8. Airbus A330
Cruise Speed: Mach 0.82
Engines: 2
The roots of A330 go back to 1970s and Airbus’s original airliner, A300. It offered several features that were revolutionary at the time it was launched, including a glass cockpit, fly-by-wire system and a choice of three different engines, depending on the customer’s needs. More than 1,300 of them were built since 1992 when it was first offered to the airlines. It also serves in several air forces in its transport and tanker variants.