NOTAMs Back to Basics: pilots - Federal Aviation …
https://www.faa.gov/sites/faa.gov/files/about/initiatives/notam/what_is_a_notam/Pilots_NOTAM_primer_for_2021.pdf
WEBA NOTAM is a notice containing information that is essential to personnel concerned with flight operations but that is not known far enough in advance to be publicized by other means. NOTAMs concern the establishment, condition, or change of any component (facility, service, procedure, or hazard) in the NAS.
DA: 76 PA: 35 MOZ Rank: 54