The barometric pressure reading used to adjust a pressure altimeter for variations in existing atmospheric pressure or to the standard altimeter setting (29.92).
Source FAA Pilot/Controller Glossary · checked 2026-08-25
The barometric pressure reading used to adjust a pressure altimeter for variations in existing atmospheric pressure or to the standard altimeter setting (29.92).
Source FAA Pilot/Controller Glossary · checked 2026-08-25