You're flying old and you don't know it. The airline uses a clever trick

Zdjęcie: Samolot pasażerski Delta Air Lines Boeing 767 podczas startu na tle jasnego nieba.


You enter the plane, you see fresh seats, modern lighting and amusement screen. Everything looks like the latest machine, but the plane could be a fewer twelve years old. Airlines are increasingly investing in refreshing cabins alternatively of replacing full machines. Why?