the New AML User Guide - United Kingdom Hydrographic Office

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AML Types AML is divided into the following product types: Vector Products: • RAL – Routes, Areas & Limits (see Fig1.0) • CLB – Contour Line Bathymetry (see Fig2.0) • LBO – Large Bottom Objects (see Fig 3.0) • ESB – Environment, Seabed & Beach (see Fig 4.0) • MFF – Maritime Foundation & Facilities (see Fig 5.0) • SBO – Small Bottom Objects (see Fig 6.0) Gridded Products: • IWC – Integrated Water Column • AMC – Atmospheric and Meteorological Climatology • GS-ESB – Gridded Sediment ESB AML is not a navigational product and any navigation decision must be made with reference to the ENC. However some types of AML can be displayed with an ENC on a navigation system but further guidance should be obtained from BR45. Routes, Areas and Limits - RAL Intended for Planning and in theatre Situational Awareness: Main features: • PEXAS / Exercise Grids • SM Transit Lanes • Fishery Limits • Patrol Areas • Stovepipes / Shipping Lanes • Territorial Water Limits • RAL can be displayed over ENCs • Maritime Protected Areas in support of MESAT (Maritime Environmental Sustainability and Assessment Tool) At present coverage for Territorial Waters limits within RAL cover the following regions*: • Eastern Mediterranean • Red Sea • Gulf of Aden • Persian Gulf • Caribbean * UKHO has a schedule of planned Territorial Waters AML; this priority can change if demand requires it. Fig 1.0 - Scale Band 0 Routes Areas and Limits Cell 6 UNCLASSIFIED 09/08/2012 DMGIC © British Crown Copyright 2012
Contour Line Bathymetry - CLB CLB is intended for ASW operations showing higher density bathymetric information. Main Features: • Depth Areas • Depth Contour and Survey Reliability data • Soundings CLB should not be overlayed with an ENC in a navigational scenario. Products used for situational awareness do not have the same updating cycle as navigational products and may also be constructed from other source material. If viewed together in a navigational scenario the resulting display could prove very misleading. Fig 2.0 - Scale band 4(1:1,000,000) Contour Line Bathymetry west of Scotland, useful for planning (Viewer – ECPINS, RN WECDIS) Large Bottom Objects - LBO LBO is an un-scaled product showing all objects on the sea bed greater than five metres in any direction. Main Features: • Wrecks (charted and uncharted) • Rocks • Obstructions • Seabed installations All objects are captured as point geometry. LBO includes information additional to that shown on standard navigational charts e.g. wrecks which are not significant to navigation. Each wreck depicted includes full attribution which cannot be shown on a standard chart making the data useful for submarine and anti-submarine operations and for mine warfare applications. 7 UNCLASSIFIED 09/08/2012 DMGIC © British Crown Copyright 2012
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