StacksVerified U.S. regulatory reference

14 CFR §27.1187

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Each compartment containing any part of the powerplant installation must have provision for ventilation and drainage of flammable fluids. The drainage means must be—
  1. (a)Effective under conditions expected to prevail when drainage is needed, and
  2. (b)Arranged so that no discharged fluid will cause an additional fire hazard.