my realtime and wonderful experiences boing 747 ...For the interfaces I will discuss software with stand point of interaction like navigational aids...................................PASSENGERS PRESPECITVE AS A TRAVELLER .............................USERS PRESPECTIVE PILOT AND COPILOT PROBLEM SOLVING POINT OF VIEW ..............................................................I AM AS A TECHONOLOGIST , I WILL DISCUSS DESINGING PRESPECTIVE only COCKPIT ,HUMAN INFERFACE, EVEN SOME COMPONENTS WE ARE DISCUSSING IN OPERATING SYSTEMS LIKE RUDDERS ................