US Patent 7236858 Flight mode system for personal electronic device

A personal communications device includes a processor, a plurality of subsystems connected to the processor for exchanging signals therewith, at least one of the subsystems being configurable between a flight mode and a non-flight mode, an input device connected to the processor for inputting a flight mode selection thereto, and a flight mode module operable on the processor for causing the processor to monitor for input of a predetermined flight mode selection through the input device and configure the at least one subsystem into flight mode upon the input of the flight mode selection.