14 C.F.R. § 27.1194 Other surfaces.
Title 14 - Aeronautics and Space
All surfaces aft of, and near, powerplant compartments, other than tail surfaces not subject to heat, flames, or sparks emanating from a powerplant compartment, must be at least fire resistant. [Amdt. 27–2, 33 FR 964, Jan. 26, 1968]
Title 14: Aeronautics and Space
PART 27—AIRWORTHINESS STANDARDS: NORMAL CATEGORY ROTORCRAFT
Subpart E—Powerplant
Powerplant Fire Protection
§ 27.1194 Other surfaces.