The FAA provides great information on the effects of density altitude. Check out FAA–P–8740–2 • AFS–8 (2008) HQ-08561 and the Pilot’s Handbook of Aeronautical Knowledge.

Allow time for acclimatization for endurance sports: Three to five days if possible, especially for low altitude (1,640-6,562 feet); one to two weeks for moderate altitude (6,562-9,843 feet); and ...

At nearly 8,000 feet elevation, ASE’s density altitude affects aircraft performance year-round, especially in summer. The sloped runway, opposite direction operations, ...

Extreme heat makes air less dense, pilots call it high-density altitude. Makes it more difficult for large airplanes to get off ground at DIA Denver airport. Skip Navigation ...