14 C.F.R. § 27.833 Heaters.
Title 14 - Aeronautics and Space
Each combustion heater must be approved. [Amdt. 27–23, 53 FR 34210, Sept. 2, 1988]
Title 14: Aeronautics and Space
PART 27—AIRWORTHINESS STANDARDS: NORMAL CATEGORY ROTORCRAFT
Subpart D—Design and Construction
Personnel and Cargo Accommodations
§ 27.833 Heaters.
