Overview
Class A airspace is defined as all airspace from 18,000 feet MSL up to Flight Level 600. All operations in Class A airspace must be conducted under Instrument Flight Rules. Therefore, there are no VFR weather minimums in Class A airspace.
Class A airspace is defined as all airspace from 18,000 feet MSL up to Flight Level 600. All operations in Class A airspace must be conducted under Instrument Flight Rules. Therefore, there are no VFR weather minimums in Class A airspace.