14 CFR 29.1191 - Firewalls.

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There are 3 Updates appearing in the Federal Register for 14 CFR 29. View below or at eCFR (GPOAccess)
§ 29.1191 Firewalls.
(a) Each engine, including the combustor, turbine, and tailpipe sections of turbine engine installations, must be isolated by a firewall, shroud, or equivalent means, from personnel compartments, structures, controls, rotor mechanisms, and other parts that are—
(1) Essential to controlled flight and landing; and
(2) Not protected under § 29.861.
(b) Each auxiliary power unit, combustion heater, and other combustion equipment to be used in flight, must be isolated from the rest of the rotorcraft by firewalls, shrouds, or equivalent means.
(c) Each firewall or shroud must be constructed so that no hazardous quantity of air, fluid, or flame can pass from any engine compartment to other parts of the rotorcraft.
(d) Each opening in the firewall or shroud must be sealed with close-fitting fireproof grommets, bushings, or firewall fittings.
(e) Each firewall and shroud must be fireproof and protected against corrosion.
(f) In meeting this section, account must be taken of the probable path of a fire as affected by the airflow in normal flight and in autorotation.
[Doc. No. 5084, 29 FR 16150, Dec. 3, 1964, as amended by Amdt. 29-3, 33 FR 970, Jan. 26, 1968]

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.

  • 2014-12-31; vol. 79 # 250 - Wednesday, December 31, 2014
    1. 79 FR 78694 - Special Conditions: Airbus Helicopters Deutschland GmbH Model MBB-BK117D-2 Helicopters; Use of 30-Minute Power Rating
      GPO FDSys XML | Text
      DEPARTMENT OF TRANSPORTATION, Federal Aviation Administration
      Final special conditions; request for comments.
      This action is effective on Airbus Helicopters Deutschland GmbH Model MBB-BK117D-2 Helicopters on December 19, 2014. We must receive your comments by March 2, 2015.
      14 CFR Part 29

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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 29 after this date.

  • 2014-12-31; vol. 79 # 250 - Wednesday, December 31, 2014
    1. 79 FR 78694 - Special Conditions: Airbus Helicopters Deutschland GmbH Model MBB-BK117D-2 Helicopters; Use of 30-Minute Power Rating
      GPO FDSys XML | Text
      DEPARTMENT OF TRANSPORTATION, Federal Aviation Administration
      Final special conditions; request for comments.
      This action is effective on Airbus Helicopters Deutschland GmbH Model MBB-BK117D-2 Helicopters on December 19, 2014. We must receive your comments by March 2, 2015.
      14 CFR Part 29