Digital Obstacle File
id:
digital-obstacle-file-236-2313951
title:
Digital Obstacle File
text:
The Digital Obstacle File (DOF) describes all known obstacles of interest to aviation users in the United States, with limited coverage of the Pacific Ocean, the Caribbean, Canada and Mexico. The obstacles are assigned unique numerical identifiers and accuracy codes. These downloadable products are available at least 21 days prior to their effective date. Data updates are coordinated over 56-day cycles. There are six to seven of these updates per year. Editions will be listed by year and 56-day
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Digital_Obstacle_File
date created:
date modified:
2022-01-01T10:06:24Z
main entity:
{"identifier":"Q5276124","url":"https://www.wikidata.org/entity/Q5276124"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/en/7/75/Digital_obstacle_file_for_Alabama.jpg","width":390,"height":481}
fields total:
13
integrity:
14