FALCON 10 FLC LANDS AT WRONG ARPT 7 PT 5 MI FROM CORRECT ARPT. PART 135 AIR TAXI OP. IFR FLT PLAN HAD BEEN CANCELED AND VISUAL APCH IN USE.

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THIS WAS AN IFR AIR TAXI FLT TO BPK; AR. 6 PAX; 2 TYPE RATED; ATP PLTS. BECAUSE WX WAS CLR; WE PLANNED A VISUAL APCH. RWY AT PLANNED DEST WAS RWY 5/23 AND 5000 FT. ABOUT 15 MI OUT; THE CAPT AND I SPOTTED THE ARPT. ABOUT 4 MI FROM THE ARPT; WE CANCELED IFR AND ENTERED A L DOWNWIND. WE WERE FOCUSED ON MAINTAINING SUFFICIENT CLRNC WITH SOME VERY HIGH RIDGES ON DOWNWIND/BASE. WE LANDED; AT WHAT TURNED OUT TO BE FLIPPEN; AR; RWY 4/22; 4120 FT. THE FIRST CLUE; ON FAIRLY SHORT FINAL; WAS THAT THE FBO RAMP WAS MIDFIELD; INSTEAD OF NE. THE DEST ARPT WAS IN FACT 7.5 NM NE OF WHERE WE LANDED. BOTH ARPTS ARE UNCTLED. NEITHER THE CAPT NOR I REALIZED THAT THE FLIPPEN; AR; ARPT WAS SO SIMILAR TO THAT OF MOUNTAIN HOME; AR. WE HAD NO REASON TO REVIEW THE FLIPPEN CHARTS; SINCE WE HAD NOT INTENDED TO LAND THERE. WE DID; HOWEVER; REVIEW THE MOUNTAIN HOME CHART PRIOR TO FLT. 2 THINGS CAUSED THIS MISTAKE. 1) WE FOCUSED ON THE FIRST 'CORRECT APPEARING' ARPT WE SAW; WITHOUT FURTHER CONFIRMATION. OUR ASSUMPTION THAT WE WERE AT THE CORRECT ARPT 'FIXATED' OUR ATTN ON LNDG. 2) WE WERE DISTR NEAR THE ARPT BY THE HIGH RIDGES NEARBY. BY THE TIME I TOOK A CRITICAL LOOK AT THE ARPT; WE WERE PAST THE RIDGES ON SHORT FINAL; AND AT THAT POINT A LNDG FROM A STABILIZED APCH WAS SAFER THAN AN UNPLANNED; HURRIED GAR FROM LOW ALT; EVEN THOUGH I WAS BEGINNING TO HAVE MISGIVINGS ABOUT OUR LOCATION.