# Automatic Emergency Parking Brakes (as required by 30 CFR 75.523-3)

Mine Safety and Health Administration Automatic Emergency Parking Brakes (as required by 30 CFR 75.523-3) DVD590 (Was VC846) - 1992 This video discusses the applications of 30 CFR 75.523-3 to “all rubber-tire, self-propelled electric haulage equipment used in active workings of an underground coal mine – with the exception of personnel carriers.” Each of the specific subparagraphs of this mandatory standard is not only explained but also demonstrated to reinforce the concept.

- Kind: Educational
- Year: 1992
- By: Mine Safety and Health Administration
- Genres: Education
- Archive: [Internet Archive](https://archive.org/details/gov.msha.dvd590)
- Licence or status: [Public domain (Creative Commons dedication)](http://creativecommons.org/licenses/publicdomain/) (as the archive states it)
- Who can watch: Tweens profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

Not offered: its uploader or archive marks it public domain, and nothing the site holds bears that out (its record gives no year, or a year from 1978 on, which no US term has left), so where it is free is not known. Unclear is not offered.