Airspace, Part 5: Class D Airspace

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Airspace Series
Part 1: The Origin of Airspace
Part 2: Class A Airspace
Part 3: Class B Airspace
Part 4: Class C Airspace
Part 5: Class D Airspace

Wings of Eagles Flight Instructor Chris Carnett

Where will I find it?

Class Delta surrounds many small airports and is sometimes referred to as a VFR Tower. The airspace is generally a cylinder but may include some sort of extension to accommodate an approach area. Most Class Delta towers are part time (some C Airports are as well, they close). When the tower closes the airspace reverts down to Class Echo or

MQY Class D

Smyrna Class D Airspace

Class Golf. Check the Airport/Facility Directory for information on this as well as the airport tower’s operating hours. When the tower is closed, the airport is uncontrolled just like any other with airplanes making position reports over the CTAF frequency.

What must I do before entering it?

FLG Class D

Flagstaff, AZ Class D Is Only 6nm Across

Just establish two way communication. No transponder needed! Some Class Delta airports [MQY, for example] have a radar link to a nearby approach control. This leads many Controllers to ask if you are equipped with a transponder. While it helps the controller immensely to see you on radar, a transponder is not required to enter Class Delta Airspace.

What are the VFR weather minimums in it?

Ft. Campbell Class D Contains Two Satellite Airports

Once again, it’s the 3 – One Fifty Two rule. Also, in order to takeoff in any form of controlled airspace a ceiling of 1000 feet and visibility is required.

Next, we look at Class E Airspace.


Wings of Eagles Assistant Chief Instructor Chris Carnett holds a CFI, CFII, and MEI. He is a former regional airline pilot and currently an adjunct professor at his alma mater, MTSU—where he earned his B.S. and M.Ed. in Aerospace.


Wings of Eagles Assistant Chief Instructor Chris Carnett holds a CFI, CFII, and MEI. He is a former regional airline pilot and currently an adjunct professor at his alma mater, MTSU—where he earned his B.S. and M.Ed. in Aerospace.

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