Narrative:

When I was about 10 minutes from fort myers airspace; the radios began fading badly. I told the controller; and he gave me 126.8 for fort myers if I lost him. I could barely hear him when he told me to switch over. When I tried to check in; ATC could not hear me. I could hear them; but they couldn't hear me. I continued to try to check in thinking when I got closer; they would be able to hear. Finally they told me to ident if I could hear them. I did; and we began communication that way. I was flying in severe clear night VFR; and I was headed into IMC on the east coast. I was about 90 NM out with 100+ to go. It did not seem safe to continue the flight into IMC without radio communication. I tried to call ATC and cancel the IFR flight plan so I could return to base. They still could not hear me. I continued on course hoping they would pick me up; but it never happened. I finally decided I could not continue for the safety of the flight. I turned around; dropped to the VFR altitude of 6;500; set a direct course to pie; and changed the squawk code to 1200. The controller came on and said she still considered me on an IFR flight plan; and that I needed to climb back to 7;000 and fly on course. As I continued toward pie; another controller came on; and said he understood I wanted to return to pie. I pressed ident to acknowledge. He then told me to drop to 6;000; change my squawk code back to 4662; and they would take me back IFR. He stayed with me; handed me off to tampa; and they handed me off to the tower at pie. All communication was done with ident. I know I did not fly assigned; vectored; expected; or filed; but safety of flight dictated that I take other action. I communicated my intentions as best I could by squawking 1200; dropping to a VFR altitude; and setting a course back to base. Apparently one of the controllers got the message; and helped me out of a bad situation.

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Original NASA ASRS Text

Title: C172 pilot experiences radio failure on an IFR flight to RSW at night. Knowing that RSW is IMC the pilot elects to return to his departure airport in VMC.

Narrative: When I was about 10 minutes from Fort Myers airspace; the radios began fading badly. I told the Controller; and he gave me 126.8 for Fort Myers if I lost him. I could barely hear him when he told me to switch over. When I tried to check in; ATC could not hear me. I could hear them; but they couldn't hear me. I continued to try to check in thinking when I got closer; they would be able to hear. Finally they told me to ident if I could hear them. I did; and we began communication that way. I was flying in severe clear night VFR; and I was headed into IMC on the east coast. I was about 90 NM out with 100+ to go. It did not seem safe to continue the flight into IMC without radio communication. I tried to call ATC and cancel the IFR flight plan so I could return to base. They still could not hear me. I continued on course hoping they would pick me up; but it never happened. I finally decided I could not continue for the safety of the flight. I turned around; dropped to the VFR altitude of 6;500; set a direct course to PIE; and changed the squawk code to 1200. The Controller came on and said she still considered me on an IFR flight plan; and that I needed to climb back to 7;000 and fly on course. As I continued toward PIE; another Controller came on; and said he understood I wanted to return to PIE. I pressed ident to acknowledge. He then told me to drop to 6;000; change my squawk code back to 4662; and they would take me back IFR. He stayed with me; handed me off to Tampa; and they handed me off to the tower at PIE. All communication was done with ident. I know I did not fly Assigned; Vectored; Expected; or Filed; but Safety of Flight dictated that I take other action. I communicated my intentions as best I could by squawking 1200; dropping to a VFR altitude; and setting a course back to base. Apparently one of the controllers got the message; and helped me out of a bad situation.

Data retrieved from NASA's ASRS site as of July 2013 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.