Welcome to rootschat, lukyrauch.
warncoort's link did not make sense to me, either.
Is this him going the other way?
Jaroslav Polacek age 20 (should be 21, so perhaps not him)
Arrival Date: 30 Aug 1926
Born plzen, Czechoslovakia
Ethnicity/ Nationality: Bohemian
Port of Departure: Cherbourg, France
Port of Arrival: New York, New York
Ship Name: Columbus
I got the above information from Ancestry - worldwide.
Ancestry got it from 'New York, Passenger and Crew Lists (including Castle Garden and Ellis Island), 1820-1957'
Added: F M P has the same record.
Sorry, not much use.