StacksVerified U.S. regulatory reference

14 CFR §29.1105

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
If induction system screens are used—
  1. (a)Each screen must be upstream of the carburetor;
  2. (b)No screen may be in any part of the induction system that is the only passage through which air can reach the engine, unless it can be deiced by heated air;
  3. (c)No screen may be deiced by alcohol alone; and
  4. (d)It must be impossible for fuel to strike any screen.