Most civilian planes do not need to regularly fly at the highest altitude they physically can—but this is sometimes the case ...
Lux Planes on MSN
The limit that stops planes from climbing
As altitude increases, airplanes face a shrinking margin between stall speed and maximum safe speed. This narrow window, ...
Not What You Think Official on MSN
Why the U-2 spy plane is still one of the most dangerous aircraft to fly
The Lockheed U-2 can fly above 70,000 feet, but operating there leaves almost no margin for error. This video explains the ...
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