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2 cards from this section. Quick, good the night before a test.
What is air pressure?
Think about the weight of air above us.
What does an altimeter measure?
It helps know how high we are flying.
What is the primary function of an altimeter?
Think about how we figure out how high we are flying.
True or False: Air pressure increases with altitude.
Remember the principle that as we go higher, the air gets thinner.
Given an aircraft's initial altitude of 5000 meters, calculate the air pressure if the density of the air is 1.225 kg/m³.
Use the formula for air pressure: P = ρgh.
How would a drop in air pressure affect the operation of an aircraft's automatic altitude alert system?
Consider how systems rely on accurate measurements.
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