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Old 11-15-2014, 03:36 PM   #3
GFC
Guru
 
City: Tri Cities, WA
Join Date: Nov 2012
Posts: 4,406
I only update chips when the islands on them move.

Just kidding. I think it's a good idea to update then about every 4-5 years. Islands don't move, but navaids do.
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