Every month, an airline printed advertisement, minus airline name and logo, is displayed for your guessing pleasure on Guess The Airline. The following is the answer to a previous game.
Once again, this was an advertisement from a 1977 issue of The Economist for an airline which no longer exists. Are you ready? Scroll down!

How to guess it?
As Montego, an airodyssey.net user so eloquently put it: “It’s obviously Sabena! 1. The plane shown has a blue-themed livery. 2. First flight to/from Brussels to Africa. 3. Majority of listed destinations in Africa are still served by Brussels Airlines today”