a Schedule, means one of the following:(a) subject to paragraphs (b) and (c), the Controlling Authority mentioned in the Schedule for the volume of airspace, including any part of the volume of airspace;(b) for Schedule 2, 3, 4 or 5, where the Controlling Authority mentioned in the Schedule for the volume of airspace, or part of the volume of airspace, is not the Department of Defence – RAAF (the RAAF) — the RAAF by agreement between the RAAF and Airservices Australia (AA) as expressed in acceptance by the RAAF of a voice telecommunication from AA releasing the airspace, or part of the airspace, to the RAAF;(c) for Schedule 2, 4 or 5, where the Controlling Authority mentioned in the Schedule for the volume of airspace, or part of the volume of airspace, is not AA — AA by agreement between AA and the RAAF as expressed in acceptance by AA of a voice telecommunication from the RAAF releasing the airspace, or part of the airspace, to AA.Note For reader guidance only: in practice, releases are strictly in accordance with written procedures established by AA and the RAAF.hours of activity means the hours during which:(a) the air traffic control (ATC) service for a volume of airspace remains available; and(b) the volume of airspace retains its initial classification.initial classification has the meaning given in subsection 6(1).

5 Determinations of airspace and controlled aerodromes, etc.#

(1) I determine that the volumes of airspace described in a Schedule listed in the following table (the Table) are the areas, regions or zones, or have the airspace classifications (in accordance with Annex 11 to the Chicago Convention) mentioned in the Table for the Schedule, in accordance with the details for each volume of airspace set out in the Schedule.Schedule | Areas, regions, zones or classificationsSchedule 1 | Flight information regionsSchedule 2 | Flight information areasSchedule 3 | Class A airspaceSchedule 4 | Class C airspaceSchedule 5 | Class C Control ZonesSchedule 6 | Class D airspaceSchedule 7 | Class D Control ZonesSchedule 8 | Class E airspaceSchedule 9 | Class G airspaceSchedule 10 | Controlled aerodromes(2) I determine that the aerodromes mentioned in Schedule 10 are controlled aerodromes.(3) Subject to sections 6 and 7, each of the determinations under this section ceases to have effect only if this instrument is:(a) repealed; or(b) amended, and then only in accordance with the amendment.

6 Determination that airspace of a class becomes airspace of another class #

(1) I determine that a volume of airspace, described in Schedule 3, 4, 5, 6, 7, 8 or 9 (a classification Schedule) as being of the class mentioned for it in the Table in subsection 5(1) (initial classification), temporarily ceases to be airspace of that class and becomes airspace of another specified class in accordance with the condition mentioned in subsection (2).(2) Subject to subsection (3), a volume of airspace with an initial classification as described in a classification Schedule ceases to be airspace of that class and becomes airspace of another specified class:(a) outside the hours of activity specified in the AIP or a NOTAM, that I have authorised in writing; or(b) if the ATC service for the volume of airspace has been suspended or has ceased functioning, in accordance with a NOTAM that I have authorised in writing.(3) A volume of airspace to which subsection (2) applies does not become airspace of another specified class if, at the time it would otherwise become such airspace:(a) AA continues temporarily to control the airspace under its initial classification (an extension of time); and(b) such control is necessary for aircraft separation or other operational reasons.(4) For subsection (3), the volume of airspace becomes airspace of another specified class when the extension of time ends.(5) The determination in subsection (1) ceases to have effect only if this instrument is:(a) repealed; or(b) amended, and then only in accordance with the amendment.

7 Emergency determination that airspace of a class becomes airspace of another class #

(1) I determine that a volume of airspace, described in Schedule 3, 4, 5, 6, 7, 8 or 9 (a classification Schedule) as being of the class mentioned for it in the Table in subsection 5(1) (initial classification), temporarily ceases to be airspace of that class and becomes airspace of another specified class in accordance with the condition mentioned in subsection (2).(2) A volume of airspace with an initial classification as described in a classification Schedule ceases to be airspace of that class and temporarily becomes airspace of another specified class (the new class) if hours of activity for the new class are specified in a NOTAM that is authorised in writing by me.(3) An authorisation may only be given on the grounds that emergency or other conditions affecting, or that are likely to affect, the relevant airspace make the temporary reclassification of that airspace necessary or prudent in the interests of aviation safety.(4) An authorisation mentioned in subsections (2) and (3) must include my determination that the grounds mentioned in subsection (3) exist.(5) An authorisation mentioned in subsections (2) and (3) may not remain in force for longer than 7 days but may be renewed in accordance with this section.(6) The determination in subsection (1) ceases to have effect only if this instrument is:(a) repealed; or(b) amended, and then only in accordance with the amendment.

