At least in US airspace above 17999ft you would use 29.92 as your altimeter setting…no matter what the real pressure is.
The real barometric pressure is only used below IFR flight levels.
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At least in US airspace above 17999ft you would use 29.92 as your altimeter setting…no matter what the real pressure is.
The real barometric pressure is only used below IFR flight levels.