occurs after departing the parking area, watch the tower for light signals or monitor tower frequency. REFERENCE- 14 CFR Section 91.125 and 14 CFR Section 91.129. NOTE- In order to expedite communications, state the frequency being used and the aircraft location during initial callup. 4-2-14. Communications for VFR Flights EXAMPLE- Dayton radio, November One Two Three Four Five on one two two point two, over Springfield V-O-R, over. a. FSSs and Supplemental Weather Service Locations (SWSL) are allocated frequencies for different functions; for example, in Alaska, certain FSSs provide Local Airport Advisory on 123.6 MHz or other frequencies which can be found in the Chart Supplement U.S. If you are in doubt as to what frequency to use, 122.2 MHz is assigned to the majority of FSSs as a common en route simplex frequency. b. Certain VOR voice channels are being utilized for recorded broadcasts; i.e., ATIS, HIWAS, etc. These services and appropriate frequencies are listed in the Chart Supplement U.S. On VFR flights, pilots are urged to monitor these frequencies. When in contact with a control facility, notify the controller if you plan to leave the frequency to monitor these broadcasts. 4-2-8 Radio Communications Phraseology