There are a lot of good reasons that some airplanes will never — and in some cases should never — fly again. Sometimes the safety, economic or logistical obstacles are just too great.

5. Fly-by-Wire Technology. Modern airplanes often utilize fly-by-wire systems, replacing traditional manual controls with an electronic interface.In these systems, pilots’ inputs are converted ...

On a hot tarmac in the peak of summer, an airplane’s crew has little choice but to run the air conditioner to keep themselves and their passengers cool. But soon, crews could become less reliant ...