Andrew Naidu, a licensed aircraft engineer, explained in a LinkedIn article how these chevrons help deliver better flight ...

The Boeing 787 comes with both GE and Rolls-Royce engine options, although GE's engines have become more popular in recent times.

Narrow-body aircraft are considered invaluable for runways and airports that can't accommodate double-row counterparts, but ...

The compromise solution was a shorter 747 with four conventional engines, the 747SP, with the suffix "Special Performance." Entering service in 1976 with Pan Am, Boeing built 45 747SP aircraft.

The airline patched a fifth engine onto the wing of the Boeing 747-400 jumbo jet. The engine was destined for another aircraft that became stranded after experiencing mechanical trouble.

But the "Queen of the Skies" is growing old, and its four engines are thirstier than newer ... monarchs on this list, he has one Boeing 747-8, which is operated by the airline Sultan's Flight.