NOAA S-57 chart cell
Chesapeake Bay and Patuxent River - Island Creek to Spice Creek
US4MD1CC
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 2,297
- S-57 layers
- 44
- Published
- Jun 10, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 38.70000° N
- South
- 38.40000° N
- West
- 76.80000° W
- East
- 76.50000° W
- Center
- 38.55000° N, 76.65000° W
- Bounds area
- 254 sq nm
- Feature density
- 9.0529 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 52.2
- Smallest layer
- 1
- Largest layer
- 662
- Area sq km
- 870
- Features per sq km
- 2.6394
- COALNE Coastline 662
- SLCONS Shoreline construction 420
- LNDRGN Land region 287
- RIVERS River 171
- DEPCNT Depth contour 125
- DEPARE Depth area 118
- PILPNT 90
- SBDARE Seabed area 78
- OBSTRN Obstruction 44
- SEAARE Sea area 30
- BUAARE 28
- LNDARE Land area 28
- BCNLAT Lateral beacon 18
- DAYMAR 18
- LIGHTS Light 16
- OFSPLF 15
- M_QUAL Data quality 14
- LAKARE 13
- WRECKS Wreck 12
- SILTNK 11
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/US4MD1CC.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4MD1CC/1.0/US4MD1CC.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4MD1CC/1.0/US4MD1CC.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4MD1CC/1.0/US4MD1CC.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4MD1CC/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Jun 10, 2026 | metadata.json |