I've upgraded the electronics on the boat (the old CX-54 finally died). First things first, the C-Cards.
NAM-007 MAX Wide, East Coast and Bahamas, dated 05/15/2015
NAM-027 MAX Wide, Central America and the Caribbean, dated 02/08/2016
NA-M007, Block Island to Winyah Bay, dated 03/01/2005
Let me know if anyone is interested as I'd like to give the folks on this forum first shot.