14 C.F.R. § 27.1187 Ventilation and drainage.
Title 14 - Aeronautics and Space
Each compartment containing any part of the powerplant installation must have provision for ventilation and drainage of flammable fluids. The drainage means must be— (a) Effective under conditions expected to prevail when drainage is needed, and (b) Arranged so that no discharged fluid will cause an additional fire hazard. [Doc. No. 29247, 64 FR 45095, Aug. 18, 1999]
Title 14: Aeronautics and Space
PART 27—AIRWORTHINESS STANDARDS: NORMAL CATEGORY ROTORCRAFT
Subpart E—Powerplant
Powerplant Fire Protection
§ 27.1187 Ventilation and drainage.
