NOAA S-57 chart cell
Medway River to Sunbury Channel
US5GA1HF
- Usage band
- Harbor · code 5
- Current edition
- 2.0
- Features
- 378
- S-57 layers
- 18
- Published
- Aug 27, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 31.80000° N
- South
- 31.72500° N
- West
- 81.30000° W
- East
- 81.22500° W
- Center
- 31.76250° N, 81.26250° W
- Bounds area
- 17 sq nm
- Feature density
- 21.925 / sq nm
Chart Statistics
18 largest layers shown
- Average features per layer
- 21
- Smallest layer
- 1
- Largest layer
- 84
- Area sq km
- 59
- Features per sq km
- 6.39231
- COALNE Coastline 84
- DEPARE Depth area 81
- DEPCNT Depth contour 80
- LNDRGN Land region 47
- LNDARE Land area 27
- SBDARE Seabed area 16
- SEAARE Sea area 14
- RIVERS River 7
- CTNARE Caution area 5
- M_QUAL Data quality 5
- SLCONS Shoreline construction 4
- SOUNDG Sounding 2
- BRIDGE 1
- BUAARE 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- MAGVAR Magnetic variation 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/US5GA1HF.zip
- S-57 cell https://charts.openships.ai/noaa/s57/harbor/US5GA1HF/2.0/US5GA1HF.000
- GeoJSON https://charts.openships.ai/noaa/s57/harbor/US5GA1HF/2.0/US5GA1HF.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/harbor/US5GA1HF/2.0/US5GA1HF.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/harbor/US5GA1HF/2.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.0 | Aug 27, 2025 | metadata.json |