What is the red arrow on the VFR sectional?
What is the red arrow on the VFR sectional? Red Arrow: This arrow points at '123.05 C' which is the airport's CTAF (Common Traffic Advisory Frequency) which is used to communicate your intentions and positions around the airport to other pilots when the airport does not have a control tower or the tower is closed.
What does purple airspace mean?
However, in some aeronautical charts, a purple line can indicate a special use airspace boundary. Special use airspace refers to certain areas of airspace where activities such as military operations, air shows, or unmanned aerial vehicle (drone) operations may take plac.