WRONG RWY LNDG ON RWY 19R BY THE PIC; PF AS FO; WHEN OTHER PLT IN L SEAT OF DHC2 ADVISES INCORRECTLY THAT PIC SHOULD BE LINED UP WITH RWY 19R VERSUS RWY 19L AT FAI; AK.

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I WAS IN THE TFC PATTERN AT FAIRBANKS INTL ARPT TO LAND. I WAS FLYING A DEHAVILLAND BEAVER (DHC2). I WAS SEATED IN THE R SEAT WITH ANOTHER PLT SEATED IN THE L SEAT. BOTH PLTS ARE RATED AND HAVE EXTENSIVE EXPERIENCE IN THE AIRPLANE AT THAT ARPT/RWY. I AM A CFI; HOWEVER; I WAS NOT ACTING AS A CFI AT THE TIME OF THIS EVENT. I WAS PIC AND THAT FACT WAS VERY CLR TO BOTH OF US AT THAT MOMENT. I UNDERSTOOD THE TWR TO SAY 'CLRED R BASE TO LAND RWY 19L.' I TURNED FROM DOWNWIND TO BASE AND PROCEEDED TO FLY TO RWY 19L. MY CO-PLT STOPPED ME AND SAID (AT THE LAST MOMENT) 'HEY; RWY 19R NOT RWY 19L.' I TURNED IMMEDIATELY AND LANDED ON RWY 19R. MY MISTAKE; MY FAULT; END OF DISCUSSION ON THAT! I ACCEPT THE RESPONSIBILITY. BASICALLY I AM NOT A STUBBORN PERSON AND I BELIEVE IN 'CRM' AND I USE IT ON GOV FLOWN MISSIONS. I BELIEVE IN MY CO-PLT. AT THAT MOMENT; I BELIEVED I WAS MISTAKEN AND I FOLLOWED THE CO-PLT'S SUGGESTION AND LANDED. NO OTHER PLANES WERE INVOLVED AND NO TFC EXISTED AT THE TIME. BECAUSE FAIRBANKS IS IN THE ARCTIC AND IT IS LATE SPRING; WE STILL HAD DAYLIGHT. CONTRIBUTING FACTORS MAY HAVE BEEN LIGHT FATIGUE; A 4 HR FLT LATE IN THE DAY. WE HAD JUST BEEN TRACKING AN ELT 150 MI AWAY. ALL ELT FINDING RADIOS WERE STILL ON; HOWEVER NOT MAKING ANY COCKPIT NOISE WHEN WE CAME OVER THE RIDGE (3 MI FROM THE ARPT); ANOTHER ELT SET OFF ALL THE ALARMS DISTRACTING ME. THUS CONTRIBUTING FACTORS: 1) CO-PLT DIRECTION. 2) DISTR. 3) SOME FATIGUE. TWR CAUGHT IT AND WE TALKED ABOUT IT IMMEDIATELY. CORRECTIVE ACTIONS: I DISCUSSED IT WITH MY CO-PLT AND I WILL BRING IT UP AGAIN AT OUR NEXT SAFETY MEETING. I WILL WRITE DOWN LNDG CLRNCS AND READ BACK OFF MY WRITTEN WORD AND VERIFY WITH THE CO-PLT AND TWR AGAIN.