NOAA S-57 chart cell
North Atlantic Ocean
US4NC1FM
- Usage band
- Approach · code 4
- Current edition
- 1.1
- Features
- 76
- S-57 layers
- 21
- Published
- Jun 9, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 35.40000° N
- South
- 35.10000° N
- West
- 75.30000° W
- East
- 75.00000° W
- Center
- 35.25000° N, 75.15000° W
- Bounds area
- 265 sq nm
- Feature density
- 0.2868 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 3.6
- Smallest layer
- 1
- Largest layer
- 18
- Area sq km
- 909
- Features per sq km
- 0.08363
- DEPCNT Depth contour 18
- SBDARE Seabed area 15
- DEPARE Depth area 13
- SOUNDG Sounding 6
- M_QUAL Data quality 5
- WRECKS Wreck 3
- LIGHTS Light 2
- BOYLAT Lateral buoy 1
- BOYSPP Special purpose buoy 1
- CONZNE 1
- COSARE 1
- EXEZNE 1
- LNDARE Land area 1
- LNDMRK 1
- LOCMAG 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- MAGVAR Magnetic variation 1
- SEAARE Sea area 1
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/US4NC1FM.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4NC1FM/1.1/US4NC1FM.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4NC1FM/1.1/US4NC1FM.001
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4NC1FM/1.1/US4NC1FM.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4NC1FM/1.1/US4NC1FM.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4NC1FM/1.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.1 | Jun 9, 2026 | metadata.json |