b'an important consideration. Also, as ENC charts are reschemed over FOGHORN FOCUSa specific regionoften at improved scalesthe underlying RNCs are given greater consideration in terms of being cancelled. A third factor influencing these decisions is based on current print-on-demand (POD) chart sales. Charts with lower sales are given a higher priority for cancellation than those where a strong demand for the raster product remains. These factors must be considered and balanced against each other.Anticipatingwhenandwherechartupdateswilloccurand balancingtheresourcesneededtomaketheseupdateswithinthe larger rescheming effort, make it difficult to identify which charts will be cancelled beyond the six month time notification that is currentlyin place.HOW WILL COAST GUARD REGULATIONS CONCERNING CARRIAGE REQUIREMENTS AFFECT THE PLANNED CANCELLATION OF TRADITIONAL PAPER CHARTS? WhileNOAAisresponsiblefordeterminingifachartproductis A crew member checks a ship\'s ECDIS display. suitable for navigation, it is the Coast Guards role to address what Photo credit: nauticalcharts.noaa.gov/charts/noaa-enc.html productsorsystemswillmeetcarriagerequirements.CoastGuard requirements changed in 2016, regarding specific classes of vessels and the charts they are required to carry, with the issuance of Navigational HOW DOES NOAA DECIDE WHICH CHARTS WILL BEand Vessel Inspection Circular (NVIC) No. 01-16. The portion of the CANCELLED NEXT?circularaddressingnauticalchartsannouncedthat"marinecharts," The decision regarding which charts will be cancelled next is contingent"charts," or "maps" as required by Titles 33 and 46 of the Code of upon a number of factors. Since raster charts no longer have non- Federal Regulations can be a displayed electronic navigational chart critical information applied to them, identifying those charts where(ENC) or inland electronic navigational chart (IENC) issued by or on alargeamountofthistypeofinformation(hydrographicsurveys,the authority of a government, authorized hydrographic office or other shoreline changes, etc.) has accumulated and is not reflected, is certainlyrelevant government institution. KEEPING BAY AREA FLEETS IN SERVICE FOR OVER 40 YEARSBay Ship and Yacht makes it a priority to per-form on-time, quality service for all vessels. We are a full service shipyard cosistently serving Al- 5 1 0 . 3 3 7 . 9 1 2 2 ameda, San Francisco Bay, the west coast andwww.bay-ship.com the worlds maritime industry for over 40 years. A l a m e d a , C AFOGHORN FOCUS: MARINE PROPULSION 10 FOGHORN'