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CA.I.D.S4FAA-S-ACS-7B · Nov 2023Skills

Recalculate fuel reserves based on a scenario provided by the evaluator.

ACS element text (the applicant demonstrates understanding of)

Recalculate fuel reserves based on a scenario provided by the evaluator.

Bottom line

Since the rate of fuel consumption remains relatively constant at a given TAS, you must use GS to calculate fuel consumption when wind is present. When estimating consumption you must plan for cruise flight as well as startup and taxi, and higher fuel burn during climb.

FAA references

  1. 14 CFR 91.151 (Fuel requirements for flight in VFR conditions.) — eCFR current as of 2026-03-05
  2. PHAK ch. 16 (p. 16-12) — FAA-H-8083-25C (2023)
  3. PHAK ch. 2 (p. 2-22) — FAA-H-8083-25C (2023)
  4. AIM 5-5-15 (Minimum Fuel Advisory) — AIM Basic 2/20/25 w/ Change 1 (8/7/25) & Change 2 (1/22/26)
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