What type of controlled airspace extends to the surface around airports that have instrument approach procedures but no operating control tower?
Why →
Surface-designated Class E airspace (dashed magenta circle on sectional charts) is established around airports with instrument approaches but no operating tower. It extends from the surface upward and requires prior ATC authorization for sUAS under § 107.41. The same as Class B, C, and D.The trap →
A dashed magenta circle marks Class E to the surface. A common trap because pilots assume airspace without a tower is uncontrolled. Class G reaches the surface everywhere EXCEPT where another class is designated to the surface.SOURCE → 14 CFR § 107.41, FAA AIM Chapter 3CHECKED APR 21ACS II.A.K1MED