Why Can't Planes Fly Higher Than 35,000 Feet?

Why don’t planes just fly higher? At 35,000 feet, you’d think going up further would mean even less drag, better efficiency, and faster flights. But push too high… and the sky itself starts to become dangerous.

In this video, we break down the physics behind cruise altitude and the terrifying concept of the Coffin corner—the point where an aircraft has almost no safe speed left to fly. From rising stall speeds to shrinking margins near the speed of sound, we uncover why commercial jets are forced into a narrow band of altitude where flight is actually possible.

What you'll learn in this video:

Why planes fly at ~35,000 feet in the first place
How thinner air reduces drag and saves fuel
What stall speed is—and why it increases with altitude
Why maximum speed limits decrease at higher altitudes
What the “coffin corner” really means for pilots
Why aircraft like the Lockheed U-2 can fly higher—but at extreme risk

#aviation #physics #engineering #planes #aerospace #science #flight #technology #aviationsafety #documentary

Видео Why Can't Planes Fly Higher Than 35,000 Feet? канала Aerl