14 C.F.R. § 25.833 Combustion heating systems.
Title 14 - Aeronautics and Space
Combustion heaters must be approved. [Amdt. 25–72, 55 FR 29783, July 20, 1990]
Title 14: Aeronautics and Space
PART 25—AIRWORTHINESS STANDARDS: TRANSPORT CATEGORY AIRPLANES
Subpart D—Design and Construction
Ventilation and Heating
§ 25.833 Combustion heating systems.
