Pressure & Density Altitude Calculations

Pressure & Density Altitude Calculations

Know you basics to help you master flight planning

Poll

ISA standard mean sea level pressure value any where in the world is:

• 1013 hPa

• 29.92 inches of mercury

• 1.013 newtons

• 15 degrees

Multiple Choice

On this day at Mount Hotham Airport the pressure reading is 1030 hPa and the altitude above mean sea level is 4500ft. What is the pressure altitude on this day?

• 3990ft

• 3980ft

• 5010ft

• 5020ft

Poll

Which is the best legal publication to use to find out information about an airport (such as altitude above mean sea level and runway directions?

• ERSA

• AIP

• CASA Website

• VFRG

Multiple Select

The altitude at Amberly Airport is?

• 91ft

• 910ft

• 91 meters

• 910 meters

Poll

To calculate density altitude, one must first calculate the pressure altitude.

• True

• False

• Sometimes

• Always