Originally Posted by
Toshbaf
32. I’ve been able to find only one airline in the world that in 1973 operated three different types of four engine narrow bodied jetliners (I’m not including variants such as a 727-100 vs a 727-200. We’re looking at only the base models) at the same time. Each aircraft type is manufactured by a different company. Identify the airline and the three aircraft types. Additionally, if you should think of any other airlines operating 3 or more 4-engine aircraft at the same time, I would be happy to verify it.
Varig; 707, DC8, Convair 990.