jimmar wrote on Jun 17^th, 2015 at 11:31am:

1. left it in the car  2. electronics fail

3. If he wears it clipped to his PFD or clothes for quick access, it fell off somewhere along the way.

This is exactly what I've always worried about in using a SPOT. I think that's an important conversation to have before you leave home: "hey, this thing is a little black hockey puck, I might lose it, or it might stop working."

I'm sure Magic is well and having a great trip, but I sympathize with his wife's concern. I know my wife would be feeling the same way.