Speed of Sound and Altitude
Name: Leon B.
What is average speed of sound at 41000 feet altitude?
The speed of sound at 41,000 feet altitude is about 660 mph.
Go to web site at
and you can quickly calculate the speed of sound at various altitudes.
It also has a good discussion of the physics of sound.
Best, Dick Plano, Professor of Physics emeritus, Rutgers Universiey
The best way to obtain this average is to use the 1976 standard atmosphere
model calculator. This is a reference model used by scientists and engineers
to input average data into computations so that "everyone" is using the same
reference. You can find the calculator on a number of web sites if you search
"standard atmosphere". One calculator is located on the URL:
Puting in 41000 ft gives 968 ft/sec
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Update: June 2012