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Class 'E' extensions, rules for

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In your lecture 3.4 class 'E' airspace at the 2:00 minute mark you discuss the class E extensions that 'technically you don't need authorization to fly in those extensions'.  Can you locate the FAR that supports that assertion.

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It's right in 107

§107.41   Operation in certain airspace.

No person may operate a small unmanned aircraft in Class B, Class C, or Class D airspace or within the lateral boundaries of the surface area of Class E airspace designated for an airport unless that person has prior authorization from Air Traffic Control (ATC).


The types of Class E are:

E1 – Class E Airspace at and above 14,500 feet MSL
E2 – Class E airspace areas designated as a surface area for an airport.
E3 – Class E Airspace Areas Designated As An Extension To A Class C Surface Area
E4 – Class E Airspace Areas Designated as an Extension to a Class D or Class E Surface Area
E5 – Class E Airspace Areas Extending Upward From 700 Feet Or More Above The Surface of The Earth
E6 – En route Domestic Airspace Areas
E7 – Offshore Airspace Areas
E8 – Class E Airspace Areas Designated As Federal Airways

Class E2 is what is contained in 107.42 and not E3 or E4 which are designated as an Extension.

Further, you can compare what the UAS facility map covers for an airport with Class E extensions and note that the grids do not include that airspace.  A comparison of the airport in Olympia Washington for example.



Edited by Dave Pitman

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