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Classes of Airspace

Classes of Airspace. OCdt Kenny Wu. 401.06 Airspaces. Airspace Classes (A through G) Confirmation Activity – Airspace Model Labelling. Review - Controlled airspace.

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Classes of Airspace

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  1. Classes of Airspace OCdt Kenny Wu

  2. 401.06 Airspaces • Airspace Classes (A through G) • Confirmation Activity – Airspace Model Labelling

  3. Review - Controlled airspace • "controlled airspace" - means an airspace of fixed dimensions that is so specified in the Designated Airspace Handbook and within which air traffic control service is provided.

  4. Class a airspace VFR Flight in Class A Airspace (CAR 601.06) (1) No person shall operate a VFR aircraft in Class A airspace unless the aircraft is operated in accordance with an authorization issued by the Minister. (2) The Minister may issue an authorization referred to in subsection (1) where the operation of the aircraft is in the public interest and is not likely to affect aviation safety. (3) All Flights require an ATC clearance to enter Class A airspace.

  5. Class a airspace • “High Level Airspace” | Above 18000’ ASL in Southern Domestic Airspace • Generally, controlled IFR traffic only

  6. Class b airspace • VFR Flight in Class B Airspace (CAR 601.07) • (1) No person shall operate a VFR aircraft in Class B airspace unless the aircraft is operated in accordance with an air traffic control clearance or an authorization issued by the Minister. • (2) The Minister may issue an authorization referred to in subsection (1) where the operation of the aircraft is in the public interest and is not likely to affect aviation safety. • (3) The pilot-in-command of a VFR aircraft operating in Class B airspace in accordance with an air traffic control clearance shall, when it becomes evident that it will not be possible to operate the aircraft in VMC at the altitude or along the route specified in the air traffic control clearance, • (a) where the airspace is a control zone, request authorization to operate the aircraft in special VFR flight; and • (b) in any other case, • (i) request an amended air traffic control clearance that will enable the aircraft to be operated in VMC to the destination specified in the flight plan or to an alternate aerodrome, or • (ii) request an air traffic control clearance to operate the aircraft in IFR flight.

  7. Class B airspace • “Low Level Airspace” | Above 12500’ – 18000’ ASL • IFR and Controlled VFR Traffic – all Aircraft receive ATC service Oxygen required if flying above 10000’ for greater than 30 minutes, or above 13000’

  8. Class c airspace • VFR Flight in Class C Airspace (CAR 601.08) • (1) Subject to subsection (2), no person operating a VFR aircraft shall enter Class C airspace unless the person receives a clearance to enter from the appropriate air traffic control unit before entering the airspace. Pilot must hold either a valid pilot’s licence or a student pilot permit • (2) The pilot-in-command of a VFR aircraft that is not equipped with radio-communication equipment capable of two-way communication with the appropriate air traffic control unit may, during daylight in VMC, enter Class C airspace if the pilot-in-command receives authorization to enter from the appropriate air traffic control unit before entering the airspace. • (3) Class C airspace becomes Class E airspace when the appropriate air traffic control unit is not in operation.

  9. Class c airspace • Controlled airspace, IFR and VFR aircraft permitted, clearance to enter required • Often, transponder with pressure altitude transmission required (Mode C)

  10. What shape are control zones?

  11. Class d airspace • VFR Flight in Class D Airspace (CAR 601.09) • (1) Subject to subsection (2), no person operating a VFR aircraft shall enter Class D airspace unless the person establishes two-way radio contact with the appropriate air traffic control unit before entering the airspace. • (2) The pilot-in-command of a VFR aircraft that is not equipped with radio communication equipment capable of two-way communication with the appropriate air traffic control unit may, during daylight in VMC, enter Class D airspace if the pilot-in-command receives authorization to enter from the appropriate air traffic control unit before entering the airspace. • (3) Class D airspace becomes Class E airspace when the appropriate air traffic control unit is not in operation.

  12. Class d airspace • Controlled airspace; IFR and VFR traffic permitted • Two-Way communication required before entry

  13. Class e airspace • Class E airspace is designated where an operational need exists for controlled airspace but does not meet the requirements for Class A, B, C, or D. • Operations may be conducted under IFR or VFR. ATC separation is provided only to aircraft operating under IFR. There are no special requirements for VFR. • Aircraft are required to be equipped with a transponder and automatic pressure altitude equipment to operate in Class E airspace that is specified as transponder airspace (see the TC AIM: RAC 1.9.2). • Low level airways, control area extensions, transition areas, or control zones established without an operating control tower may be classified as Class E airspace.

