RADM Richard West, USN (ret.)RADM Richard West, USN (ret.)Capitol Hill Oceans WeekCapitol Hill Oceans Week

June 5, 2007June 5, 2007

• Nautical, topographic, and aero charts are available in both in paper and electronic formats

• Integration of this and other digital data is the focus of ongoing efforts

Capitol Hill Ocean Week -- Hydrography

Capitol Hill Ocean Week -- Hydrography

Provides

EnvironmentalUnderstanding

Ensures

Educated Decision-Making

Assures

Safety & Readiness

Enables

DominantSea Power

Goal: Full Maritime Domain Awareness

Capitol Hill Ocean Week -- Hydrography

Single standard geospatial reference for absolute position

Single standard precise time reference

for synchronicity

GPSGPS

UTCCoordinated Universal Time

UTCCoordinated Universal Time

XXYYZZTT

Foundation: Common Standards

Capitol Hill Ocean Week -- Hydrography

GPS PositionNo datum shift applied

Actual PositionDatum shift applied

* Common reference is critical

Pitfall: Loss of SA and Navigation Safety

Capitol Hill Ocean Week -- Hydrography

• Digital Nautical Charts DNCs Support Global DoD Maritime Navigation Requirements

• When used in conjunction with ECDIS-N• Reduced Maintenance timeReduced Maintenance time• Exchange of Voyage PlansExchange of Voyage Plans• Alarms to alert mariner to Alarms to alert mariner to

possible hazardspossible hazards• Automatic input of Automatic input of

navigation sensorsnavigation sensors• Automatic recording of dataAutomatic recording of data• Integration with other Integration with other

systems to provide common systems to provide common geo-referencedgeo-referenced real-time real-time display of relevant display of relevant informationinformation

Advantages: Leveraging Technology

Capitol Hill Ocean Week -- HydrographyBuilding the Digital Maritime Domain:Hydrographic Surveys

• Charts No Better Than Data on Which They’re Based

• New Hydrographic Surveys = More Accurate Data• Multibeam/Side Scan Sonar for

Depths, Wrecks, Obstructions, Updated Navigation Information

NAVIGATION SAFETY

ENVIRONMENTAL PROTECTION

ECONOMIC WELLBEING

Questions?