If a vehicle is switched, what must the operator do?

When a vehicle is switched, the operator must check in with the Airside Safety Officer (ASO). This is essential as the ASO is responsible for maintaining safety protocols and ensuring that all personnel are aware of vehicle operations on the airside. The operator's notification allows the ASO to update any records and verify that the new vehicle meets the requirements for airside operations.

Additionally, switching vehicles may involve different characteristics or operational capabilities that need to be considered for safety. Checking in ensures that the airside safety standards are upheld, and it allows the ASO to address any necessary safety checks or adjustments related to the new vehicle. By doing so, the operator helps maintain the overall safety and efficiency of airside operations at the airport.

Other actions like notifying the FAA or completing additional training, while important in other contexts, do not directly apply in this scenario where the main focus is on ensuring airside safety through communication with the ASO. Therefore, checking in with the ASO is the correct and most direct action required when a vehicle is switched.