NOAA S-57 chart cell
New Hampshire
US4NH1BE
- Usage band
- Approach · code 4
- Current edition
- 1.2
- Features
- 467
- S-57 layers
- 30
- Published
- Feb 6, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 43.20000° N
- South
- 42.90000° N
- West
- 70.50000° W
- East
- 70.20000° W
- Center
- 43.05000° N, 70.35000° W
- Bounds area
- 237 sq nm
- Feature density
- 1.9698 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 15.6
- Smallest layer
- 1
- Largest layer
- 175
- Area sq km
- 813
- Features per sq km
- 0.57429
- DEPCNT Depth contour 175
- DEPARE Depth area 173
- SBDARE Seabed area 58
- SEAARE Sea area 10
- SOUNDG Sounding 10
- LIGHTS Light 4
- M_QUAL Data quality 4
- MAGVAR Magnetic variation 4
- UWTROC Underwater rock 3
- WRECKS Wreck 3
- CONZNE 2
- EXEZNE 2
- FOGSIG 2
- ADMARE 1
- BOYLAT Lateral buoy 1
- BOYSPP Special purpose buoy 1
- BUISGL 1
- CBLARE 1
- COALNE Coastline 1
- CTNARE Caution 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/US4NH1BE.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4NH1BE/1.2/US4NH1BE.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4NH1BE/1.2/US4NH1BE.001
- S-57 update 002 https://charts.openships.ai/noaa/s57/approach/US4NH1BE/1.2/US4NH1BE.002
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4NH1BE/1.2/US4NH1BE.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4NH1BE/1.2/US4NH1BE.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4NH1BE/1.2/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.2 | Feb 6, 2025 | metadata.json |