What are the rules for Class A airspace?


What are the rules for Class A airspace? Within Class A airspace, the aircraft must be equipped with a two-way radio (and you must remain two-way communication with ATC) and an altitude reporting transponder (Mode C). If you are navigating with the use of VORs, DME will be required above 24,000ft MSL.


When can you not fly VFR?

No person may operate an aircraft under basic VFR when the flight visibility is less, or at a distance from clouds that is less, than that prescribed for the corresponding altitude and class of airspace.


What airspace is uncontrolled?

Class G airspace (uncontrolled) is that portion of airspace that has not been designated as Class A, Class B, Class C, Class D, or Class E airspace. Rules governing VFR flight have been adopted to assist the pilot in meeting the responsibility to see and avoid other aircraft.


Which class of airspace is most restrictive?

For the purpose of clarification: Class A airspace is more restrictive than Class B, Class C, Class D, Class E, or Class G airspace. Class B airspace is more restrictive than Class C, Class D, Class E, or Class G airspace.


Is VFR allowed in Class A airspace?

VFR flight is not allowed in airspace known as class A, regardless of the meteorological conditions except after failure of two way radio communications or during declared emergencies such as VFR traffic attempting to avoid severe weather formations.