SESK: Stuff Everyone Should Know · sesk.info/drone-class-d-operating-tower
What airport feature normally sits inside Class D airspace?
Class D generally surrounds an airport with an operating control tower.
- A seaplane dock only
- An operating control tower ✔
- A military training route only
Why: Class D usually surrounds an airport while its control tower is operating. It generally extends from the surface to 2,500 feet above airport elevation.
Huh, didn't know that: Class D dimensions are individually tailored and may include instrument approach extensions.
Why did the control tower ace the test? It was outstanding in its field.
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References
Answer: An operating control tower. Class D usually surrounds an airport while its control tower is operating. It generally extends from the surface to 2,500 feet above airport elevation.
- FAA Remote Pilot Study Guide www.faa.gov/sites/faa.gov/files/regulations_policies/handbooks_manuals/aviation/remote_pilot_study_guide.pdf
surrounding those airports that have an operational control tower
Checked 2026-10-09.
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