On a sectional chart, how is an airport with an operating control tower depicted compared with one without a tower?

• A.Tower airports are magenta and non-tower airports are blue
• B.Tower airports are blue and non-tower airports are magenta
• C.Both are shown in green

Why

Blue airport symbols indicate a control tower, while magenta indicates no tower. The color gives an immediate cue about the communication and traffic environment near the field.

Source: FAA-G-8082-22 Ch. 11 · ACS knowledge area: Airport Operations · From the Loading, Performance & Airport Operations practice bank (PER-063).

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