NOAA S-57 chart cell
Hudson River, Barrytown to Hudson
US4NY1FQ
- Usage band
- Approach · code 4
- Current edition
- 7.1
- Features
- 1,433
- S-57 layers
- 49
- Published
- May 21, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 42.30000° N
- South
- 42.00000° N
- West
- 74.10000° W
- East
- 73.80000° W
- Center
- 42.15000° N, 73.95000° W
- Bounds area
- 241 sq nm
- Feature density
- 5.9576 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 29.2
- Smallest layer
- 1
- Largest layer
- 252
- Area sq km
- 825
- Features per sq km
- 1.73694
- DEPCNT Depth contour 252
- DEPARE Depth area 208
- RIVERS River 152
- COALNE Coastline 116
- SLCONS Shoreline construction 115
- LNDRGN Land region 60
- LIGHTS Light 56
- BOYLAT Lateral buoy 54
- LNDARE Land area 49
- M_QUAL Data quality 38
- OBSTRN Obstruction 38
- WRECKS Wreck 36
- PILPNT 21
- BUAARE 18
- BRIDGE 17
- SEAARE Sea area 15
- SOUNDG Sounding 15
- DAYMAR 13
- UWTROC Underwater rock 13
- SBDARE Seabed area 12
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/US4NY1FQ.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4NY1FQ/7.1/US4NY1FQ.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4NY1FQ/7.1/US4NY1FQ.001
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4NY1FQ/7.1/US4NY1FQ.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4NY1FQ/7.1/US4NY1FQ.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4NY1FQ/7.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 7.1 | May 21, 2026 | metadata.json |