StacksVerified U.S. regulatory reference

14 CFR §27.1017

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)Each oil line must be supported to prevent excessive vibration.
  2. (b)Each oil line connected to components of the rotorcraft between which relative motion could exist must have provisions for flexibility.
  3. (c)Flexible hose must be approved.
  4. (d)Each oil line must have an inside diameter of not less than the inside diameter of the engine inlet or outlet. No line may have splices between connections.