AhaBulb: Stuff Everyone Should Know · ahabulb.com/pilot-class-d-ceiling
Class D airspace typically extends up to about how high above the airport elevation?
About 2,500 feet above the airport elevation.
- 1,200 feet
- 4,000 feet
- 2,500 feet ✔
Why: The AIM says Class D generally reaches up to 2,500 feet above the airport elevation around an airport with an operating tower. 4,000 feet is the typical top of Class C.
Huh, didn't know that: Sectional charts outline Class D airspace with a dashed blue line.
Why is Class D airspace never lonely? Someone in the tower is always listening.
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References
Answer: 2,500 feet. The AIM says Class D generally reaches up to 2,500 feet above the airport elevation around an airport with an operating tower. 4,000 feet is the typical top of Class C.
- AIM 3-2 Controlled Airspace (Class D) www.faa.gov/air_traffic/publications/atpubs/aim_html/chap3_section_2.html
2,500 feet above the airport elevation
Checked 2026-10-09.
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