Which type of cargo has the highest loading priority?

The type of cargo that holds the highest loading priority is AOG (Aircraft on Ground). This designation refers to situations where an aircraft cannot operate due to mechanical issues or the need for specific parts. When an aircraft is grounded, it can lead to significant financial losses for the airline, not to mention disruptions to passenger service and scheduling. Therefore, expediency in getting AOG cargo loaded and dispatched is critical to restore the aircraft to service as quickly as possible.

In contrast, while medical supplies and VIP cargo are also important, their urgency does not typically match the critical nature of AOG situations. Heavy freight, although important for various operational reasons, usually has more flexibility in terms of loading times compared to AOG cargo. Thus, when prioritizing cargo loading, AOG takes precedence to minimize downtime and operational impact.