FlyCurrentFLYCURRENT
CA.IV.G.K1FAA-S-ACS-7B · Nov 2023Knowledge

Effects of atmospheric conditions, including wind, on takeoff and climb performance.

ACS element text (the applicant demonstrates understanding of)

Effects of atmospheric conditions, including wind, on takeoff and climb performance.

Bottom line

Pressure, temperature, and humidity have a great influence on aircraft performance because of their effect upon density.

Key numbers

Key numbers for Effects of atmospheric conditions, including wind, on takeoff and climb performance.
NumberWhat it means
~2,000 feet at 5,000 feet operational altitude vs 1,000 feet at sea level (average small airplane, standard atmospheric conditions)Takeoff distance
2,000 feet field elevation and higherDensity advisory

FAA references

  1. PHAK ch. 11 (p. 11-5) — FAA-H-8083-25C (2023)
  2. AIM 7-6-7 (Mountain Flying) — AIM Basic 2/20/25 w/ Change 1 (8/7/25) & Change 2 (1/22/26)
  3. RMH ch. 3 (p. 3-7) — FAA-H-8083-2A
  4. AFH ch. 9 (p. 9-12) — FAA-H-8083-3C
  5. PHAK ch. 5 (p. 5-42) — FAA-H-8083-25C (2023)
  6. RMH ch. 3 (p. 3-6) — FAA-H-8083-2A
  7. SEA ch. 6 (p. 6-8) — FAA-H-8083-23
  8. AFH ch. 12, Operational Procedures (p. 12-5) — FAA-H-8083-3C
  9. SEA ch. 4 (p. 4-16) — FAA-H-8083-23
  10. RMH App. C (p. C-1) — FAA-H-8083-2A
Members lesson

Build understanding you can use

Unlock the full lesson and continue studying this element.

  • Full teaching sections: What it is; Key points; Rules and numbers; How it is done
  • Check your understanding with answers you can reveal
  • Common mistakes paired with the FAA facts that correct them
View membership options