8 Determination for voice deactivation of Class C Control Zone #

(1) Subject to this section, I determine that a volume of airspace described in Schedule 5 as a Class C Control Zone temporarily ceases to be a Class C Control Zone and becomes airspace of another specified class if:(a) the details for the Control Zone set out in Schedule 5 provide for its activation in accordance with an hours of activity statement that is a NOTAM (an activating NOTAM); and(b) the activating NOTAM specifies a finish time for the activation (the specified finish time); and(c) the Controlling Authority for the Control Zone uses voice telecommunication to a receiving ATC authority to deactivate the Control Zone earlier than the specified finish time (early deactivation) in accordance with subsection (2).Note Activation times specified in a NOTAM are in Coordinated Universal Time (UTC) unless otherwise indicated.(2) Early deactivation may only be carried out if:(a) the activity for which the activating NOTAM was published has been completed or otherwise terminated; and(b) I have, by instrument, authorised the early deactivation.(3) Early deactivation may not occur earlier than 60 minutes before the specified finish time unless an amending NOTAM is issued.(4) To avoid doubt, the period of activation of a Control Zone activated by NOTAM may not be extended by voice telecommunication past the specified finish time.Note 1 For an early deactivation within the 60 minutes before the specified finish time, an amending NOTAM is NOT required.Note 2 For an early deactivation that is earlier than 60 minutes before the specified finish time, an amending NOTAM IS required.Note 3 For an extension to the specified finish time, an amending NOTAM IS required.Note 4 A pro forma for an activating NOTAM is as follows:Reference/year NOTAMNA) [Insert details]B) [Insert start time specified in UTC]C) [Insert finish time specified in UTC]D) [Insert periods of activity details]E) [Insert details of Control Zone, including the following statement:“active; however, may be subject to early deactivation. Check status with [insert details of ATC authority].”]

Schedule 1 – flight information regions #

YBBB-YMMM/BRISBANE FIRLATERAL LIMITS: 140813S 1150832E - 120000S 1143000E120000S 1232000E - 092000S 1265000E070000S 1350000E - 095000S 1394000E095000S 1410000E - 093700S 1410200E091542S 1420330Ethen along QLD/PNG BORDER - 091924S 1424818E090800S 1435230E - 092400S 1441400E095634S 1440521Ethen along THE BARRIER REEF - 113000S 1440136E114330S 1440420E - 120000S 1440000E120000S 1550000E - 140000S 1550000E140000S 1611500E - 174000S 1630000E450000S 1630000E - 450000S 1500000E443357S 1500000E - 435103S 1503953E430000S 1510000E - 381119S 1501914E365643S 1504503Ethen along the counterclockwise arc of a circle radius 120.00NM centre345700S 1503200E (UXUTI/WPT) - 351859S 1525550E342822S 1514929Ethen along the counterclockwise arc of a circle radius 45.00NM centre335638S 1511057E (SY/DME) - 331611S 1504709E333003S 1501311E - 331836S 1500031E331103S 1495213E - 324914S 1492824E324303S 1492142E - 320540S 1484951E290000S 1463200E - 290000S 1433000E261331S 1382324E - 221751S 1363807E215132S 1362225E - 212959S 1361944E211209S 1315024E - 231313S 1282749E232349S 1260332E - 213119S 1243304E200318S 1214022E - 190000S 1201500E140813S 1150832EVERTICAL LIMITS: SFC - FL600HOURS OF ACTIVITY: H24CONTROLLING AUTHORITY: Airservices Australia

Ybbb-ymmm/melbourne fir #

LATERAL LIMITS: 060000S 0750000E - 020000S 0780000E020000S 0920000E - 120000S 1070000E120000S 1143000E - 140813S 1150832E190000S 1201500E - 200318S 1214022E213119S 1243304E - 232349S 1260332E231313S 1282749E - 211209S 1315024E212959S 1361944E - 215132S 1362225E221751S 1363807E - 261331S 1382324E290000S 1433000E - 290000S 1463200E320540S 1484951E - 324303S 1492142E324914S 1492824E - 331103S 1495213E331836S 1500031E - 333003S 1501311E331611S 1504709Ethen along the clockwise arc of a circle radius 45.00NM centre335638S 1511057E (SY/DME) - 342822S 1514929E351859S 1525550Ethen along the clockwise arc of a circle radius 120.00NM centre345700S 1503200E (UXUTI/WPT) - 365643S 1504503E381119S 1501914E - 430000S 1510000E435103S 1503953E - 443357S 1500000E450000S 1500000E - 450000S 1630000E900000S 1630000E - 060000S 0750000EVERTICAL LIMITS: SFC - FL600HOURS OF ACTIVITY: H24CONTROLLING AUTHORITY: Airservices Australia

Schedule 2 – flight information areas #

Note Within Australian FIR the Flight Information Service for operations in uncontrolled airspace is organised on the basis of Flight Information Areas. Within each FIR, FIS is provided by the Air Traffic Service Unit servicing the appropriate FIA.

Ymmm/adelaide centre 130.45 #

LATERAL LIMITS: 342011S 1382231E - 340756S 1381815Ethen along the clockwise arc of a circle radius 50.00NM centre345649S 1383128E (AD/DME) - 341716S 1390838E342756S 1385736Ethen along the clockwise arc of a circle radius 36.00NM centre345649S 1383128E (AD/DME) - 342127S 1382259E342011S 1382231EVERTICAL LIMITS: SFC - BCTA