StacksVerified U.S. regulatory reference

14 CFR §27.671

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)Each control and control system must operate with the ease, smoothness, and positiveness appropriate to its function.
  2. (b)Each element of each flight control system must be designed, or distinctively and permanently marked, to minimize the probability of any incorrect assembly that could result in the malfunction of the system.