Instruments
Altimeter
Definition
A barometric instrument measuring altitude by sensing atmospheric pressure changes. Requires proper setting to display correct altitude. Errors increase with distance from the pressure setting source.
Related Terms
Altimeter Setting(QNH)
The barometric pressure adjusted to sea level used to set the altimeter so it re...
Pressure Altitude
The indicated altitude when the altimeter is set to 29.92 inHg (1013.25 hPa). Us...
Encoding Altimeter
An altimeter that provides digitized altitude information to the transponder for...
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