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AI.V.C.R3FAA-S-ACS-25 · Nov 2023Risk management

Limitations during starting.

ACS element text (the applicant demonstrates understanding of)

Limitations during starting.

Bottom line

When the EGT exceeds the safe limit of an aircraft, it experiences a “hot start.” This is caused by too much fuel entering the combustion chamber or insufficient turbine rpm. A hung start may be caused by an insufficient starting power source or fuel control malfunction. Any time an engine has a hot start, refer to the AFM/POH or an appropriate maintenance manual for inspection requirements.

FAA references

  1. PHAK ch. 7 (p. 7-23) — FAA-H-8083-25C (2023)
  2. AFH ch. 11 (p. 11-8) — FAA-H-8083-3C
  3. AFH ch. 1 (p. 1-15) — FAA-H-8083-3C
  4. PHAK ch. 7 (p. 7-18) — FAA-H-8083-25C (2023)
  5. PHAK ch. 7 (p. 7-30) — FAA-H-8083-25C (2023)
  6. SEA ch. 7 (p. 7-4) — FAA-H-8083-23
  7. PHAK ch. 7 (p. 7-20) — FAA-H-8083-25C (2023)
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