Pressure Altitude 2 : The indicated altitude of an aircraft's pressure altimeter at an altimeter setting of 29.92 inches of mercury (in. Hg). Note: Density Altitude
The Canadian Interagency Forest Fire Centre (CIFFC), Glossary of Forest Fire Management Terms, Manitoba, Canada 2003. http://bcwildfire.ca/mediaroom/Backgrounders/2003_ Fire_Glossary.pdf, (For Fr - Canad) {474}