2 - OPS/IM - 2018 CLOSE INTERVAL SURVEYS

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National Transportation Safety BoardOfficial agency material

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Docket item 142 - OPS/IM - 2018 CLOSE INTERVAL SURVEYS PLD20LR001 docket item 14. 27 pages. 0 photograph references. Published media type: Text/Image. Metadata only; the linked docket file is not mirrored.#

This material provides agency context. It does not replace binding regulatory text, and its legal effect depends on the underlying authority and facts.