One thing that has always irked me about maneuvering board/radar plotting tutorials on like youtube etc. is that after they convert the targets relative motion to true motion they say "and that's the targets true course".
That's only true if your course was 000. They never mention that it needs to be converted to take into account your own true course. Or when they DO try to show an example that doesn't have you on 000 (which is an extremely rare find on youtube), they never mention that the bearings plotted need to be bearings relative to your course (and not your nose) when plotted on the moboard for it to come out corrrectly.
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