The compass deviation changes as the vessel changes().
A、A.geographical position
B、B.speed
C、C.heading
D、D.longitude
A、A.geographical position
B、B.speed
C、C.heading
D、D.longitude
A、true meridian and the axis of the compass card B、true meridian and the magnetic meridian C、magnetic meridian and the axis of the compass card D、axis of the compass card and the degaussing meridian
A、A.true meridian and the axis of the compass card B、B.true meridian and the magnetic meridian C、C.magnetic meridian and the axis of the compass card D、D.axis of the compass card and the degaussing meridian
A、magnetism from the earth's magnetic field B、misalignment of the compass C、magnetism within the vessel D、a dirty compass housing
A、Worn gears in the compass housing B、Magnetism from the earth's magnetic field C、Magnetism within the vessel D、Lack of oil in the compass bearings
A、the deviation has been offset by the variation B、there is something wrong with the compass C、the compass is being influenced by nearby metals D、there is no deviation on that heading
A、the deviation has been offset by the variation B、there is something wrong with the compass C、the compass is being influenced by nearby metals D、there is no deviation on that heading
A、in the vessel's Official Logbook B、on the compass deviation card C、in the compass deviation log D、on a Napier diagram
A、In the vessel's Official Logbook B、On the compass deviation card C、In the compass deviation log D、On a Napier diagram
A、A.magnetism from the earth's magnetic field B、B.misalignment of the compass C、C.magnetism within the vessel D、D.a dirty compass housing
A、A.worn gears in the compass housing B、B.magnetism from the earth's magnetic field C、C.magnetism within the vessel D、D.lack of oil in the compass bearings