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A coded notice of a temporary hazard or change.
Also known as: Notice to airmen, Notice to air missions
A NOTAM is a coded notice warning of anything temporarily changed at an aerodrome or in the airspace. Its format is compressed to the point of near-illegibility, which has been a documented safety criticism for decades and has produced repeated but incomplete reform efforts.
Notifies a temporary change or hazard affecting flight, in a coded international format.
Contexts: Navigation
Is written in a heavily abbreviated form that has been repeatedly criticised as hard to read, with reform efforts continuing.
Contexts: Navigation
A block of capital letters, numerals and slashes printed as continuous text without ordinary punctuation.