NOAA S-57 chart cell
Trinidad Head to Cape Blanco
US3OR03M
- Usage band
- Coastal · code 3
- Current edition
- 28.0
- Features
- 1,557
- S-57 layers
- 42
- Published
- Apr 9, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 42.74752° N
- South
- 40.98725° N
- West
- 125.39464° W
- East
- 123.43184° W
- Center
- 41.86739° N, 124.41324° W
- Bounds area
- 9,275 sq nm
- Feature density
- 0.1679 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 37.1
- Smallest layer
- 1
- Largest layer
- 497
- Area sq km
- 31,812
- Features per sq km
- 0.04894
- LNDARE Land area 497
- COALNE Coastline 246
- UWTROC Underwater rock 160
- SBDARE Seabed area 155
- DEPCNT Depth contour 103
- DEPARE Depth area 73
- SLOGRD 51
- M_QUAL Data quality 50
- OBSTRN Obstruction 47
- RIVERS River 34
- LNDELV 28
- SOUNDG Sounding 18
- LNDRGN Land region 13
- SLCONS Shoreline construction 13
- SEAARE Sea area 9
- LIGHTS Light 8
- BUAARE 6
- BRIDGE 5
- LNDMRK 4
- ADMARE 3
Nearby Chart Cells
Coastal usage band
Current Edition Files
The NOAA ZIP archive is the upstream source for this chart cell; the other files are Open Ships generated derivatives for web and GIS use.
- Original NOAA ZIP archive https://www.charts.noaa.gov/ENCs/US3OR03M.zip
- S-57 cell https://charts.openships.ai/noaa/s57/coastal/US3OR03M/28.0/US3OR03M.000
- GeoJSON https://charts.openships.ai/noaa/s57/coastal/US3OR03M/28.0/US3OR03M.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/coastal/US3OR03M/28.0/US3OR03M.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/coastal/US3OR03M/28.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 28.0 | Apr 9, 2026 | metadata.json |