COMDTINST 16502.10 governs procedures for requesting new nautical charts, revised chart coverage, and improved navigational publications.
View COMDTINST 16502.10 on armypubs.army.mil
It describes the nautical charts and related publications produced by NOS and DMAHTC, including coverage for U.S. and foreign waters. It requires requests to move through the chain of command and permits supporting charts, catalogs, drawings, and operational statistics.
National Ocean Service (NOS) and Defense Mapping Agency Hydrographic/Topographic Center (DMAHTC) provide nautical charts and related publications to all Coast Guard units. (paragraph 2)
NOS produces nautical charts, U.S. Coast Pilots, and Tide and Tidal Current Tables for the waters of the United States and its territories. (paragraph 2)
Area and district commanders, unit commanding officers, and the Commander, CG Activities Europe shall forward requests, through the chain of command to Commandant (G-NSR-3), when identifying a requirement for better coverage from an existing product or development of a new product. (paragraph 3)
The use of charts, drawings, or chart catalogs when presenting a request is encouraged. (paragraph 3)
While both NOS and DMAHTC strive to meet the users needs, not all requests can be fulfilled. (paragraph 3)