Remove Center of Gravity Remove Density Altitude Remove Stability
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What Are Common Part 107 Test Questions?

Flying Magazine

2: What effect does high density altitude have on the efficiency of a UA propeller? Density altitude does not affect propeller efficiency. You should expect to see questions that show you understand what happens when you change an aircraft’s balance, stability, and center of gravity.

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Nothing Small About It

Plane and Pilot

It was 87° F, a density altitude of 7300 feet and we ended up with four people, 120 gallons plus baggage, and we got off in 2400 feet with naturally aspirated engines. From the pilot’s seat it cruises near effortlessly and handles nimbly on land or water with a great combination of stability and modest control pressures.