Daily Obstacle File Changes

Metadata Updated: February 23, 2019

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.


This dataset is a collection of other datasets.

Search datasets within this collection

Downloads & Resources


Metadata Created Date February 13, 2019
Metadata Updated Date February 23, 2019
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 February 23, 2019
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 4d3bb2c6-3b75-47a9-b955-e0feaf8b6351
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 d529f7888db5c4a720a89cb4fe22e0a57081b9b5
Source Schema Version 1.1
Temporal 2017-05-31/2017-05-31
Category Transportation

Didn't find what you're looking for? Suggest a dataset here.