Huayang Jiao (Cuarteron Reef) Helipad

Cuarteron Reef

Cuarteron Reef, also known as Calderon Reef, is a reef at the east end of the London Reefs in the Spratly Islands of the South China Sea. It is occupied and controlled by China (PRC), and also claimed by the Philippines, by Vietnam and Taiwan (ROC). The reef is 3 nautical miles long and has an area of 8 square kilometres (3.1 sq mi).