14 CFR 25.703 - Takeoff warning system.

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§ 25.703 Takeoff warning system.
A takeoff warning system must be installed and must meet the following requirements:
(a) The system must provide to the pilots an aural warning that is automatically activated during the initial portion of the takeoff roll if the airplane is in a configuration, including any of the following, that would not allow a safe takeoff:
(1) The wing flaps or leading edge devices are not within the approved range of takeoff positions.
(2) Wing spoilers (except lateral control spoilers meeting the requirements of § 25.671), speed brakes, or longitudinal trim devices are in a position that would not allow a safe takeoff.
(b) The warning required by paragraph (a) of this section must continue until—
(1) The configuration is changed to allow a safe takeoff;
(2) Action is taken by the pilot to terminate the takeoff roll;
(3) The airplane is rotated for takeoff; or
(4) The warning is manually deactivated by the pilot.
(c) The means used to activate the system must function properly throughout the ranges of takeoff weights, altitudes, and temperatures for which certification is requested.
[Amdt. 25-42, 43 FR 2323, Jan. 16, 1978]

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.

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  • 2014-12-11; vol. 79 # 238 - Thursday, December 11, 2014
    1. 79 FR 73462 - Harmonization of Airworthiness Standards—Gust and Maneuver Load Requirements
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      DEPARTMENT OF TRANSPORTATION, Federal Aviation Administration
      Final rule.
      Effective February 9, 2015.
      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.

  • 2014-12-18; vol. 79 # 243 - Thursday, December 18, 2014
    1. 79 FR 75496 - Transport Airplane Fuel Tank and System Lightning Protection
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      DEPARTMENT OF TRANSPORTATION, Federal Aviation Administration
      Notice of proposed rulemaking (NPRM).
      Send comments on or before March 18, 2015.
      14 CFR Part 25