![]() ![]() Continue to make radio calls in the blind:. ![]() If you are not able to reestablish communication with ATC, set your transponder, if equipped, to squawk 7600 for lost comm.Attempt to use another frequency, such as FSS, or guard.Rollback to the last frequency you were on, if available to test.ARINC has the capability of relaying information to/from ATC facilities throughout the country *Aeronautical Radio/Incorporated (ARINC) is a commercial communications corporation that designs, constructs, operates, leases, or otherwise engages in radio activities serving the aviation community.If the capability exists, do all at the same time There is no priority on which action should be attempted first. The preceding does not preclude the use of 121.5 MHz. If communications are established with an FSS or ARINC, the pilot should advise that radio communications on the previously assigned frequency has been lost giving the aircraft's position, altitude, last assigned frequency and then request further clearance from the controlling facility.There is no order of precedence for trying to contact ATC, including using guard, use all at once if necessary.There is almost always a VHF frequency given for every UHF, one of them may not be monitored while the other is.If available, try an alternate frequency (FSS/ARINC).Ensure the correct frequency has been set and the volume turned up.If the cause of the lost communication is not obvious, there is a fair chance it is user error. ![]()
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