Temel Kotil tells pilot inauguration ceremony 'we urge single staff members to wed' and says Lubitz's break-up with girlfriend caused disaster.
Lufthansa had offered special free flights to the crash site for victims' relatives.
But it will take a long time for investigators to match the remains with families' DNA.
Breaking:'Co-pilot looked at search terms involving cockpit doors and their security methods'.
Actions by Andreas Lubitz prompt review by government in Berlin
French newspapers claim to have seen tragic video shot on-board Germanwings plane
AXA PPP figures show 69% of business leaders think stress, anxiety or depression not reason for time off
Huge bill for air giant Lufthansa over French Alps 'murder-suicide' plane crash.
Dusseldorf prosecutors say investigation into Flight 4U9525 crash has so far revealed no clue to any motive.
Black box recorder yields harrowing audio from final moments in French Alps.
Grim task of identifying bodies from Germanwings focuses upon DNA strands.
Ex-girlfriend who flew with Lubitz as an airhostess says he wanted history to remember him.
Germanwings co-pilot Andreas Lubitz locked the captain out of the cockpit.
An investigation is taking place into Andreas Lubitz, pilot of Germanwings Flight 9525
Flight 4U9525 co-pilot had glided over the A320 crash site, members of his flying club claimed.
Germanwings crash in French Alps sparks CAA order to UK airlines
German tabloid Bild reports co-pilot in French Alps crash had mental illness problems
Police have been combing through Dusseldorf property where Andreas Lubitz lived.
Residences of Andreas Lubitz in Montabaur and Düsseldorf searched by police to find clues to co-pilot's motive.
The father of an American victim in the French Alps plane crash spoke about the loss of his 37-year old son.
Rogue pilot Andreas Lubitz was the rulebook's worst nightmare in mid-flight.
Lubitz joins a macabre group of pilots who have purposely crashed aircraft and killed their passengers.