Daily Obstacle File Changes

Metadata Updated: January 14, 2020

The Daily Digital Obstacle File describes all known obstacles of interest to aviation users in the United States, with limited coverage of the Pacific, the Caribbean, Canada, and Mexico. The obstacles are assigned unique numerical identifiers, accuracy codes, and are listed in order by state. This unzipped .dat file provides all DDOF changes.

Access & Use Information

Public: This dataset is intended for public access and use. License: See this page for license information.


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Metadata Created Date February 13, 2019
Metadata Updated Date January 14, 2020
Data Update Frequency R/P1D

Metadata Source

Harvested from DOT Socrata Data.json

Additional Metadata

Resource Type Dataset
Metadata Created Date February 13, 2019
Metadata Updated Date January 14, 2020
Publisher Federal Aviation Administration
Unique Identifier DOT-1875
Mojdeh Supola
Maintainer Email
Public Access Level public
Data Update Frequency R/P1D
Bureau Code 021:12
Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
Metadata Catalog ID https://data.transportation.gov/data.json
Schema Version https://project-open-data.cio.gov/v1.1/schema
Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
Categorydesignation Research
Collectioninstrument Transportation
Collection Metadata true
Data Dictionary http://tod.faa.gov/tod/DDOF_README_06-30-2014.doc
Data Dictionary Type application/msword
Harvest Object Id 1c2f627a-201e-4624-96e1-ffc02106312e
Harvest Source Id 03ed68f1-8dfd-4672-886c-116364d48ca7
Harvest Source Title DOT Socrata Data.json
Data First Published 2016-05-27
Homepage URL https://data.transportation.gov/d/ykw4-zmu5
Language en-US
License https://project-open-data.cio.gov/unknown-license/
Data Last Modified 2018-12-19
Phone 202-267-1026
Program Code 021:001
Source Datajson Identifier True
Source Hash 25661403e8f4264e1d4568d7fd53d71b093aedc3
Source Schema Version 1.1
Temporal 2017-05-31/2017-05-31
Category Transportation

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