In Class E airspace, is ATC clearance required?

• A. Not Required
• B. Required
• C. Only if IFR
• D. Depends on altitude

Answer: (C)

In Class E airspace, ATC clearance is tied to your flight rules. If you’re flying under Visual Flight Rules (VFR), you don’t need ATC clearance to operate in Class E (you must still follow weather minimums and see-and-avoid other aircraft). If you’re flying under Instrument Flight Rules (IFR), you must have ATC clearance to enter and operate in Class E so ATC can provide routing and separation.

That’s why the correct choice is “Only if IFR.” The other options don’t fit because clearance isn’t required for all operations in Class E (that would be incorrect for IFR) and it isn’t dependent on altitude within Class E (the rule hinges on whether you’re IFR or VFR).