CLASS ALPHA AIRSPACE



CLASS A (Alpha) Airspace

  • Class A airspace covers the entire Earth, it is not shown on sectional charts.

  • Airspace between 18,000 feet MSL up to 60,000 feet or FL600 (FL - Flight Level)

  • Extends over the waters 12 NM off the coast in the lower 48 states and Alaska.​​


  • All aircraft flying in Class A airspace must set altimeter to 29.92

  • Mode S transponder

Class A Entry Requirements:

  • Instrument Flight Rules (IFR) Only

Class A Weather Minimums:

  • IFR flight only


References:


Private Pilot ACS PA.I.E.K1 - PA.I.E.K3

AIM Sec. 3-2-2, 3-2-3, 3-2-4, 3-2-5, 3-2-6, 3-3-1

FAR Part 91.225

Airspace - Study Guide
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