A、Three
B、Two
C、One
D、None
更多“In plotting a running fix，how many fixed objects are needed to take your lines of position from? （）”相关的问题
A、ignores the effect of surface currents B、is most useful when in sight of land C、must be plotted using magnetic courses D、may be started at an assumed position
A、Easily plotted on a Mercator chart B、Negligible increase in distance on east-west courses near the equator C、Does not require constant course changes D、Plots as a straight line on Lambert conformal charts
A、A.From every fix or running fix B、B.From every estimated position C、C.Every three minutes in pilotage waters D、D.Only in pilotage waters
A、plot a course for the nearest land B、take a vote on which direction you should go C、stay in the immediate area D、go in one direction until fuel runs out
A、closest point to approach B、close point to approach C、crossing point to approch D、coming point to approach
A、go in one direction until the fuel runs out B、plot a course for the nearest land C、take a vote on which direction you should go D、shut down the engine(s) and set the sea anchor
A、when you obtain an estimated position B、only in piloting waters C、at every speed change D、All of the above are correct
A、she can be observed by radar B、she can be observed visually from the other vessel C、she can be plotted on radar well enough to determine her heading D、her fog signal can be heard
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