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post #12 of Old 05-03-2012
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Re: Reasons for knowing TVMDCAW

If we are on a long passage, we record our position every 30 to 60 minutes, confirm it visually if possible and also record compass heading and speed. This way, if we lose the electronics, we are able to estimate our position. I will also check that depth on the sounder is reasonable for where the gps says we are. If we are close enough to pass a nav aid or very notable land feature, we use removable post it notes to mark it and the time on a chart. Pretty simple back up.

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Jeanneau 54DS

In the harsh marine environment, something is always in need of repair. Margaritas fix everything.
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