Can a flight under VFR be conducted within Class A airspace?

Flights within Class A airspace must operate under Instrument Flight Rules (IFR). This regulation is in place for the safety and efficiency of air traffic management at high altitudes where Class A is typically found, generally above 18,000 feet MSL. All aircraft in this airspace must adhere to IFR, which includes sufficient training, equipment, and communication protocols with Air Traffic Control (ATC).

While there are certain circumstances under which ATC can authorize a VFR flight in Class A airspace, those instances are rare and require specific clearance from ATC. Therefore, the primary requirement remains that for general operations in Class A, IFR is mandatory. This ensures that the complex traffic environment is managed effectively, as visibility and control are less predictable at those altitudes compared to lower airspace classifications.