Here's what that means for turbulence. Every flier waits to hear those magic words after takeoff: “We have reached cruising altitude; you’re now free to move about the cabin.” But what is cruising ...
A United States fighter jet shot down an unidentified high altitude object overflying ... The object was flying at an altitude of 40,000 feet (12,200 meters) and is reported to have come down ...
Every flier waits to hear those magic words after takeoff: “We have reached cruising altitude ... most transport category aircraft can fly at high altitudes, but their performance varies ...