What is the definition of a "diversion" in aviation terms?

A "diversion" in aviation refers specifically to an unscheduled landing at an airport other than the aircraft's intended destination. This situation can arise due to a variety of factors, including severe weather conditions, technical issues with the aircraft, medical emergencies involving passengers or crew, or airspace restrictions. Diversions are critical safety measures taken to ensure the well-being of everyone on board and to adapt to unforeseen circumstances.

In contrast, other options do not accurately capture the essence of a diversion. Scheduled flight changes initiated by the airline typically involve pre-planned alterations to a route for operational efficiency but do not entail unscheduled stops. A planned stopover represents a deliberate and coordinated segment of a travel itinerary rather than an unexpected change in destination. Lastly, a waiting period before landing does not align with the concept of a diversion, which is defined by unanticipated adjustments to the flight path. This understanding is essential for flight attendants and other aviation professionals as it relates to passenger safety and operational protocols.