PA28 PLT LANDS AT WRONG ARPT DUE TO AIRFRAME ICING AND INCLEMENT WX.

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CHEROKEE LANDED AT ZZZ INSTEAD OF ZZZ2 WHILE TALKING TO ZZZ2. PLT WAS A FOREIGN SPEAKING PLT AND IT WAS INCREDIBLY DIFFICULT TO UNDERSTAND HIM. THE WX WAS BAD; WITH PREVIOUS ICING RPTS 1 HR OLD. AFTER MUCH QUESTIONING AND CONFUSION; THE PLT WAS CLRED TO LAND WITH A 'NOT IN SIGHT' CLRNC. EVEN AFTER THE CLRNC; I WAS STILL TRYING TO ASCERTAIN HIS POS. SO; I QUESTIONED HIM FURTHER AND CALLED OVER TO ZZZ AND ASKED THEM IF THEY SAW ANYTHING. THEY SAID A SMALL PLANE JUST LANDED WITH A VEHICLE ON THE RWY 17R OVERRUN AREA. LOSS OF SEPARATION IS UNKNOWN. ALTHOUGH THE PLT SAID HE HAD NO ICING TO ME; THE RDR CTLR SAID HE DID HAVE ICING ON HIS ACFT. I FIGURED AS MUCH; BECAUSE HE SEEMED PANICKY AND I WAS VERY ANXIOUS ABOUT JUST GETTING HIM SAFELY ON THE GND WHEN HE ASKED ME FOR THE LNDG CLRNC. THANKFULLY; AND ALTHOUGH LNDG ON AN AFB; THE PLT LANDED SAFELY AND NO ONE GOT HURT IN SOME VERY BAD WX. IN MY OPINION; THE ACFT SHOULD NOT HAVE DEPARTED BECAUSE OF THE WX. I DON'T CARE WHAT THE OFFICIAL ASOS SAID -- THE CEILING WAS LOWER. I WAS VERY SCARED FOR MY LIFE THAT THE PLT MIGHT FLY RIGHT INTO THE TWR WHEN HE SAID (BEFORE LNDG AT ZZZ) THAT HE WAS TURNING L (PROBABLY BECAUSE HE DID NOT GET A LNDG CLRNC RIGHT AWAY). THE GND CTLR AND ME HAD OUR INSIDE TWR LIGHTS ON LOW OR OFF AND WERE LOOKING ALL OVER THE SKY FOR ACFT TO NO AVAIL. WE ALSO LATER FOUND OUT THAT THE ZZZ BASE OPS HAD AN ARAB SPEAKING TRANSLATOR TALK TO THE PLT AND FIND OUT WHAT HAPPENED. HIS ENGLISH SKILLS WERE NOT VERY GOOD TO SAY THE LEAST I DOUBT IF HE UNDERSTOOD ME HALF OF THE TIME; AND I HAD AN EXTREMELY HARD TIME TRYING TO UNDERSTAND HIM. THIS AND THE BAD WX LED TO THE PLT LNDG AT THE WRONG FIELD. I SINCERELY HOPE THIS LESSON TEACHES THE PLT SOME COMMON SENSE. NO ONE ELSE WAS FLYING VFR IN THIS AREA FOR HRS BEFORE THIS HAPPENED BECAUSE OF THE WX. HE SHOULDN'T HAVE BEEN EITHER.