What the hell is a .kap file?

[LilJimmyRbinson]

So I want to get a nice nautical chart to hang on my wall, and I find the noaa.gov site where you can download and preview charts, but it downloads as a .zip file of four .kap files. I can't find anything to get it to open. Anything?

[blazin]

http://www.zoomatron.com/ChartHowTo.aspx

http://www.csc.noaa.gov/crs/chartreproj.html