14 CFR 23.905 - Propellers.

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There are 5 Updates appearing in the Federal Register for 14 CFR Part 23. View below or at eCFR (GPOAccess)
§ 23.905 Propellers.
(a) Each propeller must have a type certificate.
(b) Engine power and propeller shaft rotational speed may not exceed the limits for which the propeller is certificated.
(c) Each featherable propeller must have a means to unfeather it in flight.
(d) The propeller blade pitch control system must meet the requirements of §§ 35.21, 35.23, 35.42 and 35.43 of this chapter.
(e) All areas of the airplane forward of the pusher propeller that are likely to accumulate and shed ice into the propeller disc during any operating condition must be suitably protected to prevent ice formation, or it must be shown that any ice shed into the propeller disc will not create a hazardous condition.
(f) Each pusher propeller must be marked so that the disc is conspicuous under normal daylight ground conditions.
(g) If the engine exhaust gases are discharged into the pusher propeller disc, it must be shown by tests, or analysis supported by tests, that the propeller is capable of continuous safe operation.
(h) All engine cowling, access doors, and other removable items must be designed to ensure that they will not separate from the airplane and contact the pusher propeller.
[Doc. No. 4080, 29 FR 17955, Dec. 18, 1964, as amended by Amdt. 23-26, 45 FR 60171, Sept. 11, 1980; Amdt. 23-29, 49 FR 6847, Feb. 23, 1984; Amdt. 23-43, 58 FR 18970, Apr. 9, 1993; Amdt. 23-59, 73 FR 63345, Oct. 24, 2008]

Title 14 published on 2015-01-01.

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

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  • 2015-05-21; vol. 80 # 98 - Thursday, May 21, 2015
    1. 80 FR 29205 - Special Conditions: Cirrus Design Corporation Model SF50 airplane; Full Authority Digital Engine Control (FADEC) System; Withdrawal
      GPO FDSys XML | Text
      DEPARTMENT OF TRANSPORTATION, Federal Aviation Administration
      Final special conditions; withdrawal.
      Effective May 21, 2015, the special condition published on April 20, 2010 (75 FR 20518) is withdrawn.
      14 CFR Part 23

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United States Code

Title 14 published on 2015-01-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 14 CFR Part 23 after this date.

  • 2015-05-21; vol. 80 # 98 - Thursday, May 21, 2015
    1. 80 FR 29205 - Special Conditions: Cirrus Design Corporation Model SF50 airplane; Full Authority Digital Engine Control (FADEC) System; Withdrawal
      GPO FDSys XML | Text
      DEPARTMENT OF TRANSPORTATION, Federal Aviation Administration
      Final special conditions; withdrawal.
      Effective May 21, 2015, the special condition published on April 20, 2010 (75 FR 20518) is withdrawn.
      14 CFR Part 23