NOAA S-57 chart cell
Shemya Island
US5A2KGM
- Usage band
- Harbor · code 5
- Current edition
- 1.0
- Features
- 1,099
- S-57 layers
- 27
- Published
- Sep 23, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 52.72500° N
- South
- 52.65000° N
- West
- 174.00000° E
- East
- 174.15000° E
- Center
- 52.68750° N, 174.07500° E
- Bounds area
- 25 sq nm
- Feature density
- 44.7062 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 40.7
- Smallest layer
- 1
- Largest layer
- 216
- Area sq km
- 84
- Features per sq km
- 13.03423
- DEPCNT Depth contour 216
- DEPARE Depth area 199
- UWTROC Underwater rock 167
- LNDARE Land area 154
- COALNE Coastline 126
- SBDARE Seabed area 86
- WEDKLP 62
- BUISGL 21
- OBSTRN Obstruction 13
- WATTUR 10
- RIVERS River 8
- SOUNDG Sounding 6
- SILTNK 5
- SLCONS Shoreline construction 5
- SEAARE Sea area 4
- MAGVAR Magnetic variation 3
- LNDRGN Land region 2
- M_NPUB 2
- M_QUAL Data quality 2
- ADMARE 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/US5A2KGM.zip
- S-57 cell https://charts.openships.ai/noaa/s57/harbor/US5A2KGM/1.0/US5A2KGM.000
- GeoJSON https://charts.openships.ai/noaa/s57/harbor/US5A2KGM/1.0/US5A2KGM.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/harbor/US5A2KGM/1.0/US5A2KGM.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/harbor/US5A2KGM/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Sep 23, 2025 | metadata.json |