The ceiling of Class D airspace, about 2,500 feet, is measured above

• A.the airport elevation
• B.the remote pilot's takeoff point in all cases
• C.the average terrain of the surrounding county

Why

Class D extends up to about 2,500 feet above the airport elevation, as charted for that airport. A takeoff point away from the airport does not reset the airspace ceiling.

Source: FAA-G-8082-22 Ch. 2 · ACS knowledge area: Airspace Classification and Operating Requirements · From the Airspace & Flight Restrictions practice bank (AIR-047).

Practice this category as a full test

More Class D Airspace Ceiling Reference questions

• What are the vertical limits of Class A airspace?
• Under Part 107, how may a remote pilot operate a small unmanned aircraft in Class A airspace?
• Class B airspace generally extends from the surface up to what altitude?
• On a sectional chart, how is Class B airspace depicted?
• A remote pilot wants to fly within Class B airspace at an altitude shown on the UAS Facility Map. What is required before the flight?