Pilot One Academy
What is a NOTAM? A practical guide for student pilots
A NOTAM is a notice conveying timely aeronautical information relevant to operations, such as temporary changes to facilities, restrictions or hazards. Review it alongside charts, the AIP and the rest of the briefing; weather alone is not enough.
Quick answer: how to read a NOTAM
Identify what happens, where, when and at what height. Then check whether it affects departure, route, destination or alternates, and discuss the impact with your instructor. The FAA describes the purpose of the NOTAM system; for operations use the official services and publications applicable to your area.
What to check
- Location and extent: the affected aerodrome, airspace or area. A plotted radius does not replace reading the full text.
- Validity: start, end and any specific activity schedule. Check the time reference and days; an estimated end date does not confirm the notice will end then.
- Vertical limits: check figures, units and references such as surface, height or flight level. Do not compare numbers with different references without interpreting them.
- Content and condition: a closed runway, obstacle, temporary activity or unavailable facility each has a different effect.
- Updates: check new, replaced and cancelled notices and update the briefing before departure.
A practical example
Imagine a notice for temporary activity near your route during a stated time and vertical band. It is not enough that the centre is far from the aerodrome: examine its extent, active hours and planned altitude, including margins and possible diversions. If its extent or meaning is unclear, consult the aeronautical information service and your instructor before flight.
Frequently asked questions
Does every NOTAM prohibit flight? No. Notices cover many conditions and changes. Their text and applicable publications determine their effect.
Does no notice guarantee everything is available? No. Also review the AIP, supplements, charts and other current information for the route.
Can an app replace an official briefing? A tool can help visualise information, but check its source, coverage and currency; use the appropriate official service and follow your school's instructions.
Complete your preparation with how to read a TAF and how to read a METAR.
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