Airspace & Requirements

Controlled airspace (Classes A, B, C, D, E) and uncontrolled airspace (Class G).

Class B airspace, which surrounds the busiest commercial airports with tiered shelves of varying floors and ceilings.

Yes. Operations in Class B controlled airspace require prior authorization from ATC, typically obtained via LAANC or DroneZone.

By solid blue lines that outline each tiered shelf of the airspace.

The ceiling (top number) and floor (bottom number) of that shelf, expressed in hundreds of feet MSL.