Page 144 - (DK) I Can’t Believe It! 2

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The recently retired Boeing 747 was
one of just a few double-decker airliners,
another being the Airbus 380.

572 mph

Although no longer flown by US airlines, the (920 kph)
Boeing 747 is typical of today’s large jet airliners,
which fly passengers at an average speed of 545
mph (877 kph) to a top speed of 572 mph (920 kph).

The Concorde was the fastest-
ever passenger jet. It was
capable of flying from New York
to London in less than 3 hours.

1,354 mph

(2,179 kph)
How fast is the

fastest aircraft?

The X-15 was the fastest manned
airplane ever to fly. Its record speed of
4,520 mph (7,274 kph) was set in 1967

and has never been beaten.

US_142_143_309600_ICBT_Air_speed.indd 142 20/12/17 5:31 pm