What are the communication requirements when operating in Class E airspace?

You only have to maintain two-way communication in Class E airspace when flying IFR. All airports where there is an operating control tower requires two-way communication within 4 Nautical Miles of the airport housing the control tower at and below 2500 feet AGL at a minimum, regardless of airspace.



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(see figure 21) Even though class E airspace is controlled, it is not a requirement that VFR pilots to talk to controllers nor anyone else in this airspace. One important note about class E and G airspace is that radios are NOT required for VFR flight.

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Two-way radio communications and operational transponder are normally required for operations within Class C airspace, but operations without radio communications or transponder can be conducted by LOA, facility directive, or special arrangement with Class C airspace controlling facility.

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Airspace restrictions The rule specifically states that UAS cannot operate in Class B, C, D, or within the lateral boundaries of the surface area of Class E airspace designated for an airport unless authorization has been granted by an ATC officer.

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While Class E airspace is considered “controlled airspace”, you do not need an ATC clearance to fly in it. Since Class “E” airspace is basically “Everywhere”, most of the focus is placed on identifying the ceiling and floor of the airspace.

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There are Class E airspace areas that extend upward from a specified altitude to, but not including, 18,000 feet MSL and are designated as offshore airspace areas.

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Sometimes Class E airspace goes all the way down to the surface of the ground. This is called Class E surface area.

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Class E airspace is often confusing though because it's not clearly depicted on the sectional chart, like the ATC-controlled Classes B, C or D. While Class E airspace is considered “controlled airspace”, you do not need an ATC clearance to fly in it.

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Class E. Class E airspace is for IFR and VFR use. IFR aircraft require ATC clearance and compliance with ATC instructions is mandatory for separation purposes. VFR traffic does not require clearance to enter class E airspace.

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Class E4 and E3 airspaces do not require prior authorization, but Class E surface area (E2) airspace surrounds small airports and does require airspace authorization.

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In class E airspace, IFR aircraft are controlled by ATC. This might be a center facility (Air Route Traffic Control Center) or approach/departure facility. As a VFR aircraft, you aren't required to be in contact with ATC, but IFR aircraft must operate on an ATC clearance. That means the airspace is controlled.

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Each FIA on a map has its own radio frequency as shown on the map below. Class E above 8500ft uses 134.2 while Class G below 8500ft uses 122.4 . *Class G airspace has different rules and procedures depending on your altitude: Below 3000 feet and above 3000 feet clearance from cloud requirements change.

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