International Civil Aviation Organization, 2005: Manual of Runway Visual Range Observing and Reporting Practices. Accessed 20 May 2021. http://www.icscc.org.cn/upload/file/20190102/Doc.9328-EN%20Manual%20of%20Runway%20Visual%20Range%20Observing%20and%20Reporting%20Practices.pdf.
Term edited 20 May 2021.
Copyright 2022 American Meteorological Society (AMS). For permission to reuse any portion of this work, please contact email@example.com. Any use of material in this work that is determined to be “fair use” under Section 107 of the U.S. Copyright Act (17 U.S. Code § 107) or that satisfies the conditions specified in Section 108 of the U.S.Copyright Act (17 USC § 108) does not require AMS’s permission. Republication, systematic reproduction, posting in electronic form, such as on a website or in a searchable database, or other uses of this material, except as exempted by the above statement, require written permission or a license from AMS. Additional details are provided in the AMS Copyright Policy statement.