---
kind: "section"
citation: "14 C.F.R. § 35.3"
title: "14"
number: "35.3"
heading: "Instructions for propeller installation and operation."
url: "https://uscodex.org/cfr/14/35.3"
---

# §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—**
  - (1) Include a description of the operational modes of the propeller control system and functional interface of the control system with the airplane and engine systems;
  - (2) Specify the physical and functional interfaces with the airplane, airplane equipment and engine;
  - (3) Define the limiting conditions on the interfaces from [paragraph (a)(2)](#a-2) of this section;
  - (4) List the limitations established under [§ 35.5](/cfr/14/35.5.md);
  - (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.**
- (b) Instructions for operating the propeller which must specify all procedures necessary for operating the propeller within the limitations of the propeller type design.

## Notes

### Amendments

[Amdt. 35-8, 73 FR 63346, Oct. 24, 2008]

### Authority

Authority: 49 U.S.C. 106(f), 106(g), 40113, 44701-44702, 44704.

### Source

Source: Docket No. 2095, 29 FR 7458, June 10, 1964, unless otherwise noted.

### Amendments

[Amdt. 35-8, 73 FR 63346, Oct. 24, 2008]