Airman Certification Standards
ACS PH.VIII.J
Low Gravity (G) Recognition and Recovery
This reproduces published FAA reference text for study. It does not replace the current official FAA publication or regulation.
Knowledge
K1
Exhibits knowledge of the elements related to low G conditions by describing:
K1a
a. Aerodynamic factors related to low G conditions
K1b
b. Situations that contribute to low G conditions
K1c
c. Avoidance, recognition, and appropriate recovery procedures
K2
Effects of low G conditions on various rotor systems.
K3
Pilot responses that lead to mast bumping in a low G condition, if applicable.
Risk Management
R1
Control inputs that cause low G conditions.
R2
Turbulence/gusty wind conditions.
R3
Control inputs that cause mast bumping.
Skill
S1
[Intentionally left blank].
Retrieved from ecfr.gov on July 17, 2026.