BEACONS and LIGHTS of AI always on at night?????????

Hi thereit's so unrealistic that all AI aircraft in FS2002 are completely dark when standing at their gates at night. In reality the paxe would say Thanx a lot to the pilot when he would switch off all the cabin lights after shut-down the engines at the terminal.How can I modify the aircraft files that the lights of AI aircraft are ALWAYS ON at night at the gate????Thanx for replying...:-zhelp