The 727 became a mainstay of airlines' domestic route networks and was also used on short- and medium-range international routes.

Politicians forced it to fly unprofitable domestic routes to remote constituencies.

Most long-distance flights would not be affected, but domestic routes would be hit hard.

First, which domestic routes make commercial sense for other airlines to fly.

Affordable and environmentally sustainable, it will mean we can add new domestic routes while significantly boosting flights to fast-growing markets abroad.