14 CFR 27.1361 - Master switch.

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§ 27.1361 Master switch.

(a) There must be a master switch arrangement to allow ready disconnection of each electric power source from the main bus. The point of disconnection must be adjacent to the sources controlled by the switch.

(b) Load circuits may be connected so that they remain energized after the switch is opened, if they are protected by circuit protective devices, rated at five amperes or less, adjacent to the electric power source.

(c) The master switch or its controls must be installed so that the switch is easily discernible and accessible to a crewmember in flight.

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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 27 after this date.

  • 2016-10-26; vol. 81 # 207 - Wednesday, October 26, 2016
    1. 81 FR 74282 - Special Conditions: Airbus Helicopters Model EC120B Helicopters, Installation of HeliSAS Autopilot and Stabilization Augmentation System (AP/SAS)
      GPO FDSys XML | Text
      DEPARTMENT OF TRANSPORTATION, Federal Aviation Administration
      Final special conditions; request for comments.
      The effective date of these special conditions is October 26, 2016. We must receive your comments on or before December 12, 2016.
      14 CFR Part 27