What does the acronym "NOTAM" stand for?

The acronym "NOTAM" stands for "Notice to Airmen." This term is used in aviation to convey essential information to pilots and flight crews regarding changes or important updates that may affect flight operations. Such notices can include information about runway conditions, airspace restrictions, navigational aids, and other safety-related data that pilots need to know before and during their flights.

This terminology is critical in maintaining safety and efficiency in air traffic management, as airmen rely on accurate and timely information to make informed decisions. The other options do not accurately represent the standard definition or usage of the acronym within the aviation industry.