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What Is Air Density? A Simple Guide for Pilots

Pilot Institute

Consider taking less fuel, cargo, or passengers when operating into high-density airfields. So, on days when we are taking off or landing at an airfield with low air density, we require faster true airspeeds to generate the required lift. This increased true airspeed, along with other factors increases takeoff and landing distances.

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The Captin is Lying and We can Prove It

Air Facts

Naturally, my first officer and I got a good laugh from this as our 757 was cruising along effortlessly at about 300 knots indicated airspeed, and was not yawing towards the supposedly dead engine. This was done to save fuel and to allow the rampers to open the cargo doors on the right side sooner.