Accident investigators are seeking to determine the accuracy of cockpit altimeter readings presented to pilots of the ...

NTSB investigators said that the American Airlines crash that occurred in January was possibly caused by two major technical mishaps.

The Black Hawk that collided with an American Airlines jet in January may not have had accurate altitude readings, ...

Transportation safety officials on Friday said they believe the crew of an Army Black Hawk helicopter that crashed into a passenger jet outside Washington, D.C., last month were wearing night vision ...

you can probably return to that altitude without problems as long as you are properly acclimatized. The concentration of oxygen at sea level is about 21% and the barometric pressure averages 760 mmHg.

like heart disease or high blood pressure, other concerns come to mind. While high altitudes can cause headaches and nausea, these usually occur in people who visit or live in high-altitude locations.

Transportation safety officials said they believe the crew of an Army Black Hawk helicopter that crashed into a passenger jet ...

Preliminary analysis of voice recordings and other black box data recovered from the crash site showed the helicopter pilot ...