411 REFERENCE · Wiktionary
MVFR
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Noun
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en aviation en marginal VFR flying conditions.
Usage notes
In an aviation product, refers to the general weather conditions pilots can expect at the surface. MVFR criteria represent a ceiling between 1,000 and 3,000 feet and/or 3 to 5 miles visibility.