NORTH AMERICAN T6 PLT LOST DIRECTIONAL CTL DURING LNDG AT A NON TWR ARPT RESULTING IN DAMAGING THE MAIN WHEEL GEAR DOORS AND TXWY LIGHTS DURING A GAR.

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AFTER PARTICIPATING IN A SPECIAL EVENT AT MACDILL ARPT; I WAS TOLD THE ONLY FUEL AVAILABLE WOULD BE AT PETER KNIGHT FIELD APPROX 4 MI N. I EXPRESSED MY CONCERNS NUMEROUS TIMES AND REQUESTED REFUELING AT MACDILL; BUT WAS DENIED. AFTER STUDYING THE RWY AND SURROUNDING AREA AND CHKING THE WINDS AT MACDILL AT LEAST 3 TIMES WITH THE WX SPECIALIST; I ELECTED TO GO TO PETER KNIGHT FOR FUEL. THE RWY WAS 200 FT SHORTER THAN THE SHORTEST RWY (3600 FT) I HAD PREVIOUSLY LANDED ON ALTHOUGH THAT RWY WAS AT 5000 FT MSL. THIS 3400 FT RWY WAS AT SEA LEVEL. I DEPARTED MACDILL AND ENTERED A MIDFIELD DOWNWIND FOR RWY 21 AT KNIGHT (I DEPARTED RWY 22 AT MACDILL). I MADE SURE TO TOUCH DOWN ON SPD; ON 'THE NUMBERS.' AS I ROLLED OUT; I BEGAN TO DRIFT L. I CONTINUED TO TRY TO CORRECT MY DIRECTION TO CTRLINE BUT AS I SAW THAT I WAS APCHING THE RWY'S L EDGE; I APPLIED PWR AND ELECTED TO GAR. AFTER TKOF; I TURNED LEFT TO AVOID ONCOMING OBSTACLES SINCE I WAS L OF CTRLINE. I WAS AT A VERY LOW SPD; CTLING THE ACFT. ONCE SUFFICIENT ALT WAS GAINED; I RETRACTED THE GEAR AND FLAPS AND ELECTED TO NOT ATTEMPT ANOTHER LNDG AT KNIGHT BUT TO GO TO TPA. AFTER CONTACTING APCH CTL; I LANDED AT TPA WITHOUT INCIDENT. UNBEKNOWNST TO ME; THE LINE CREWMAN POINTED OUT I HAD SCRAPED THE GEAR DOOR'S BOTTOM 4 INCHES ON THE LEADING EDGE AND BENT 2 INCHES OF THE RIM OF THE TAILWHEEL. I THOUGHT I HAD CONTACTED THE EDGE OF THE RWY; BUT THE NEXT DAY AFTER VISITING WITH THE KNIGHT FIELD ARPT MGR; I HAD FOUND I HAD CONTACTED 2 TXWY LIGHTS; AND A SMALL PIPE LEADING FROM THE FUEL AREA WITH MY MAIN GEAR. I HAD ABSOLUTELY NO IDEA I HAD STRUCK ANYTHING DURING MY ABORTED LNDG ATTEMPT. CONTRIBUTING FACTORS: 1) MY DECISION TO FLY INTO AN ARPT; CONTRARY TO MY INSTINCTS; FOR FREE FUEL. 2) NOT LISTENING TO MY 'INNER VOICE OF CONCERN' AND NOT BEING CONSERVATIVE WITH THE ACFT IN CONSIDERATION OF MY EXPERIENCE. 3) FINANCIAL PRESSURE OF FREE FUEL -- I AM ON A TIGHT BUDGET WITH THE OP OF THIS PLANE. 4) UNFAMILIARITY WITH THE AREA; AND LATE AFTERNOON WX CONDITIONS WHICH SPAWN SEA BREEZES AND GUSTY WINDS; 90 DEGS TO THE RWY OF INTENDED LNDG. HUMAN PERFORMANCE: HESITATION ON THE ABORTED LNDG DECISION. ONCE THINGS BEGAN TO GO AWRY; I SHOULD'VE IMMEDIATELY ABORTED THE LNDG. HOWEVER; I TRIED TO 'COMPLETE THE MISSION' AND LAND.