NOAA S-57 chart cell
Hudson River, Poughkeepsie to Barrytown
US4NY1EQ
- Usage band
- Approach · code 4
- Current edition
- 8.1
- Features
- 1,116
- S-57 layers
- 55
- Published
- Mar 26, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 42.00000° N
- South
- 41.70000° N
- West
- 74.10000° W
- East
- 73.80000° W
- Center
- 41.85000° N, 73.95000° W
- Bounds area
- 242 sq nm
- Feature density
- 4.6178 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 20.3
- Smallest layer
- 1
- Largest layer
- 150
- Area sq km
- 829
- Features per sq km
- 1.34635
- SLCONS Shoreline construction 150
- DEPARE Depth area 110
- DEPCNT Depth contour 101
- COALNE Coastline 89
- OBSTRN Obstruction 56
- WRECKS Wreck 52
- LNDRGN Land region 49
- M_QUAL Data quality 48
- RIVERS River 45
- BOYLAT Lateral buoy 29
- LIGHTS Light 29
- LNDARE Land area 29
- SBDARE Seabed area 29
- UWTROC Underwater rock 25
- LAKARE 22
- LNDMRK 20
- PONTON 20
- BUAARE 19
- BRIDGE 18
- DRGARE 18
Nearby Chart Cells
Approach 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/US4NY1EQ.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4NY1EQ/8.1/US4NY1EQ.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4NY1EQ/8.1/US4NY1EQ.001
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4NY1EQ/8.1/US4NY1EQ.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4NY1EQ/8.1/US4NY1EQ.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4NY1EQ/8.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 8.1 | Mar 26, 2026 | metadata.json |