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What Is Air Density? A Simple Guide for Pilots

Pilot Institute

For example, if we were to takeoff on an airfield at sea level at 0C (32F), it would take 1520ft to reach our obstacle clearance height of 50ft. Whereas for the same airfield on a different day, if it were 30C (86F), that same obstacle clearance height would take 1880ft. That’s an extra 360ft!