PTTSLOTG Most PDAs have power management systems in place to extend the battery life. Since November 2005, the Munich Airport has a certified environmental management system according to DIN ISO 14001 and EMAS. Munich Airport was involved in the Air Transport Initiative for Germany, which was also attended by Fraport, Deutsche Flugsicherung and Lufthansa. The defunct German airline DBA, originally Deutsche BA, had its head office on the grounds of the airport and in Hallbergmoos. In 2014, its subsidiary Lufthansa CityLine relocated their administration offices from Cologne to the grounds of Munich Airport.|Mounted Inside a Pull Switch