Definition
A notice issued by the FAA's Air Traffic Control System Command Center to alert pilots, dispatchers, and controllers that a traffic management program — such as a ground stop, ground delay program, or airspace flow program — is in effect or has been modified at one or more airports or sectors. The TMPA conveys details such as affected facilities, time windows, and any expected delays or routing impacts.
Plain English
A heads-up message from the FAA that says: 'There's a delay or flow control program running at this airport (or in this airspace), and here are the details you need to plan around it.'
Context Anchor
You may see TMPA in FAA traffic management advisories, flight planning information, or messages from a dispatcher or flight service when weather, congestion, runway limits, or other conditions are affecting traffic flow.
Why Pilots Care
It warns of possible delays, gate holds, or reroutes so pilots can plan fuel, departure time, and expectations accordingly.
Intuition Check
Do not read “program” here as computer software. In this term, it means an FAA plan or action for managing traffic flow. Also, “alert” does not mean an emergency by itself; it means an official notice to pay attention to a traffic-flow situation.
Example Sentence 1
Before pushback, the dispatcher checked for any TMPA affecting the destination and saw a ground delay program was in effect.
Example Sentence 2
Before engine start the dispatcher checked the TMPA and confirmed no traffic management restrictions were in effect.