A、Expanding circle
B、Sector search
C、Parallel track pattern
D、Datum-drift search
更多“A man was sighted as he fell overboard. After completing a Williamson turn，the man is not sighted. What type of search should be conducted?（）”相关的问题
A、as the basis for star charts B、to enter a star finder C、in sight reduction using Pub 249 D、in sight reductions of planet observations
A、the man has been missing for a period of time B、the sea water is very cold and the man is visible C、there is thick fog D、the wind was from astern on the original course
A、the man has been missing for a period of time B、the sea water is very cold and the man is visible C、there is thick fog D、the wind was from astern on the original course
A、A.One man report the fire, and the other two men fight the fire B、B.One man report the fire, one man fight the fire, and one man evacuate and secure the area C、C.One man report the fire, one man fight the fire, and one man act as a safety observer D、D.All three men fight the fire and report it immediately after it is extinguished
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