The Airspace Use Plan (or AUP) is defined as "an Airspace Management (ASM) message of
NOTAM
A Notice to Airmen/Notice to Air Missions (NOTAM), is a notice filed with an aviation authority to alert aircraft pilots of potential hazards along a flight route or at a location that could affect the flight. NOTAMs are unclassified notices or ...
status notifying the daily decision of an Airspace Management Cell (AMC) on the temporary allocation of the
airspace
Airspace is the portion of the atmosphere controlled by a country above its territory, including its territorial waters or, more generally, any specific three-dimensional portion of the atmosphere. It is not the same as aerospace, which is the ...
within its jurisdiction for a specific time period, by means of a standard message format." AUPs are issued at least on a daily basis.
An AUP can be updated or superseded through an Updated Airspace Use Plan (UUP).
[Eurocontrol ATM Lexicon: UUP]
References
Sources
Eurocontrol ATM Lexicon:AUPEurocontrol ATM Lexicon:UUP
Air traffic control
Aircraft operations