10. “Course made good” means the course which a vessel makes good over ground.
Apart from currents and wind, which factor below should be taken into account?
(A) Magnetic compass errors
(B) Gyro compass errors
(C) Variations
(D) Tidal streams
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統計: A(45), B(58), C(67), D(315), E(0) #1444663
統計: A(45), B(58), C(67), D(315), E(0) #1444663