AA.I.C.R1dFAA-S-ACS-11A · Nov 2023Risk management

d. Operator specified or aircraft operational limitations, if applicable

ACS element text (the applicant demonstrates understanding of)

Weather conditions involved in departure and in-flight decision making, to include: d. Operator specified or aircraft operational limitations, if applicable

Bottom line

The presence of anti-icing and deicing equipment does not necessarily mean the airplane is approved for flight in icing conditions. It is imperative for pilots to have a thorough knowledge of their specific make and model of aircraft and its unique limitations. The AFM/POH, placards, and even the manufacturer should be consulted for specific determination of approvals and limitations.

FAA references

  1. AWH ch. 3 (p. 3-3) — FAA-H-8083-28A
  2. AFH ch. 13 (p. 13-9) — FAA-H-8083-3C
  3. AWH ch. 18 (p. 18-8) — FAA-H-8083-28A
  4. AC 91-92, paras. 7.4.1.1, 8.2 — AC No: 91-92
  5. RMH ch. 5 (p. 5-2) — FAA-H-8083-2A
  6. IFH ch. 10 (p. 10-24) — FAA-H-8083-15B
  7. AC 91-74 Appendix 1 — AC No: 91-74A
  8. AC 61-107, para. 2-12, 3-2 — AC No: 61-107B
  9. 14 CFR 91.327 (Aircraft issued a special airworthiness certificate in the light-sport category: Operating limitations.) — eCFR current as of 2026-03-05
  10. 14 CFR 91.605 (Transport category civil airplane weight limitations.) — eCFR current as of 2026-03-05
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