Narrative:

While plting a C150 on a VFR flight from chesapeake ranch club, md, returning to hyde field airport, md (W32), it's been alleged that I inadvertently flew into the dc ADIZ without authority/authorized. Prior to this flight, by landline telephone, I was issued all the required instructions (including radio frequency, and transponder code). I also filed a flight plan. 2 phone calls were made -- 1 to FSS and 1 to potomac approach. I was issued a discrete transponder code, and I began squawking that code from the point of takeoff. 5 or 6 mins following departure, I began making repeated radio calls to potomac approach on the frequency assigned to me, 124.2. At the time my approximately heading was 330 degrees, southeast of the nottingham VOR, outside of the dc ADIZ. After making more than 10 radio calls to potomac approach (all of which went unanswered), and while listening to potomac approach handle other traffic, I decided to leave the frequency. I called leesburg FSS and told them potomac approach was not answering me on my assigned frequency. I told them I had an unusual request to make. I asked leesburg FSS to contact potomac approach for me, and tell them I was trying to raise them. Leesburg FSS agreed to do this for me, but they also gave me a few other frequencys to try. They told me they would contact potomac approach and get back to me. Before I tried any of the alternate frequencys that leesburg FSS suggested, I returned to the frequency that potomac approach had assigned me, but an air carrier did. They told me they could hear me loud and clear, and asked how I heard them. They offered to tell potomac approach I was trying to reach them, and then suggested I try to reach potomac approach on a different frequency. Then I returned to leesburg FSS frequency to see if they were calling me back yet. Leesburg FSS told me they had spoken with potomac approach, and that potomac approach confirmed they were hearing all my radio calls loud and clear, and that they had me on radar, verifying that I was squawking the assigned transponder code. According to leesburg, potomac approach said they could hear me just fine, but that it was me who could not hear them. This made no sense to me at all, because I could hear potomac approach loud and clear. I was listening to them handle all the other traffic, but not handling me. I thanked leesburg FSS for contacting potomac approach for me, and leesburg suggested I try one of the alternate radio frequencys they'd given me, and that I increase altitude. I told leesburg I would change my route of flight so as not to cross into restr airspace, and I would climb after I had flown away from the area. At that point I changed course toward the wsw. First I tried one frequency because both leesburg and the air carrier flight had suggested that one. Potomac approach did not respond. Then I tried a second frequency and potomac approach finally answered me. Potomac approach immediately told me to change the old frequency. I explained that I'd already made nearly 20 radio calls to them on that frequency, and that they were not answering me on that frequency, although I could hear them just fine, and other aircraft they were handling could hear me too. Potomac approach told me to change anyway, and I immediately did so, with a 'roger,' and no hesitation. Now, communicating with potomac approach on frequency for the first time during this flight, I was instructed to get ready to copy information that I was about to be given. It was a phone number for me to call upon landing. When I inquired further, I was told it was due to a 'potential airspace incursion,' he said. Once I landed at W32 (hyde field), I called that number first and checked in regarding the alleged incursion into restr airspace, answering all questions asked. Next I made the phone call to close my flight plan, and I asked if I could speak to the leesburg FSS specialist who handled my flight. The specialist got on the phone, introduced himself to me, and offered to make notes and a permanent record of the events of my flight that day. I thanked him for his generous offer of assistance.

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Original NASA ASRS Text

Title: PLT OF C150 IS ADVISED BY PCT CTLR THAT HE WAS DETECTED ENTERING THE DC ADIZ WITHOUT AUTH.

