AidsMonitoring/docs/references/Sources.md

Reference Sources — AidsMonitoring Nautical Symbology

INT-1 / Chart Symbol Publications

Resource	URL
Canadian Chart 1 (HTML, bilingual EN/FR)	https://www.charts.gc.ca/publications/chart1-carte1/sections/q-bouees-buoys-eng.html
US Chart No. 1 (NOAA, PDF)	https://nauticalcharts.noaa.gov/publications/docs/us-chart-1/ChartNo1.pdf
ADMIRALTY Chart 5011 — Symbols and Abbreviations (Quick Guide ENC)	https://www.admiralty.co.uk/content/dam/admiralty/pdfs/5011-quick-guide.pdf
IHO INT-1 online (Canadian Coast Guard mirror)	https://www.charts.gc.ca/publications/chart1-carte1/index-eng.html

S-52 Presentation Library

Resource	URL
IHO S-52 Presentation Library (official, IHO website)	https://iho.int/en/s-52-2
OpenCPN chartsymbols.xml (complete colour tables + symbol definitions)	https://github.com/OpenCPN/OpenCPN/blob/master/data/chartsymbols/chartsymbols.xml
OpenCPN S52 colour palettes (direct raw)	https://raw.githubusercontent.com/OpenCPN/OpenCPN/master/data/chartsymbols/chartsymbols.xml

IALA / AISM Publications

Resource	URL
IALA R1001 — IALA Maritime Buoyage System (5th ed. 2010)	https://www.iala-aism.org/product/maritime-buoyage-system-r1001/
IALA R0139 — Emergency Wreck Marking Buoys	https://www.iala-aism.org/product/emergency-wreck-marking-buoy-r0139/
IALA AtoN online catalogue	https://www.iala-aism.org/aton/

IHO S-57 Object Catalogue

Resource	URL
IHO S-57 Edition 3.1 — Object Catalogue (official)	https://iho.int/uploads/user/pubs/standards/s-57/31Main.pdf
S-57 object/attribute tables (GDAL OGR reference)	https://gdal.org/drivers/vector/s57.html
IHO S-57 object catalogue (HTML browse, Caris)	https://www.caris.com/s-57/frames/S57objectclasses.htm

NOAA ENC Data

Resource	URL
NOAA ENC download service (chart cells as ZIP)	https://charts.noaa.gov/ENCs/{CELL_ID}.zip
NOAA Office of Coast Survey — ENC catalog	https://nauticalcharts.noaa.gov/charts/noaa-enc.html
NOAA ENC viewer online	https://www.nauticalcharts.noaa.gov/enconline/enconline.html

IHO S-52 / ECDIS Standards

Resource	URL
IHO S-52 (Specifications for Chart Content and Display Aspects of ECDIS)	https://iho.int/en/s-52
IHO S-64 (Test Data Sets for ECDIS)	https://iho.int/en/s-64
IMO Resolution A.817(19) — ECDIS Performance Standards	https://www.imo.org/en/KnowledgeCentre/IndexofIMOResolutions/Assembly/Documents/A.817(19).pdf

AidsMonitoring Codebase References

File	Purpose
C:\AidsMonitoring\backend\routers\charts.py	REST API — chart management endpoints
C:\AidsMonitoring\backend\services\chart_manager.py	S-57 parser, cache builder, IALA classifier
C:\AidsMonitoring\charts\	Installed ENC cells (one subdirectory per cell ID)