Which priority comes first in the pattern at KCBM?

In air traffic control, prioritization is essential for maintaining safety and efficient operations. Emergency situations take precedence over all other types of traffic and operational scenarios. When an aircraft declares an emergency, it indicates that the pilots require immediate assistance, whether due to technical malfunctions, medical situations onboard, or other critical circumstances that threaten the safety of the flight.

Prioritizing emergencies ensures that these aircraft receive the attention and resources they need promptly, allowing them to resolve their situations safely. In this context, it is crucial for air traffic controllers to clear the way for an aircraft in distress, ensuring that they can land safely or receive necessary support quickly.

The other priorities, like single-ship VFR entries, formation flights, and minimum fuel situations, are important but do not override the urgency associated with an emergency declaration. Each of these is managed according to proximity and situation, but none can replace the necessity of addressing an emergency first and foremost. Thus, emergency situations are recognized as the highest priority within air traffic management, making it the correct answer in this question.