Airman Certification Standards
ACS AI.V.C
Engine Starting
This reproduces published FAA reference text for study. It does not replace the current official FAA publication or regulation.
Knowledge
K1
Starting under various conditions.
K2
Starting the engine(s) by use of external power.
K3
Engine limitations as they relate to starting.
Risk Management
R1
Propeller safety.
R2
Use of external power unit.
R3
Limitations during starting. 29
Skill
S1
Position the airplane properly considering structures, other aircraft, wind, and the safety of nearby persons and property.
S2
Complete the appropriate checklist(s).
Retrieved from ecfr.gov on July 17, 2026.