Final answer:
The question addresses the minimum landing fuel requirements in aviation and the appropriate communications if an aircraft may land with this amount of fuel or less, including declaring 'Minimum Fuel' and possibly requesting priority handling or initiating emergency procedures.
Step-by-step explanation:
The question appears to be related to aviation regulations, specifically regarding the procedures and communications for situations when an aircraft is approaching a fuel minimum. 'Minimum landing fuel' is an aviation term that refers to the amount of fuel required for an aircraft to land safely. This value is calculated based on several factors, including distance to the alternate airport, expected delays, and fuel required for approach and landing.
If pilots ascertain that they will land with or below their minimum landing fuel, they are required to declare 'Minimum Fuel' to air traffic control. This declaration is not an emergency situation but indicates that an undue delay might result in an emergency.
Pilots may also need to request priority handling or execute emergency procedures if the fuel situation worsens. The 'Waiver Authority' refers to the entity or person who can authorize a deviation from the standard regulations, typically in unique operational circumstances.