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PA.VI.C.S2FAA-S-ACS-6C · Nov 2023Skills

Make a reasonable estimate of heading, groundspeed, arrival time, and fuel required to ...

ACS element text (the applicant demonstrates understanding of)

Make a reasonable estimate of heading, groundspeed, arrival time, and fuel required to the “divert to” destination.

Bottom line

Once established on course, note the time, and then use the winds aloft nearest to your diversion point to calculate a heading and GS. Once a GS has been calculated, determine a new arrival time and fuel consumption.

FAA references

  1. AIH ch. 1 (p. 1-12) — FAA-H-8083-9B
  2. PHAK ch. 16 (pp. 16-34–16-35) — FAA-H-8083-25C (2023)
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