Why are Controlled Firing Areas (CFAs) not charted on aeronautical charts?
Answer
CFAs are not charted because their activities are immediately suspended when a spotter aircraft, radar, or ground lookout detects an aircraft approaching the area. Because CFA activities yield to other aircraft, they do not require a nonparticipating aircraft to change its flight path.
AIM 3-4-7
Read the full regulation — AIM 3-4-7
3-4-7. Controlled Firing Areas CFAs contain activities which, if not conducted in a controlled environment, could be hazardous to nonparticipating aircraft. The distinguishing feature of the CFA, as compared to other special use airspace, is that its activities are suspended immediately when spotter aircraft, radar, or ground lookout positions indicate an aircraft might be approaching the area. There is no need to chart CFAs since they do not cause a nonparticipating aircraft to change its flight path. 3-4-2 Special Use Airspace 2/20/25 AIM
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