How does temp affect altimeter?
How does temp affect altimeter? When the ambient (at altitude) temperature is colder than standard, the aircraft's true altitude is lower than the indicated barometric altitude.
Why do planes not freeze at altitude?
Because of ram-air heating of the wings. Forward motion of the airplane keeps the wings heated sufficiently to keep fuel temperatures just above freezing. (However, once the fuel flows down into the pipes on its way to the engines, it will start freezing, unless the path is very short.)
What are the three altimeter errors?
Aircraft altimeters are subject to the following errors and weather factors: Instrument error. Position error from aircraft static pressure systems. Nonstandard atmospheric pressure.
What does altimeter 29.92 mean?
When you set your altimeter to 29.92, you're flying at standard pressure altitude. This is the altitude of the aircraft above the standard datum plane, the theoretical location where at 15 degrees Celsius the altimeter setting will equal 29.92 inches of mercury.