14 CFR 25.231 - Longitudinal stability and control.

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§ 25.231 Longitudinal stability and control.
(a) Landplanes may have no uncontrollable tendency to nose over in any reasonably expected operating condition or when rebound occurs during landing or takeoff. In addition—
(1) Wheel brakes must operate smoothly and may not cause any undue tendency to nose over; and
(2) If a tail-wheel landing gear is used, it must be possible, during the takeoff ground run on concrete, to maintain any attitude up to thrust line level, at 75 percent of V SR 1.
(b) For seaplanes and amphibians, the most adverse water conditions safe for takeoff, taxiing, and landing, must be established.
[Docket No. 5066, 29 FR 18291, Dec. 24, 1964, as amended by Amdt. 25-108, 67 FR 70828, Nov. 26, 2002]

Title 14 published on 2014-01-01

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.

  • 2014-08-07; vol. 79 # 152 - Thursday, August 7, 2014
    1. 79 FR 46167 - Special Conditions: Airbus Model A350-900 Series Airplane; Tire Failure—Debris Penetration or Rupture of Fuel-Tank Structure
      GPO FDSys XML | Text
      DEPARTMENT OF TRANSPORTATION, Federal Aviation Administration
      Final special conditions.
      Effective Date: September 8, 2014.
      14 CFR Part 25

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United States Code

Title 14 published on 2014-01-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 14 CFR 25 after this date.

  • 2014-08-07; vol. 79 # 152 - Thursday, August 7, 2014
    1. 79 FR 46167 - Special Conditions: Airbus Model A350-900 Series Airplane; Tire Failure—Debris Penetration or Rupture of Fuel-Tank Structure
      GPO FDSys XML | Text
      DEPARTMENT OF TRANSPORTATION, Federal Aviation Administration
      Final special conditions.
      Effective Date: September 8, 2014.
      14 CFR Part 25