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On a sectional chart, the symbol for a non-towered airport with fuel and other services available is
Choices
a solid magenta circle with no tick marks.
Star is for ATC tower or other special-use designations, not basic services.
✓ a magenta circle with tick marks around its perimeter.correct
Magenta indicates a non-towered airport (blue indicates towered). Tick marks around the airport circle denote that fuel and other services are available during normal business hours.
a solid blue square.
Blue is towered, and the symbol is a circle, not a square.
a green triangle.
Green/triangle is not a sectional airport symbol.
Why
Magenta indicates a non-towered airport (blue indicates towered). Tick marks around the airport circle denote that fuel and other services are available during normal business hours.
FAA source: FAA Aeronautical Chart User's Guide, Airports sectionbrowse the reference library →
Original study question written for this course — representative of FAA knowledge-test topics, not an actual current FAA exam question.