StacksVerified U.S. regulatory reference

14 CFR §29.151

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)Longitudinal, lateral, directional, and collective controls may not exhibit excessive breakout force, friction, or preload.
  2. (b)Control system forces and free play may not inhibit a smooth, direct rotorcraft response to control system input.