Standard altimeter setting

urn:aero:airm:1.0.0:ContextualModel:ATMBusinessTerms:Standard_altimeter_setting

A pressure setting of 1013.2 hPa (1013.1 mb) which, when set on the subscale of the sensitive altimeter, will cause the altimeter to read zero when at mean sea level in the ICAO standard atmosphere.

Source: ICAO