republic-os/legal/us/code/title-49/chapter-11/section-1117.md

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LegalText	49 U.S.C. § 1117	Methodology	us	united_states_code	code_section	49	TRANSPORTATION	11	NATIONAL TRANSPORTATION SAFETY BOARD	1117	49 U.S.C. § 1117	current	119-100	2026-06-26	official	https://uscode.house.gov/download/releasepoints/us/pl/119/100/xml_usc49@119-100.zip	/us/usc/t49/s1117	data/legal/raw/us/code/title-49/usc49.xml	dcd49c3b1cbdd3664537b23f2c821e1e498a0ba8be695126fb09b749494dbb53	0786acdd244d8f42c5a8e8ed1ec2a8dcb47dd0e02a286752710a20745702a4fb	fc775813b972d975d650e98c0977aa7c2b4342d23375d1d8644aff359cc5f43e	2026-07-04	official	legal us-code

49 U.S.C. § 1117 - Methodology

Text

(a) In General.— Not later than 2 years after the date of enactment of the National Transportation Safety Board Reauthorization Act, the Chairman shall include with each investigative report in which a recommendation is issued by the Board a methodology section detailing the process and information underlying the selection of each recommendation.

(b) Elements.— Except as provided in subsection (c), the methodology section under subsection (a) shall include, for each recommendation—

(1) a brief summary of the Board’s collection and analysis of the specific accident investigation information most relevant to the recommendation;

(2) a description of the Board’s use of external information, including studies, reports, and experts, other than the findings of a specific accident investigation, if any were used to inform or support the recommendation, including a brief summary of the specific safety benefits and other effects identified by each study, report, or expert; and

(3) a brief summary of any examples of actions taken by regulated entities before the publication of the safety recommendation, to the extent such actions are known to the Board, that were consistent with the recommendation.

(c) Acceptable Limitation.— If the Board knows of more than 3 examples taken by regulated entities before the publication of the safety recommendation that were consistent with the recommendation, the brief summary under subsection (b)(3) may be limited to only 3 of those examples.

(d) Exception.— Subsection (a) shall not apply if the recommendation is only for a person to disseminate information on—

(1) an existing agency best practices document; or

(2) an existing regulatory requirement.

(e) Rule of Construction.— Nothing in this section may be construed to require any change to a recommendation made by the Board before the date of enactment of the National Transportation Safety Board Reauthorization Act, unless the recommendation is a repeat recommendation issued on or after the date of enactment of such Act.

(f) Savings Clause.— Nothing in this section may be construed—

(1) to delay publication of the findings, cause, or probable cause of a Board investigation;

(2) to delay the issuance of an urgent recommendation that the Board has determined must be issued to avoid immediate loss, death, or injury; or

(3) to limit the number of examples the Board may consider before issuing a recommendation.

(Pub. L. 103–272, § 1(d), July 5, 1994, 108 Stat. 751; Pub. L. 104–66, title II, § 2151, Dec. 21, 1995, 109 Stat. 731; Pub. L. 109–443, § 2(a)(1), Dec. 21, 2006, 120 Stat. 3297; Pub. L. 115–254, div. C, § 1107(b)(1), Oct. 5, 2018, 132 Stat. 3432.)

Notes

Historical and Revision Notes RevisedSectionSource (U.S. Code)Source (Statutes at Large) 111749 App.:1904.Jan. 3, 1975, Pub. L. 93–633, § 305, 88 Stat. 2171. In this section, before clause (1), the words “but need not be limited to” are omitted as surplus. In clause (2), the words “in such detail as the Board deems advisable” are omitted as surplus. In clause (3), the words “departments, agencies, and instrumentalities of the United States Government and State and local governmental authorities” are substituted for “other government agencies” for clarity and consistency in the revised title and with other titles of the United States Code. The words “for those activities” are substituted for “in this field” for clarity. In clause (4), the word “evaluation” is substituted for “appraisal and evaluation and review” because it is inclusive.

Editorial Notes

References in TextThe date of enactment of the National Transportation Safety Board Reauthorization Act and the date of enactment of such Act, referred to in subsecs. (a) and (e), are the date of enactment of div. C of Pub. L. 115–254, which was approved Oct. 5, 2018.

Amendments2018—Pub. L. 115–254 amended section generally. Prior to amendment, section related to annual report. 2006—Pars. (4) to (6). Pub. L. 109–443 added pars. (4) to (6). 1995—Par. (4). Pub. L. 104–66 struck out par. (4) which read as follows: “an evaluation conducted every 2 years of transportation safety and recommendations for legislative and administrative action and change.”