A Restricted Area on a sectional chart is labeled with which prefix, and what color is the border hatching?
Why →
Restricted areas use 'R-' prefixed identifiers and are depicted with blue hatched borders on sectional charts. Altitude, time of use, and controlling agency are listed in the chart margins. Flight in active restricted areas requires authorization from the controlling agency.The trap →
Choice B confuses R- (restricted) with P- (prohibited). Choice C invents a color that is not used for restricted areas.SOURCE → FAA Aeronautical Chart User's Guide; 14 CFR § 73.13CHECKED APR 21ACS II.A.K3EASY