14 C.F.R. § 29.1194 Other surfaces.
Title 14 - Aeronautics and Space
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. [Amdt. 29–3, 33 FR 970, Jan. 26, 1968]
Title 14: Aeronautics and Space
PART 29—AIRWORTHINESS STANDARDS: TRANSPORT CATEGORY ROTORCRAFT
Subpart E—Powerplant
Powerplant Fire Protection
§ 29.1194 Other surfaces.