Aspapernavigationalchartsarereplacedbyvectorimagesoncomputerscreens,magneticcompassesenhancedbydigitalfluxgatetechnology,andchronometersjoinedbyatomicclocks,thedemandhasbeenmountingforanextensiveupdatetotheclassicreferenceknownworldwideasDutton’s.Tomeetthevariedneedsoftoday’srecreational,naval,andcommercialnavigatorstheNavalInstituteintroducesthisneweditionofaguidethathasremainedtheseafarers’choiceformorethanthree-quartersofacentury.ItblendsthetraditionalnavigationtechniquesfirstcompiledbyBenjaminDuttonin1926withtechnologicalmarvelsofthetwenty-firstcenturytoauthoritativelycoverallphasesofsurfacenavigation.Forexample,whilethebookacknowledgesthatmanynavigatorsstillpeerintotheskiesthroughsextanttelescopes,italsohelpsthemtakefulladvantageofman-madeGlobalPositioningSystem(GPS)satellites.Valuedasbothanindispensablequickreferenceandacomprehensivetext,Dutton’smakesaccessiblesuchforebodingsubjectsassphericaltrigonometrythroughtheuseofstep-by-stepexplanationsandexamplesthatencouragepracticaluse.Toinsureaccuracyandrelevancy,aboardofexpertsmadeupofnavalandCoastGuardofficers,merchantmariners,accreditedharborpilots,andsea-serviceacademyprofessors,hascarefullyreviewedthisfifteenthedition.Theresultisanunparalleledtreatmentoftheartandscienceofnauticalnavigationthatbothamateurandveterannavigatorswillusetosafelynavigatethewatersoftheworld.
