What is the primary method of refueling for the aircraft?

The primary method of refueling for the T-6B aircraft is single point pressure refueling. This method is efficient and reduces the time required to refuel the aircraft compared to other methods. Single point pressure refueling utilizes a single fuel connection point on the aircraft, allowing for the rapid transfer of fuel under pressure. This is particularly advantageous in maintaining operational readiness and minimizing downtime during missions or training protocols.

The other methods are valid refueling techniques but are not the primary method for the T-6B. Combat refueling and in-flight refueling typically apply to larger aircraft that need to receive fuel while airborne, supporting extended flight missions. Over the wing gravity refueling, while it is a common method for many small aircraft, is not the main procedure for the T-6B, as it is generally slower and less efficient than single point pressure refueling. Therefore, understanding the advantages and application of single point pressure refueling is essential for optimal operational practices with the T-6B aircraft.