Canada BWR Practice Questions - Bridge Watch Rating (BWR) Certificate Written Exam (Transport Canada Marine) Exam

What high-latitude compass limitation does TP 10936 expect Bridge Watch Ratings to understand for Arctic navigation?

Magnetic and gyro compasses become more accurate near the magnetic poles Gyro compasses fail only in tropical waters and are unaffected near the poles Magnetic compasses read true north with no variation or deviation above 60°N Magnetic compass reliability falls near the poles and gyro compasses can suffer large high-latitude errors

Correct Answer:

Magnetic compass reliability falls near the poles and gyro compasses can suffer large high-latitude errors

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