An airplane comprising: a fuselage portion; a wing portion; and a flight-deck-installed, multi-function display; an onboard network; a gateway (304, 230) connected to the onboard network; an aircraft interface device connected to the onboard network to couple a portable electronic device, PED, to the flight-deck-installed, multi-function display, the aircraft interface device operable to receive information from a PED hosted application in the PED and route the information through the gateway (304, 230); and avionics to display the information on the flight-deck-installed, multi-function display, wherein the onboard network comprises: an aircraft data network used by certified avionics for communication between certified components; a flight deck crew network accessible by operationally approved, uncertified applications hosted on the PED, wherein the gateway (230, 304) routes information between the aircraft data network and the flight deck crew network; and a plurality of firewalls to isolate the aircraft data network and the flight deck crew network, and a pilot control interface wherein the aircraft interface device is further operable to couple a pilot control interface to the PED through the onboard network to enable controlling a plurality of functions on the PED via the pilot control interface, wherein the pilot control interface comprises a plurality of input and control devices, wherein the plurality of input and control devices and the flight-deck-installed, multi-function display are usable by a plurality of users where each user can provide input and control their own PED and flight-deck-installed, multi-function display, wherein the aircraft interface device is configured such that each user can provide input and exclusively control the application on another user's PED on their flight-deck-installed, multi-function display, each user can control separate PEDs independently, and users can cooperatively control a single PED. a fuselage portion; a wing portion; and a flight-deck-installed, multi-function display; an onboard network; a gateway (304, 230) connected to the onboard network; an aircraft interface device connected to the onboard network to couple a portable electronic device, PED, to the flight-deck-installed, multi-function display, the aircraft interface device operable to receive information from a PED hosted application in the PED and route the information through the gateway (304, 230); and avionics to display the information on the flight-deck-installed, multi-function display, an aircraft data network used by certified avionics for communication between certified components; a flight deck crew network accessible by operationally approved, uncertified applications hosted on the PED, wherein the gateway (230, 304) routes information between the aircraft data network and the flight deck crew network; and a plurality of firewalls to isolate the aircraft data network and the flight deck crew network, and a pilot control interface wherein the aircraft interface device is further operable to couple a pilot control interface to the PED through the onboard network to enable controlling a plurality of functions on the PED via the pilot control interface,