NOAA S-57 chart cell
Swan Creek
US5BALFG
- Usage band
- Harbor · code 5
- Current edition
- 1.0
- Features
- 95
- S-57 layers
- 23
- Published
- Jun 28, 2023
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 39.52500° N
- South
- 39.45000° N
- West
- 76.20000° W
- East
- 76.12500° W
- Center
- 39.48750° N, 76.16250° W
- Bounds area
- 16 sq nm
- Feature density
- 6.0705 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 4.1
- Smallest layer
- 1
- Largest layer
- 16
- Area sq km
- 54
- Features per sq km
- 1.76989
- OBSTRN Obstruction 16
- COALNE Coastline 15
- LNDRGN Land region 10
- DEPARE Depth area 8
- DEPCNT Depth contour 8
- LNDARE Land area 7
- RIVERS River 5
- BUAARE 4
- SLCONS Shoreline construction 3
- CBLOHD 2
- SEAARE Sea area 2
- SILTNK 2
- SOUNDG Sounding 2
- WEDKLP 2
- CTNARE Caution area 1
- LNDMRK 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- M_QUAL Data quality 1
Nearby Chart Cells
Harbor 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/US5BALFG.zip
- S-57 cell https://charts.openships.ai/noaa/s57/harbor/US5BALFG/1.0/US5BALFG.000
- GeoJSON https://charts.openships.ai/noaa/s57/harbor/US5BALFG/1.0/US5BALFG.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/harbor/US5BALFG/1.0/US5BALFG.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/harbor/US5BALFG/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Jun 28, 2023 | metadata.json |