StacksVerified U.S. regulatory reference

14 CFR §27.601

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)The rotorcraft may have no design features or details that experience has shown to be hazardous or unreliable.
  2. (b)The suitability of each questionable design detail and part must be established by tests.