NOAA Nautical Chart: Atlantic Coast #12256

Chart Name: Chesapeake Bay Thimble Shoal Channel Scale: 1:20000 Size: 36" x 48" Edition #: 17 Edition Date: 10/01/11 LNM Notice/Date: 512 01/31/12 NTM Notice/Date: 612 02/11/12 LNM: http://ocsdata.ncd.noaa.gov/nm/resultList.asp?Chart=12256 Last Update: 01/26/12 Description: Thimble Shoal Channel, the improved approach to Hampton Roads, begins 2.3 miles northwest of Cape Henry Light and extends 9.5 miles west-northwestward; a Federal project provides for a 55-foot-deep channel with a 32-foot-deep auxiliary channel on each side of the main channel.

NTM = NGA Notice to Mariners LNM = Local Notice to Mariners

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