Barometric altimeters are most common, and measure altitude above sea level using atmospheric pressure. Modern commercial ...

There is far more to altitudes and altimeters than most people think. When pilots equip themselves with the proper knowledge of the various altitude types, they can maintain situational awareness ...

The US will not delay a deadline for airlines to refit planes with new sensors to address possible 5G interference, despite concerns the cut-off date could cause travel disruption. Transport ...