Could China’s new transport-tanker capability boost PLA power beyond first island chain?

China has confirmed that its Y-20B heavy transport aircraft can be converted into an aerial refueling tanker, potentially enhancing the capabilities of the PLA Air Force to reach deeper into the western Pacific. State broadcaster CCTV reported on August 5 about the Y-20B's ability to switch between transport and aerial refueling missions.

Aviation analyst Andreas Rupprecht confirmed this capability, noting that the Y-20B could use pallet-ready fuel tanks and removable refueling equipment. The confirmation aligns with open-source intelligence. Rupprecht highlighted that this development could significantly impact the PLA Air Force's tanker and fighter fleet, offering a "tremendous boost" in capacity and flexibility.

The Y-20B's WS-20 turbofan engines, known for their high thrust and fuel efficiency, could reduce the aircraft's fuel consumption, allowing for more fuel to be transferred or enabling longer-range operations. Prior to this, the PLA Air Force primarily relied on a small fleet of H-6-based tankers and three imported Il-78s. The Pentagon's 2024 China Military Power Report estimated that China operated 16 Y-20U tankers by March 2024, a number that has since grown to over 35 individual tankers.

The report also noted the expansion of PLA aviation missions beyond territorial defense towards offensive operations. This development could allow refueling to be practiced more frequently, supporting longer and more persistent operations. It could also extend the reach of bomber forces and enable fighter escorts to cover greater distances.