Tegel is chiefly known for being the location of Berlin-Tegel Otto Lilienthal, Berlin's main airport.
In 1900 he became Hauptobservator at the newly founded Aeronautics Observatory in Berlin-Tegel, and was later stationed at the Lindenberg Aeronautical Observatory in Beeskow.
Both the UK Civil Aviation Authority (CAA) and West Berlin's Allied Air Attachés had licensed Berlin Regional to operate year-round, daily scheduled services from Berlin Tegel to Basle, Brussels, Copenhagen, Friedrichshafen, Geneva and Kiel.
After receipt of his doctorate, Mey was employed at the Militärversuchsamt Tegel and then at the Allgemeine Elektrizitäts-Gesellschaft, where he specialized in research and development of incandescent light bulbs.
It is situated in the northwest of the city in the Reinickendorf borough, in the Ortsteil of Tegel.