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How big is Class C airspace?

Class C airspace areas should initially be designed as two concentric circles centered on the airport reference point. The surface area should have a 5 NM radius, and the outer limits of the airspace area should not extend beyond a 10 NM radius.



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Although the configuration of each Class C airspace area is individually tailored, the airspace usually consists of a 5 NM radius core surface area that extends from the surface up to 4,000 feet above the airport elevation, and a 10 NM radius shelf area that extends no lower than 1,200 feet up to 4,000 feet above the ...

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The approval needed to enter Class C airspace is like Class D in that you do not need a specific clearance, but you do need to establish two-way communication with control. To be able to enter Class C airspace, a pilot must contact ATC prior to arrival.

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Can we fly over it? Technically yes, BUT it's still a very bad idea because a motor out would force you to descend through the Class C airspace. We CAN'T fly here without special permission from ATC. Permission should be obtained in advance by telephone (some controllers will accept a radio call).

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Class D airspace is most often found starting at the surface and extending up to and including 2,500 feet within a radius of 5 statute miles from the primary airport.

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To enter Class C airspace, all aircraft must meet the following requirements:
  • Two-way radio.
  • Mode-C transponder.
  • ADS-B Out device.
  • Establishment of two-way communication with the airspace controller.
  • Follow speed restrictions.


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How to get Approval to Enter Class C Airspace. The approval needed to enter Class C airspace is like Class D in that you do not need a specific clearance, but you do need to establish two-way communication with control. To be able to enter Class C airspace, a pilot must contact ATC prior to arrival.

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Aircraft not complying with the requirements may be denied access to this airspace. As described in 14 CFR 91.225, ADS-B Out performance is required to operate in: Class A, B, and C airspace.

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Class C is labeled on a VFR sectional chart using solid magenta lines. To operate VFR inside Class C, visibility must be greater than 3 statute miles and a pilot cannot fly any closer to the clouds than 500 feet below, 1,000 feet above, and 2,000 feet horizontally.

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If you are receiving flight following, you are automatically cleared to enter the outer ring of a TFR and to enter Class C or D airspace. However, there is one circumstance that flight following will not protect you from, and that is flying into Class B airspace.

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Class C Airspace Standards: They will have Ground Control, Tower, and Approach Control. Approach Control typically controls an area 20-30 miles from the airport, yet you only LEGALLY need to talk to them if you are entering into Class C airspace.

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Both Visual Flight Rules (VFR) and Instrument Flight Rules (IFR) traffic can operate within Class C airspace provided they meet the operational requirements and are within weather minimums for their flight rules.

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Class C: This is the controlled airspace above 7,500 feet and surrounding major airports. Both IFR and VFR flights are permitted and both require ATC clearance and separation service is to be provided by ATC. Class G: This airspace is uncontrolled.

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Airlines, student pilots, corporate jets, and weekend fliers all share Class C Airspace. While you may not need a clearance to enter it, there are a few things you should know...

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Class F. Class F is not used in the United States. In Canada, Class F is the equivalent of U.S. special use airspace including restricted and alert areas, while ICAO defines it as a hybrid of Class E and Class G, in which ATC separation guidance is available but not required for IFR operation.

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Class C Airspace (Mandatory Radar) A shelf area with an outer radius of 10 nautical miles surrounds the core area. It extends from 1200 feet AGL to 4000 feet AGL. The airspace is depicted on charts as 2 concentric magenta circles.

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