  14. Class e airspace • Controlled airspace • ATC service to IFR traffic; no requirements for VFR traffic • Nighttime closed towers, airways, control zone extensions, transition areas…

  15. Class f airspace • Class F Airspace(CAR 601.04) • IFR or VFR Flight in Class F Special Use Restricted Airspace or Class F Special Use Advisory Airspace • (1) The procedures for the operation of aircraft in Class F Special Use Restricted airspace and Class F Special Use Advisory airspace are those specified in the Designated Airspace Handbook. • (2) No person shall operate an aircraft in Class F Special Use Restricted airspace unless authorized to do so by the person specified for that purpose in the Designated Airspace Handbook.

  16. Class f Designations • Part a) will consist of the nationality letters "CY"; and • Part b) will consist of the letter "D" for Danger Area, "R" for Restricted Area or the letter "A" for Advisory Area; and • Part c) will consist of a three-digit number which will identify the area

  17. CYR - Occasional • CYR157 COMOX, BC The airspace within the area bounded by a line beginning at: N51°59'00.00" W127°05'00.00" to N51°03'42.00" W125°15'00.00" to N51°00'00.00" W125°15'00.00" to N50°36'00.00" W125°47'00.00" to N51°22'00.00" W127°26'00.00" to N51°35'00.00" W127°36'00.00" to N51°59'00.00" W127°05'00.00" point of beginning • Designated Altitude – 7000´ to 17,000´ • Time of Designation – Ocsl by NOTAM • User Agency – 19 Wing Operations Centre, Comox (250) 339-8231 (CSN) 252-8231 • Controlling Agency – Vancouver ACC (604) 586-4500 • Operating Procedures – No person shall operate an aircraft within the area described unless the flight has been authorized by the User/Controlling Agency.

  18. CYR - continuous • CYR141 MATSQUI, BC (Abbotsford, BC) The airspace within the area bounded by lines tangent to circles of: 0.8 mile radius centred on N49°01'35.00" W122°18'10.00" and N49°01'10.00" W122°18'05.00" • Designated Altitude – Surface to 300´ • Time of Designation – Cont User/Controlling Agency – Warden, Pacific Institution (604) 870-7755 • Operating Procedures – No person shall operate an aircraft within the area described unless the flight has been authorized by the User/Controlling Agency.

  19. Class f advisory • CYA188(A)(T) GLEN VALLEY, BC The airspace within the area bounded by a line beginning at: N49°10'10.05" W122°28'18.86" to N49°09'09.48" W122°24'06.96" to N49°07'52.92" W122°22'47.00" to N49°06'27.31" W122°22'47.00" thence counter-clockwise along the arc of a circle of 5 miles radius centred on N49°01'31.00" W122°21'38.00" to N49°05'53.00" W122°25'20.3" to N49°05'53.00" W122°32'50.0" to N49°09'51.72" W122°31'48.87" to N49°10'10.05" W122°28'18.86" point of beginning • Designated Altitude – Surface to 5500´ • Time of Designation – Cont daylight • Operating Procedures – The rules for Class G airspace apply when the area is active. When not active, the rules for the applicable surrounding airspace apply

  20. Class g airspace • Class G airspace is airspace that has not been designated Class A, B, C, D, E or F, and within which ATC has neither the authority nor the responsibility to exercise control over air traffic. • However, ATS units do provide flight information and alerting services. The alerting service will automatically alert SAR authorities once an aircraft becomes overdue, which is normally determined from data contained in the flight plan or flight itinerary. • In effect, Class G is all uncontrolled domestic airspace.

  21. Memory aides • A t and Above 18,000' asl.  Airliners and other IFR trafficB etween 12,500' and 18,000' asl. Clearance required to enterDialogue required -- Don't enter without talking to the controller first.E veryone gone home.Fancy stuff - special use airspace General uncontrolled airspace

  22. Altimeter setting and standard pressure regions • Altimeter Setting Region – defined area in line with the Southern Domestic Airspace below 18000’ ASL • Set to provided altimeter setting, or current aerodrome elevation • Standard Pressure Region – all airspace above 18000’ and all airspace outside of the Altimeter Setting Region • Set to standard pressure 29.92”Hg

  23. mcq "Controlled Airspace" means all airspace of defined dimensions within which (1) Control Zone regulations are in force. (2) security regulations are in force. (3) Special VFR flight only is permitted. (4) an ATC service is provided.

  24. mcq VFR cross-country pilots wishing to cross through any part of a Class C Control Zone should (1) advise the associated FSS. (2) monitor the Approach Control frequency. (3) advise ATC of their intentions and obtain a clearance. (4) conform with circuit direction at that airport.

  25. mcq VFR flight within Class B airspace is permitted (1) only when the flight visibility is 5 miles or better. (2) for all aircraft except gliders and balloons. (3) if the pilot holds a Class B Airspace Endorsement. (4) in accordance with an ATC clearance.

  26. mcq The pilot of an arriving VFR flight shall make initial radio contact with a control tower in Class C airspace (1) immediately after entering the Control Zone. (2) 10 NM outside the Control Zone. (3) prior to entering the Control Zone. (4) immediately prior to joining the circuit.

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