CA.I.G.K1fFAA-S-ACS-7B · Nov 2023Knowledge

f. Electrical

ACS element text (the applicant demonstrates understanding of)

Airplane systems, including: f. Electrical

Bottom line

The primary function of an aircraft electrical system is to generate, regulate, and distribute electrical power throughout the aircraft. Electrical energy stored in a battery provides a source of electrical power for starting the engine and a limited supply of electrical power for use in the event the alternator or generator fails.

Key numbers

Key numbers for f. Electrical
NumberWhat it means
up to 40° from windscreen anti-ice electrical currentCompass deviation
system number 24MEL chapter

FAA references

  1. PHAK ch. 3 (p. 3-8) — FAA-H-8083-25C (2023)
  2. PHAK ch. 7 (p. 7-30) — FAA-H-8083-25C (2023)
  3. PHAK ch. 7 (p. 7-41) — FAA-H-8083-25C (2023)
  4. AFH ch. 16 (p. 16-25) — FAA-H-8083-3C
  5. RMH ch. 3 (p. 3-8) — FAA-H-8083-2A
Members lesson

Build understanding you can use

Unlock the full lesson and continue studying this element.

  • Full teaching sections: 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