What does the term 'minimum fuel' imply to ATC?

The term 'minimum fuel' communicates to Air Traffic Control (ATC) that the aircraft is nearing a fuel threshold that, if not addressed, could lead to an emergency situation. This advisory informs ATC that while the aircraft is not in an emergency state presently, it may develop into one if there are any unforeseen delays in landing or en route. Therefore, ATC is made aware of the potential need for timely handling to ensure the aircraft can land safely without running into critical fuel issues.

Understanding this term allows ATC to prioritize the handling of the aircraft and make necessary arrangements, such as expediting its approach or landing, thereby avoiding any possible emergency situations due to fuel exhaustion. This proactive communication is crucial for maintaining safety and efficiency in air traffic management.