StacksVerified U.S. regulatory reference

14 CFR §29.1194

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
All surfaces aft of, and near, engine compartments and designated fire zones, other than tail surfaces not subject to heat, flames, or sparks emanating from a designated fire zone or engine compartment, must be at least fire resistant.