NOAA S-57 chart cell
Long Island Sound and Mamaroneck Harbor
US5HEPCB
- Usage band
- Harbor · code 5
- Current edition
- 6.1
- Features
- 1,061
- S-57 layers
- 40
- Published
- Mar 30, 2026
- Manifest updated
- Jun 22, 2026, 3:13 PM UTC
Coverage
- North
- 40.95000° N
- South
- 40.87500° N
- West
- 73.72500° W
- East
- 73.65000° W
- Center
- 40.91250° N, 73.68750° W
- Bounds area
- 15 sq nm
- Feature density
- 69.2386 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 26.5
- Smallest layer
- 1
- Largest layer
- 138
- Area sq km
- 53
- Features per sq km
- 20.18674
- DEPARE Depth area 138
- SBDARE Seabed area 124
- SLCONS Shoreline construction 124
- DEPCNT Depth contour 123
- UWTROC Underwater rock 122
- M_QUAL Data quality 83
- COALNE Coastline 73
- PONTON 46
- LNDARE Land area 36
- OBSTRN Obstruction 36
- BOYLAT Lateral buoy 25
- WRECKS Wreck 19
- LNDRGN Land region 18
- SOUNDG Sounding 15
- LIGHTS Light 11
- RESARE 9
- SEAARE Sea area 8
- DRGARE 7
- BOYSPP Special purpose buoy 4
- BUISGL 4
Nearby Chart Cells
Harbor 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/US5HEPCB.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/harbor/US5HEPCB/6.1/US5HEPCB.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/harbor/US5HEPCB/6.1/US5HEPCB.001
- GeoJSON https://charts.openships.ai/noaa/s57/harbor/US5HEPCB/6.1/US5HEPCB.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/harbor/US5HEPCB/6.1/US5HEPCB.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/harbor/US5HEPCB/6.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 6.1 | Mar 30, 2026 | metadata.json |