14 CFR 23.66 - Takeoff climb: One-engine inoperative.

Status message

There are 5 Updates appearing in the Federal Register for 14 CFR Part 23. View below or at eCFR (GPOAccess)
§ 23.66 Takeoff climb: One-engine inoperative.
For normal, utility, and acrobatic category reciprocating engine-powered airplanes of more than 6,000 pounds maximum weight, and turbine engine-powered airplanes in the normal, utility, and acrobatic category, the steady gradient of climb or descent must be determined at each weight, altitude, and ambient temperature within the operational limits established by the applicant with—
(a) The critical engine inoperative and its propeller in the position it rapidly and automatically assumes;
(b) The remaining engine(s) at takeoff power;
(c) The landing gear extended, except that if the landing gear can be retracted in not more than seven seconds, the test may be conducted with the gear retracted;
(d) The wing flaps in the takeoff position(s):
(e) The wings level; and
(f) A climb speed equal to that achieved at 50 feet in the demonstration of § 23.53.
[Doc. No. 27807, 61 FR 5186, Feb. 9, 1996]

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.

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

  • 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      Effective May 21, 2015, the special condition published on April 20, 2010 (75 FR 20518) is withdrawn.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

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.

This list is taken from the Parallel Table of Authorities and Rules provided by GPO [Government Printing Office].

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

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