Narrative: WHILE PLTING A C150 ON A VFR FLT FROM CHESAPEAKE RANCH CLUB, MD, RETURNING TO HYDE FIELD ARPT, MD (W32), IT'S BEEN ALLEGED THAT I INADVERTENTLY FLEW INTO THE DC ADIZ WITHOUT AUTH. PRIOR TO THIS FLT, BY LANDLINE TELEPHONE, I WAS ISSUED ALL THE REQUIRED INSTRUCTIONS (INCLUDING RADIO FREQ, AND XPONDER CODE). I ALSO FILED A FLT PLAN. 2 PHONE CALLS WERE MADE -- 1 TO FSS AND 1 TO POTOMAC APCH. I WAS ISSUED A DISCRETE XPONDER CODE, AND I BEGAN SQUAWKING THAT CODE FROM THE POINT OF TKOF. 5 OR 6 MINS FOLLOWING DEP, I BEGAN MAKING REPEATED RADIO CALLS TO POTOMAC APCH ON THE FREQ ASSIGNED TO ME, 124.2. AT THE TIME MY APPROX HDG WAS 330 DEGS, SE OF THE NOTTINGHAM VOR, OUTSIDE OF THE DC ADIZ. AFTER MAKING MORE THAN 10 RADIO CALLS TO POTOMAC APCH (ALL OF WHICH WENT UNANSWERED), AND WHILE LISTENING TO POTOMAC APCH HANDLE OTHER TFC, I DECIDED TO LEAVE THE FREQ. I CALLED LEESBURG FSS AND TOLD THEM POTOMAC APCH WAS NOT ANSWERING ME ON MY ASSIGNED FREQ. I TOLD THEM I HAD AN UNUSUAL REQUEST TO MAKE. I ASKED LEESBURG FSS TO CONTACT POTOMAC APCH FOR ME, AND TELL THEM I WAS TRYING TO RAISE THEM. LEESBURG FSS AGREED TO DO THIS FOR ME, BUT THEY ALSO GAVE ME A FEW OTHER FREQS TO TRY. THEY TOLD ME THEY WOULD CONTACT POTOMAC APCH AND GET BACK TO ME. BEFORE I TRIED ANY OF THE ALTERNATE FREQS THAT LEESBURG FSS SUGGESTED, I RETURNED TO THE FREQ THAT POTOMAC APCH HAD ASSIGNED ME, BUT AN ACR DID. THEY TOLD ME THEY COULD HEAR ME LOUD AND CLR, AND ASKED HOW I HEARD THEM. THEY OFFERED TO TELL POTOMAC APCH I WAS TRYING TO REACH THEM, AND THEN SUGGESTED I TRY TO REACH POTOMAC APCH ON A DIFFERENT FREQ. THEN I RETURNED TO LEESBURG FSS FREQ TO SEE IF THEY WERE CALLING ME BACK YET. LEESBURG FSS TOLD ME THEY HAD SPOKEN WITH POTOMAC APCH, AND THAT POTOMAC APCH CONFIRMED THEY WERE HEARING ALL MY RADIO CALLS LOUD AND CLR, AND THAT THEY HAD ME ON RADAR, VERIFYING THAT I WAS SQUAWKING THE ASSIGNED XPONDER CODE. ACCORDING TO LEESBURG, POTOMAC APCH SAID THEY COULD HEAR ME JUST FINE, BUT THAT IT WAS ME WHO COULD NOT HEAR THEM. THIS MADE NO SENSE TO ME AT ALL, BECAUSE I COULD HEAR POTOMAC APCH LOUD AND CLR. I WAS LISTENING TO THEM HANDLE ALL THE OTHER TFC, BUT NOT HANDLING ME. I THANKED LEESBURG FSS FOR CONTACTING POTOMAC APCH FOR ME, AND LEESBURG SUGGESTED I TRY ONE OF THE ALTERNATE RADIO FREQS THEY'D GIVEN ME, AND THAT I INCREASE ALT. I TOLD LEESBURG I WOULD CHANGE MY RTE OF FLT SO AS NOT TO CROSS INTO RESTR AIRSPACE, AND I WOULD CLB AFTER I HAD FLOWN AWAY FROM THE AREA. AT THAT POINT I CHANGED COURSE TOWARD THE WSW. FIRST I TRIED ONE FREQ BECAUSE BOTH LEESBURG AND THE ACR FLT HAD SUGGESTED THAT ONE. POTOMAC APCH DID NOT RESPOND. THEN I TRIED A SECOND FREQ AND POTOMAC APCH FINALLY ANSWERED ME. POTOMAC APCH IMMEDIATELY TOLD ME TO CHANGE THE OLD FREQ. I EXPLAINED THAT I'D ALREADY MADE NEARLY 20 RADIO CALLS TO THEM ON THAT FREQ, AND THAT THEY WERE NOT ANSWERING ME ON THAT FREQ, ALTHOUGH I COULD HEAR THEM JUST FINE, AND OTHER ACFT THEY WERE HANDLING COULD HEAR ME TOO. POTOMAC APCH TOLD ME TO CHANGE ANYWAY, AND I IMMEDIATELY DID SO, WITH A 'ROGER,' AND NO HESITATION. NOW, COMMUNICATING WITH POTOMAC APCH ON FREQ FOR THE FIRST TIME DURING THIS FLT, I WAS INSTRUCTED TO GET READY TO COPY INFO THAT I WAS ABOUT TO BE GIVEN. IT WAS A PHONE NUMBER FOR ME TO CALL UPON LNDG. WHEN I INQUIRED FURTHER, I WAS TOLD IT WAS DUE TO A 'POTENTIAL AIRSPACE INCURSION,' HE SAID. ONCE I LANDED AT W32 (HYDE FIELD), I CALLED THAT NUMBER FIRST AND CHKED IN REGARDING THE ALLEGED INCURSION INTO RESTR AIRSPACE, ANSWERING ALL QUESTIONS ASKED. NEXT I MADE THE PHONE CALL TO CLOSE MY FLT PLAN, AND I ASKED IF I COULD SPEAK TO THE LEESBURG FSS SPECIALIST WHO HANDLED MY FLT. THE SPECIALIST GOT ON THE PHONE, INTRODUCED HIMSELF TO ME, AND OFFERED TO MAKE NOTES AND A PERMANENT RECORD OF THE EVENTS OF MY FLT THAT DAY. I THANKED HIM FOR HIS GENEROUS OFFER OF ASSISTANCE.

Data retrieved from NASA's ASRS site as of July 2007 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.