Which information must automatic identification systems (AIS) automatically provide to appropriately equipped shore stations, vessels and aircraft?
A.Vessel's type
B.Vessel's course
C.Navigational status
D.All of the above
正确答案是D
Which information must automatic identification systems (AIS) automatically provide to appropriately equipped shore stations, vessels and aircraft?
A.Vessel's type
B.Vessel's course
C.Navigational status
D.All of the above
正确答案是D