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3. Which instrument measures the height above the ground? a. Airspeed indicator b. Vertical speed Indicator (VSI) c. Altimeter
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3. Which instrument measures the height above the ground?

a. Airspeed indicator
b. Vertical speed Indicator (VSI)
c. Altimeter

User Brgerner
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Altimeters are important navigation instruments for aircraft and spacecraft pilots who monitor their height above the Earth's surface. Skydivers and mountaineers also use altimeters to pinpoint their location in the sky or on the ground.
User Colin Nichols
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