PIC IS DISTR IN COCKPIT BY FLT ATTENDANT WHILE FO WAS PF. THE FO DID NOT ACKNOWLEDGE THE LAST HDG CLRNC AND TURNED TO INTERCEPT THE AIRWAY WITHOUT THE PIC DETECTING THE ERROR. CTLR CAUGHT THE MISTAKE. A PROB WITH INTRACOCKPIT COM SKILLS.

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WHILE CLBING OUT WE RECEIVED A CLRNC FROM ZBW; 'TURN R 190 DEGS AND INTERCEPT J174 AND CONTACT ZNY.' IT WAS THE FO'S LEG. I ADJUSTED THE CDU AND TOLD THE FO LNAV WAS AVAILABLE. I CONTACTED ZNY. THEY SAID; 'REMAIN ON A 190 DEG HDG; CLB TO FL190.' I POINTED TO 190 DEG HDG AND CLBED TO FL190. THE FLT ATTENDANT CAME INTO THE COCKPIT TALKING TO ME ABOUT A L1 DOOR MAKING A SQUEALING SOUND. SHE WAS OBVIOUSLY NEW TO HER JOB. I TRIED TO FIND OUT HOW BAD IT WAS. MY FO WAS NOW INTERCEPTING THE AIRWAY INSTEAD OF FLYING 190 DEGS ON THE LAST ASSIGNED ATC CLRNC. A SMALL AMOUNT OF TIME HAD EXPIRED. WE WERE NOW 50 DEGS OFF OUR HDG. ZNY ASKED US IF WE WERE ON THE 190 DEG HDG. I SAID NO; HOWEVER; WE WERE TURNING BACK. I ALSO EXPLAINED WE WERE DISTR (ME). THE FO IS A PERSON FROM A FOREIGN COUNTRY; HIS COMS IN THE ENGLISH LANGUAGE ARE FAIR. I FEEL WE NEED TO UPHOLD THE FAR PART 1 DEFINITION LAW; RULE. READ; WRITE; AND SPEAK THE ENGLISH LANGUAGE. NO GREEN CARD HOLDERS -- WE CAN'T FLY IN THEIR COUNTRY. ALSO; THE FO NEEDS TO REPLY WITH THE CLRNC.