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The maximum cruising speed of the McDonnell Douglas MD-80 is Mach 0.76 (504 mph, 811 km/h)
The max speed of an MD80 is 500kt, cruising speed around 440kt.
500 mph
200 kph about 75 mph, i once hit 80 mph downhill......lol....comfortable cruising speed is like 65 mph. too slow.
.80
Depending on the type and altitude they can be anywhere from 80 mph to 510 mph. A Piper Cub would be the slower end while a Platus or WW2 fighter would be the higher end.
According to McDonald's Nutritional Information Chart, 250 (80 of which are from fat).
Douglas Murray was born in Stockholm, Sweden on 03-12-80.
Melvyn Douglas died on August 4, 1981 at the age of 80.
W. Douglas Hawkes died on August 2, 1974 at the age of 80.
80% of the speed of light in vacuum is 239,833,966.4 meters per second.
L. Douglas Wilder is 80 years old (birthdate: January 17, 1931).