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PA.II.C.K2FAA-S-ACS-6C · Nov 2023Knowledge

Starting the engine(s) by use of external power.

ACS element text (the applicant demonstrates understanding of)

Starting the engine(s) by use of external power.

Bottom line

External ground power units are very useful, especially during cold weather starting. Follow the manufacturer's recommendations for engine starting using a GPU.

Key numbers

Key numbers for Starting the engine(s) by use of external power.
NumberWhat it means
three times the usual amperage to crank the engine, with just a little cold-soakingCold amperage

FAA references

  1. PHAK ch. 7 (p. 7-30) — FAA-H-8083-25C (2023)
  2. SEA ch. 7 (p. 7-4) — FAA-H-8083-23
  3. PHAK ch. 7 (p. 7-18) — FAA-H-8083-25C (2023)
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