Rodolfo Bay, CEO of Spantax himself landet a Convair CV-990 into Hamburg Finkenwerder (today the Airbus Airfield) instead of Fuhlsbüttel (the international airport) on May 31st 1967. With 128 Pax of course on the way to a press conference regarding the safety of low-cost airlines
Original newspaper report
From the local Hamburger Flugzeugwerke Company newsletter