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They were discontinued and the channel will no longer be maintained. As reported at WaterwayGuide.com on October 21:

On or about 05 November 2014, the Coast Guard will discontinue the following Aids to Navigation due to shoaling:

Wilmington Shortcut Daybeacon 1 (LLNR 39785)
Wilmington Shortcut Daybeacon 3 (LLNR 39790)
Wilmington Shortcut Daybeacon 4 (LLNR 39795)
Wilmington Shortcut Light 5 (LLNR 39800)
Wilmington Shortcut Daybeacon 7 (LLNR 39805)
Wilmington Shortcut Daybeacon 9 (LLNR 39810)
Wilmington Shortcut Light 10 (LLNR 39815)
Wilmington Shortcut Daybeacon 12 (LLNR 39820)