Narrative:

Norad is claiming I entered the washington, dc, ADIZ before I received my transponder code from quantico approach. It is my position that I did not enter the ADIZ before receiving my code. After receiving my code from quantico approach, I continued for landing at hef, which took approximately 15 mins. Upon landing, I was told to contact potomac TRACON. The person on the line said norad had called and said I entered the ADIZ before getting my beacon code. I told him I was fairly sure that was not correct because I called and received the code before crossing the route 301 bridge, which is at the boundary of the ADIZ. The man thought that I might be correct. He said he would call me back after checking the radar tapes. To date, 2 days later, I have not received a call back. Contributing factors: the airspace system is not designed to handle the tremendous added burden of tracking all the VFR aircraft around 4 class B airports. Radar coverage is not sufficient to cover low altitudes -- especially for helicopters. This is especially true under MVFR in class G airspace when helicopters are still flying, but yet cannot be idented on radar. In some cases are denied entry and prevented from completing our missions because of poor radar coverage.

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Original NASA ASRS Text

Title: B407 PLT CHALLENGES ACCUSATION OF DC ADIZ VIOLATION WITHOUT PROPER XPONDER CODE ACTIVATION PRIOR TO ADIZ ENTRY.

Narrative: NORAD IS CLAIMING I ENTERED THE WASHINGTON, DC, ADIZ BEFORE I RECEIVED MY XPONDER CODE FROM QUANTICO APCH. IT IS MY POS THAT I DID NOT ENTER THE ADIZ BEFORE RECEIVING MY CODE. AFTER RECEIVING MY CODE FROM QUANTICO APCH, I CONTINUED FOR LNDG AT HEF, WHICH TOOK APPROX 15 MINS. UPON LNDG, I WAS TOLD TO CONTACT POTOMAC TRACON. THE PERSON ON THE LINE SAID NORAD HAD CALLED AND SAID I ENTERED THE ADIZ BEFORE GETTING MY BEACON CODE. I TOLD HIM I WAS FAIRLY SURE THAT WAS NOT CORRECT BECAUSE I CALLED AND RECEIVED THE CODE BEFORE XING THE RTE 301 BRIDGE, WHICH IS AT THE BOUNDARY OF THE ADIZ. THE MAN THOUGHT THAT I MIGHT BE CORRECT. HE SAID HE WOULD CALL ME BACK AFTER CHKING THE RADAR TAPES. TO DATE, 2 DAYS LATER, I HAVE NOT RECEIVED A CALL BACK. CONTRIBUTING FACTORS: THE AIRSPACE SYS IS NOT DESIGNED TO HANDLE THE TREMENDOUS ADDED BURDEN OF TRACKING ALL THE VFR ACFT AROUND 4 CLASS B ARPTS. RADAR COVERAGE IS NOT SUFFICIENT TO COVER LOW ALTS -- ESPECIALLY FOR HELIS. THIS IS ESPECIALLY TRUE UNDER MVFR IN CLASS G AIRSPACE WHEN HELIS ARE STILL FLYING, BUT YET CANNOT BE IDENTED ON RADAR. IN SOME CASES ARE DENIED ENTRY AND PREVENTED FROM COMPLETING OUR MISSIONS BECAUSE OF POOR RADAR COVERAGE.

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.