YELLOW SEA SEA TRIAL OF “ZHI FEI” FROM 220100UTC TO 220900UTC JAN IN AREA BOUNDED BY THE LINES JOINING: A.36-20.98N/120-42.97E； B.36-32.45N/120-59.31E； C.36-22.72N/121-12.91E； D.36-11.40N/120-55.40E。 CAUTION ADVISED.
