Perhaps Abby reads this thread...

She's been found on yet another boat with a faulty autopilot. And no compass.

Blog here.

"It would definitely be easier having the other boat to follow in as part of our steering problem was that there was no compass on the boat. We were going off a computer hooked up to a GPS that had about a 40 second delay."
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Verum audaces non gerunt indusia alba. - Ipsi dixit MCMLXXII