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AA.I.C.R1aFAA-S-ACS-11A · Nov 2023Risk management

a. Circumstances requiring a change in course or destination

ACS element text (the applicant demonstrates understanding of)

Weather conditions involved in departure and in-flight decision making, to include: a. Circumstances requiring a change in course or destination

Bottom line

If fuel runs low because of headwinds or poor flight planning, a decision to fly to an alternate airport should be made as early as possible to allow time to replan descents and advise air traffic control (ATC).

FAA references

  1. PHAK ch. 13 (p. 13-5) — FAA-H-8083-25C (2023)
  2. AC 91-92, paras. 4.17, 7.2.1, 7.4.1.1, 7.4.1.2, 7.6, 7.7 — AC No: 91-92
  3. AC 91-74, para. 6-2 — AC No: 91-74A
  4. RMH ch. 5 (p. 5-4) — FAA-H-8083-2A
  5. AC 61-107, para. 2-6 — AC No: 61-107B
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