NOAA S-57 chart cell
Shemya Island
US5A2KGN
- Usage band
- Harbor · code 5
- Current edition
- 1.0
- Features
- 567
- S-57 layers
- 20
- Published
- Sep 23, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 52.72500° N
- South
- 52.65000° N
- West
- 174.15000° E
- East
- 174.30000° E
- Center
- 52.68750° N, 174.22500° E
- Bounds area
- 25 sq nm
- Feature density
- 23.065 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 28.4
- Smallest layer
- 1
- Largest layer
- 169
- Area sq km
- 84
- Features per sq km
- 6.72467
- DEPCNT Depth contour 169
- DEPARE Depth area 167
- UWTROC Underwater rock 109
- LNDARE Land area 31
- SBDARE Seabed area 28
- COALNE Coastline 27
- WEDKLP 9
- OBSTRN Obstruction 8
- WATTUR 4
- SOUNDG Sounding 3
- M_NPUB 2
- MAGVAR Magnetic variation 2
- ADMARE 1
- DMPGRD 1
- M_COVR Coverage 1
- M_NSYS 1
- M_QUAL Data quality 1
- RESARE 1
- RIVERS River 1
- SEAARE Sea area 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/US5A2KGN.zip
- S-57 cell https://charts.openships.ai/noaa/s57/harbor/US5A2KGN/1.0/US5A2KGN.000
- GeoJSON https://charts.openships.ai/noaa/s57/harbor/US5A2KGN/1.0/US5A2KGN.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/harbor/US5A2KGN/1.0/US5A2KGN.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/harbor/US5A2KGN/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Sep 23, 2025 | metadata.json |