14 C.F.R. § 121.225 Propeller deicing fluid.
Title 14 - Aeronautics and Space
If combustible fluid is used for propeller deicing, the certificate holder must comply with §121.255.
Title 14: Aeronautics and Space
PART 121—OPERATING REQUIREMENTS: DOMESTIC, FLAG, AND SUPPLEMENTAL OPERATIONS
Subpart J—Special Airworthiness Requirements
§ 121.225 Propeller deicing fluid.
