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Other : add ISBNs and remove excessive or inappropriate external links from Aral Sea; check La Belle (ship) for GA status; improve citations or footnotes and remove excessive or inappropriate external links from MS Estonia
I suggest the Merge and Deletion of this article with the one entitled "Electronic Navigational Chart". This is because a RNC is a specific type of ENC. I have suggested a re-write of the ENC article to accommodate this on the ENC talk page.