Class E airspace rarely goes all the way to the surface, and in non-mountainous terrain, the floor of Class E airspace is typically 700 feet or 1,200 feet AGL.
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Class E. Controlled airspace which is neither class A, B, C nor D. In most areas of the United States, class E airspace extends from 1,200 feet (370 m) above ground level (AGL) up to but not including 18,000 feet (5,500 m) MSL, the lower limit of class A airspace.
Class Delta (also referred to as Class D) Airspace areas established around airports that have an Air Traffic Control Tower but do not provide radar services. Containing an Air Traffic Control Tower, Class D airspace areas provide services to pilots.
Recall that the thick and fuzzy magenta circle or set of lines indicate Class E airspace starting at 700 ft.AGL. Everywhere else, meaning anytime you're outside of the thick and fuzzy magenta circle or set of lines, or nothing is being indicated on the sectional chart, Class E airspace starts at 1,200 ft.
On a map, Class G's ceiling is the floor of Class E airspace. And, it's always exclusive. For example, if Class E starts at 700 feet AGL, Class G goes up to, but doesn't include, 700 feet AGL. Class G airspace is most easily found on a sectional map when a fading, thick blue line appears.
Class E Airspace: Controlled airspace which is neither class A, B, C nor D. In most areas of the United States, class E airspace extends from 1,200 feet (370 m) above ground level (AGL) up to but not including 18,000 feet (5,500 m) MSL, the lower limit of Class A airspace.
Most airspace in the United States is class E. The airspace above FL600 is also class E. No ATC clearance or radio communication is required for VFR flight in class E airspace. VFR visibility and cloud clearance requirements are the same as for class C and D airspaces when below 10,000 feet (3,000 m) MSL.
Class Echo Airspace:250 knots below 10,000' MSL within class echo airspace. While operating in the traffic pattern at an airport without an operating control tower, it is recommended that the pilot maintain an airspeed of no more than 200 KIAS.
As an FAA-certified remote pilot under the Part 107 regulations, if you need to operate in Class B, C, D, or E airspace, you need to get prior approval to operate in that airspace.
Class E Transition AreasIt often surrounds individual airports or groups of airports. So why does the Class E airspace suddenly drop from 1,200 feet AGL to 700 feet AGL in these areas? Think of it like Class B or C airspace, it drops down to protect aircraft on approach or departure from an airport.
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.
Perhaps the most misunderstood airspace category, Class Echo (E) starts at 14,500'MSL and extends up to but not including 18,000' (bottom of Alpha Airspace) over the entire continental United States unless otherwise depicted. It also exists above Alpha (above 60,000').
There are two categories of airspace or airspace areas: Regulatory (Class A, B, C, D, and E airspace areas, restricted and prohibited areas). Nonregulatory (military operations areas [MOA], warning areas, alert areas, controlled firing areas [CFA], and national security areas [NSA]).