14 CFR § 35.3 - Instructions for propeller installation and operation.
The applicant must provide instructions that are approved by the Administrator. Those approved instructions must contain:
(a) Instructions for installing the propeller, which:
(3) Define the limiting conditions on the interfaces from paragraph (a)(2) of this section;
(4) List the limitations established under § 35.5;
(5) Define the hydraulic fluids approved for use with the propeller, including grade and specification, related operating pressure, and filtration levels; and
(6) State the assumptions made to comply with the requirements of this part.