AN SMA PVT PLT INADVERTENTLY FLEW INTO AN ATA.

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WE HAD JUST LANDED AT FOK. OUR PLAN WAS TO HAVE LUNCH AND REFUEL AT FOK AND THEN TAKE OFF. AFTER REFUELING WE DECIDED TO FLY OVER TO HWV; AN UNCTLED FIELD; APPROX 11 NM TO THE W; FOR LUNCH. ALTHOUGH HWV WAS ONLY A SHORT DISTANCE AWAY AND SHOULD BE EASILY VISIBLE AFTER DEP; I DECIDED TO SET UP OUR LORAN ANYWAY SINCE I WAS NOT FAMILIAR WITH THE AREA. I DISCOVERED HWV WAS NOT IN THE LORAN DATABASE SO I SET UP OUR 2 VORS WITH INTERSECTING RADIALS OVER HWV. I ALSO HAD THE HWV ARPT PLATE IN FRONT OF ME ON MY YOKE BOARD TO ASSURE ME. WE DEPARTED RWY 15 AT FOK AND WERE GIVEN PERMISSION TO FLY A L DOWNWIND DEP TO THE NW. AT THIS POINT; IN MY MIND'S EYE I'M EXPECTING TO SEE HWV'S DISTINCTIVE L-SHAPED RWY CONFIGN TO MY L AS I TURN DOWNWIND. SURE ENOUGH; AS I'M HEADING DOWNWIND OUT OF THE FOK AREA THERE'S AN ARPT OFF TO THE L WITH A DISTINCTIVE L-SHAPED RWY LAYOUT. THIS HAS TO BE IT! SO I RADIO TO HWV FOR LNDG ADVISORIES AND ANNOUNCE MY POS AS APPROX 8 NM E. HWV UNICOM COMES BACK RPTING THE ACTIVE AS RWY 6. NOW I'M ALL SET; I THINK. I SLOW DOWN A BIT AND BEGIN TO PLAN MY L DOWNWIND ENTRY TO THE TFC PATTERN. AT THIS POINT SOMETHING BEGINS TO NOT MAKE SENSE. I RAPIDLY SCAN BTWN THE ARPT; THE DIAGRAM IN FRONT OF ME; AND MY DIRECTIONAL GYROSCOPE. AT THIS POINT I'M PROBABLY JUST ABOUT 5 NM AWAY FROM THE ARPT IN FRONT OF ME. I RECOGNIZE SOMETHING ABOUT THE RWY LAYOUT IS DEFINITELY WRONG -- YES; IT'S ACTUALLY A MIRROR IMAGE OF WHAT IT SHOULD BE; AND WOW; THERE'S A TWR ON THE FIELD. BY THIS POINT I ADDED MY SECTIONAL TO MY LIST OF SCAN ITEMS AND NOW REALIZED WHERE I WAS -- PRACTICALLY ABEAM THE PECONIC TWR. I IMMEDIATELY CALLED THE TWR; EXPLAINED MY SIT; AND ADVISED THEM OF MY INTENTION OF LNDG AT HWV. THE CTLR ACKNOWLEDGED AND REQUESTED ME TO RPT WHEN CLR OF THE AREA WHICH OF COURSE I DID. DESPITE SETTING UP MY VORS I NEVER LOOKED AT THEM UNTIL I WAS WELL INSIDE THE PECONIC ATA. I HAD MADE A PLAN BUT NOT FOLLOWED IT! I DID NOT FOLLOW MY PLAN OF TRACKING THE VOR RADIAL. IN MY MIND'S EYE ALL I HAD TO DO WAS FLY A COUPLE OF MI W AND PICK OUT AN EXTREMELY DISTINCTIVE L-SHAPED RWY LAYOUT. AFTER TAKING OFF FROM FOK AND TURNING WESTWARD THERE IT WAS; OR SO I THOUGHT. I WAS HDG WESTWARD PARALLEL FOK RWY 15/33 AND NOT W AS REQUIRED. SPOTTING THE L-SHAPED RWY LAYOUT AT ABOUT THE RIGHT DISTANCE LULLED ME INTO BELIEVING MY SEARCH WAS OVER. I MISTAKENLY NEVER XCHKED MY VORS FOR CONFIRMATION UNTIL I HAD ALREADY ENCROACHED THE CTO ATA. LESSON: NEVER; NEVER; ASSUME!