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CFR › Title 14 › Chapter I › Subchapter C › Part 35 › Subpart B › Section 35.23

14 CFR 35.23 - Propeller control system.

There is 1 rule appearing in the Federal Register for 14 CFR 35. Select the tab below to view, or View eCFR (GPOAccess)
§ 35.23
Propeller control system.
The requirements of this section apply to any system or component that controls, limits or monitors propeller functions.
(a) The propeller control system must be designed, constructed and validated to show that:
(1) The propeller control system, operating in normal and alternative operating modes and in transition between operating modes, performs the functions defined by the applicant throughout the declared operating conditions and flight envelope.
(2) The propeller control system functionality is not adversely affected by the declared environmental conditions, including temperature, electromagnetic interference (EMI), high intensity radiated fields (HIRF) and lightning. The environmental limits to which the system has been satisfactorily validated must be documented in the appropriate propeller manuals.
(3) A method is provided to indicate that an operating mode change has occurred if flight crew action is required. In such an event, operating instructions must be provided in the appropriate manuals.
(b) The propeller control system must be designed and constructed so that, in addition to compliance with § 35.15 :
(1) No single failure or malfunction of electrical or electronic components in the control system results in a hazardous propeller effect.
(2) Failures or malfunctions directly affecting the propeller control system in a typical airplane, such as structural failures of attachments to the control, fire, or overheat, do not lead to a hazardous propeller effect.
(3) The loss of normal propeller pitch control does not cause a hazardous propeller effect under the intended operating conditions.
(4) The failure or corruption of data or signals shared across propellers does not cause a hazardous propeller effect.
(c) Electronic propeller control system imbedded software must be designed and implemented by a method approved by the Administrator that is consistent with the criticality of the performed functions and that minimizes the existence of software errors.
(d) The propeller control system must be designed and constructed so that the failure or corruption of airplane-supplied data does not result in hazardous propeller effects.
(e) The propeller control system must be designed and constructed so that the loss, interruption or abnormal characteristic of airplane-supplied electrical power does not result in hazardous propeller effects. The power quality requirements must be described in the appropriate manuals.
[Amdt. 35-8, 73 FR 63347, Oct. 24, 2008]

Title 14 published on 2012-01-01

The following are only the Rules published in the Federal Register after the published date of Title 14.

For a complete list of all Rules, Proposed Rules, and Notices view the Rulemaking tab.

  • 2013-01-18; vol. 78 # 13 - Friday, January 18, 2013
    1. 78 FR 4038 - Critical Parts for Airplane Propellers
      GPO FDSys XML | Text
      DEPARTMENT OF TRANSPORTATION, Federal Aviation Administration
      Final rule.
      Effective March 19, 2013. Affected parties, however, are not required to comply with the information collection requirement[s] in § 35.16 until the Office of Management and Budget (OMB) approves the collection and assigns a control number under the Paperwork Reduction Act of 1995. The FAA will publish in the Federal Register a notice of the control number[s] assigned by the Office of Management and Budget (OMB) for this [these] information collection requirement[s].
      14 CFR Part 35

This is a list of United States Code sections, Statutes at Large, Public Laws, and Presidential Documents, which provide rulemaking authority for this CFR Part.

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It is not guaranteed to be accurate or up-to-date, though we do refresh the database weekly. More limitations on accuracy are described at the GPO site.

United States Code
USC : Title 49 - TRANSPORTATION

§ 106 - Federal Aviation Administration

§ 40113 - Administrative

§ 44701 - General requirements

§ 44702 - Issuance of certificates

§ 44704 - Type certificates, production certificates, airworthiness certificates, and design organization certificates

Title 14 published on 2012-01-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 14 CFR 35 after this date.

  • 2013-01-18; vol. 78 # 13 - Friday, January 18, 2013
    1. 78 FR 4038 - Critical Parts for Airplane Propellers
      GPO FDSys XML | Text
      DEPARTMENT OF TRANSPORTATION, Federal Aviation Administration
      Final rule.
      Effective March 19, 2013. Affected parties, however, are not required to comply with the information collection requirement[s] in § 35.16 until the Office of Management and Budget (OMB) approves the collection and assigns a control number under the Paperwork Reduction Act of 1995. The FAA will publish in the Federal Register a notice of the control number[s] assigned by the Office of Management and Budget (OMB) for this [these] information collection requirement[s].
      14 CFR Part 35