AGL Airspace Classes Knot 
Pilot Institute
JUNE 27, 2025
Know what special scenarios still require a waiver, such as flying BVLOS operations, flights above people, or flights that exceed the standard 400 feet AGL. What Is Controlled Airspace? Max speed: 100 mph (87 knots). Class C Altitude Range: Surface to 4,000 feet above airport elevation (charted in MSL).
Pilot Institute
SEPTEMBER 26, 2024
Class C airports’ speed limits require aircraft within 4 Nautical Miles (NM) of the primary airport and below 2500 feet to maintain an Indicated Airspeed (IAS) of 200 knots or less. Only enter Class C after receiving authorization from ATC. Before flying into Class C airspace, a pilot must obtain a clearance from ATC.
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Plane and Pilot
AUGUST 14, 2024
Maximum altitude : Drones must be flown at or below 400 feet Above Ground Level (AGL). Some exceptions exist when flying around buildings, but 400 feet AGL is a good number to remember. Speed limit : The maximum ground speed for drones is 100 mph (87 knots). You also need to complete night-flight training.
Pilot Institute
APRIL 24, 2024
VFR flyways, corridors, and transition routes help VFR traffic transit the crowded airspace. What is Class B Airspace? Class B (or Bravo) airspace surrounds the busiest airports in the country. The airspace funnels vast traffic volumes to and from major metro areas.
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