Airplane is a setting to disable the device's signal transmitting functions on mobile devices.
Airplane mode is a setting available on most modern mobile electronic devices like cellphone, tablet and etc. that when engaged, suspends the device's signal transmitting functions (both WIFI and Cellular network), thereby disabling the device's capacity to place or receive calls or text messages or access internet, while still permitting use of other functions, and let user use the device in some restricted area like Airplane.
