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On a sectional chart, a 700-foot AGL Class E floor is depicted by a

Choices

solid magenta line.
Solid magenta lines are NOT used for Class E.
✓ shaded magenta band.correct
The fuzzy side of a shaded magenta band depicts a Class E floor at 700 feet AGL (a transition area). A blue vignette is charted where the Class E floor is 1,200 feet AGL abutting uncontrolled Class G that extends higher, up to 14,500 feet MSL. Outside those vignettes and outside charted Class B, C, D and surface-based Class E, the Class E floor is 1,200 feet AGL by regulation and is not charted at all.
dashed blue line.
Dashed blue is Class C.
solid blue line.
Solid blue lines depict Class B.

Why

The fuzzy side of a shaded magenta band depicts a Class E floor at 700 feet AGL (a transition area). A blue vignette is charted where the Class E floor is 1,200 feet AGL abutting uncontrolled Class G that extends higher, up to 14,500 feet MSL. Outside those vignettes and outside charted Class B, C, D and surface-based Class E, the Class E floor is 1,200 feet AGL by regulation and is not charted at all.

FAA source: FAA Aeronautical Chart User's Guide, Airspace section; AIM 3-2-6 Class E Airspacebrowse the reference library →

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Original study question written for this course — representative of FAA knowledge-test topics, not an actual current FAA exam question. Reviewed by a panel of three CFIs + AI review.