Cargo Clearance Density Altitude 
Pilot Institute
MARCH 26, 2025
Key Takeaways Air density affects aircraft performance, including lift, engine power, and propeller effectiveness. Factors influencing air density include altitude, temperature, pressure, and humidity. High-density altitude reduces aircraft performance, requiring flight adjustments. What Is Air Density?
Air Facts
SEPTEMBER 11, 2024
higher density altitude), because water molecules (molecular weight = 18) displace either nitrogen or oxygen molecules. static heaviness”), any large cargo that was off-loaded had to be immediately replaced with something of equal weight or the lift gas had to be vented. Without control over buoyancy (i.e.
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