AIDA is for search of Auswanderer or Emigration of Your Ancestor .[Auswanderersuche]

If you want to search for your Ancestors emigration, I think this is my most valuable tool to find any information as they leave Hamburg.


http://aidaonline.niedersachsen.de/

There is another one for Bremen, as well. but I haven't used this other one at all. More on the Bremen one another day.