NOAA S-57 chart cell
GRAND ISLE TO FOUR BROTHERS ISLANDS
US4NY1NS
- Usage band
- Approach · code 4
- Current edition
- 5.1
- Features
- 1,641
- S-57 layers
- 51
- Published
- Apr 22, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 44.70000° N
- South
- 44.40000° N
- West
- 73.50000° W
- East
- 73.20000° W
- Center
- 44.55000° N, 73.35000° W
- Bounds area
- 231 sq nm
- Feature density
- 7.0975 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 32.2
- Smallest layer
- 1
- Largest layer
- 220
- Area sq km
- 793
- Features per sq km
- 2.06931
- SLCONS Shoreline construction 220
- DEPCNT Depth contour 210
- DEPARE Depth area 186
- COALNE Coastline 182
- BUISGL 87
- LNDRGN Land region 75
- SLOTOP 60
- LNDARE Land area 58
- LIGHTS Light 45
- SBDARE Seabed area 44
- SEAARE Sea area 40
- PONTON 38
- UWTROC Underwater rock 35
- SILTNK 32
- BOYLAT Lateral buoy 28
- LNDMRK 27
- OBSTRN Obstruction 25
- BUAARE 24
- BOYSPP Special purpose buoy 23
- PIPSOL 20
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/US4NY1NS.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4NY1NS/5.1/US4NY1NS.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4NY1NS/5.1/US4NY1NS.001
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4NY1NS/5.1/US4NY1NS.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4NY1NS/5.1/US4NY1NS.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4NY1NS/5.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 5.1 | Apr 22, 2026 | metadata.json |