Aviation glossary

What is NOTAM?

Notice to Air Missions

A NOTAM is a notice that alerts pilots to temporary hazards or changes, such as airspace restrictions, runway closures or unserviceable equipment.

A NOTAM (Notice to Air Missions, historically Notice to Airmen) is a short, coded notice of anything temporary that a pilot needs to know before flying: restricted airspace, closed runways, obstacles, navigation aids out of service, or events such as air displays.

Checking relevant NOTAMs is a required part of pre-flight planning, alongside the weather.

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Related terms

METARA METAR is a routine observation of the actual weather currently reported at an aerodrome.TAFA TAF is a forecast of the expected weather at an aerodrome over a set period, usually 9, 24 or 30 hours.

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