Thai royals aboard the Rangatira

hello.i have a query.could you please tell me if this passenger line,the"rangatira" was the ship that "bert munro".'the worlds fastest indian',travelled to usa,via bonneville,in 1967?,or was it the"tmv rangatira"? an answer would be Gratefully appreciated.thankyou.alex nixon.{hawera,sth taranaki}