Narrative:

Upon leaving ilg for a return trip to my home base in cjr I tried to establish communications with ATC via the recommended frequency in the AFD 118.35, but got no reply. I then tried a philadelphia approach frequency I had been given on the incoming flight to ilg and made contact with ATC. I was given a squawk code, but the ATC controller could not pick up my transponder and switched me to pct approach on 119.75. I requested flight following and was told by ATC that I could not get a clearance into the ADIZ since I had not filed a flight plan with them, although I had a VFR plan on duats which had been activated with jyo radio. I had used this procedure in the morning with pct approach with no problem and been cleared through the class B airspace using flight following to ilg. In the confusion of trying to establish communications on a very busy frequency to receive flight following I inadvertently penetrated the washington ADIZ and was met by a military aircraft who gave me visual indications to leave the class B airspace. A strong right crosswind was another contributing factor. I then continued into cjr and upon landing I was given a number to call by the FBO. I spoke with a tsa representative who took some basic information and then had me call pct approach. After giving my pilot information to them I was told that I would be contacted by the local FSDO in the future. I was aware of the ADIZ and any penetration of it on my part was totally inadvertent. The intercepting aircraft did not rock his wings as I expected according to the intercept procedures I had with me so I could acknowledge thus adding to the confusion. My chart of the ADIZ that I downloaded from the avia org web site was very small scale and I may have confused the outer ring of the class B airspace with the mode C veil. I would recommend that FAA provide a suitable chart for this purpose.

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Original NASA ASRS Text

Title: AIRSPACE INCURSION WHEN AN AG5B PVT PLT ENTERS THE DC ADIZ AT 3300 FT 20 NM NNE OF THE BAL VOR.

Narrative: UPON LEAVING ILG FOR A RETURN TRIP TO MY HOME BASE IN CJR I TRIED TO ESTABLISH COMS WITH ATC VIA THE RECOMMENDED FREQ IN THE AFD 118.35, BUT GOT NO REPLY. I THEN TRIED A PHILADELPHIA APCH FREQ I HAD BEEN GIVEN ON THE INCOMING FLT TO ILG AND MADE CONTACT WITH ATC. I WAS GIVEN A SQUAWK CODE, BUT THE ATC CTLR COULD NOT PICK UP MY XPONDER AND SWITCHED ME TO PCT APCH ON 119.75. I REQUESTED FLT FOLLOWING AND WAS TOLD BY ATC THAT I COULD NOT GET A CLRNC INTO THE ADIZ SINCE I HAD NOT FILED A FLT PLAN WITH THEM, ALTHOUGH I HAD A VFR PLAN ON DUATS WHICH HAD BEEN ACTIVATED WITH JYO RADIO. I HAD USED THIS PROC IN THE MORNING WITH PCT APCH WITH NO PROB AND BEEN CLRED THROUGH THE CLASS B AIRSPACE USING FLT FOLLOWING TO ILG. IN THE CONFUSION OF TRYING TO ESTABLISH COMS ON A VERY BUSY FREQ TO RECEIVE FLT FOLLOWING I INADVERTENTLY PENETRATED THE WASHINGTON ADIZ AND WAS MET BY A MILITARY ACFT WHO GAVE ME VISUAL INDICATIONS TO LEAVE THE CLASS B AIRSPACE. A STRONG R CROSSWIND WAS ANOTHER CONTRIBUTING FACTOR. I THEN CONTINUED INTO CJR AND UPON LNDG I WAS GIVEN A NUMBER TO CALL BY THE FBO. I SPOKE WITH A TSA REPRESENTATIVE WHO TOOK SOME BASIC INFO AND THEN HAD ME CALL PCT APCH. AFTER GIVING MY PLT INFO TO THEM I WAS TOLD THAT I WOULD BE CONTACTED BY THE LOCAL FSDO IN THE FUTURE. I WAS AWARE OF THE ADIZ AND ANY PENETRATION OF IT ON MY PART WAS TOTALLY INADVERTENT. THE INTERCEPTING ACFT DID NOT ROCK HIS WINGS AS I EXPECTED ACCORDING TO THE INTERCEPT PROCS I HAD WITH ME SO I COULD ACKNOWLEDGE THUS ADDING TO THE CONFUSION. MY CHART OF THE ADIZ THAT I DOWNLOADED FROM THE AVIA ORG WEB SITE WAS VERY SMALL SCALE AND I MAY HAVE CONFUSED THE OUTER RING OF THE CLASS B AIRSPACE WITH THE MODE C VEIL. I WOULD RECOMMEND THAT FAA PROVIDE A SUITABLE CHART FOR THIS PURPOSE.

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.