What is the gyrocompass error resulting from your vessel's movement in OTHER than an east-west direction?
• Gyrocompass errors that depend on ship’s speed and course • Difference between east-west motion and motion on other headings • How gyrocompass error names relate to their cause (e.g., speed, latitude, mechanical effects)
• Ask yourself: Which error is specifically tied to how the ship moves over the Earth’s surface (speed and direction), rather than internal mechanical behavior? • Think about why east‑west movement is special for a gyrocompass, and then what happens when your motion is NOT purely east‑west. • Match each answer choice to its typical cause: which ones come from ship motion, which from mechanical design, and which from correction systems?
• Be sure you know which error is directly related to vessel’s motion over the Earth (speed/course). • Verify which error types (from the choices) are caused by internal mechanical or control-system behavior, not by the vessel’s track. • Confirm which named error is associated with east‑west speed and how that definition changes when the course is anything other than east‑west.
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