NOAA S-57 chart cell
Shemya Island
US5A2KHM
- Usage band
- Harbor · code 5
- Current edition
- 1.0
- Features
- 1,336
- S-57 layers
- 27
- Published
- Sep 23, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 52.80000° N
- South
- 52.72500° N
- West
- 174.00000° E
- East
- 174.15000° E
- Center
- 52.76250° N, 174.07500° E
- Bounds area
- 25 sq nm
- Feature density
- 54.4406 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 49.5
- Smallest layer
- 1
- Largest layer
- 388
- Area sq km
- 84
- Features per sq km
- 15.87234
- UWTROC Underwater rock 388
- LNDARE Land area 199
- DEPCNT Depth contour 183
- COALNE Coastline 177
- DEPARE Depth area 151
- SBDARE Seabed area 97
- WEDKLP 40
- OBSTRN Obstruction 36
- SILTNK 12
- LNDELV 11
- M_QUAL Data quality 5
- SEAARE Sea area 5
- SOUNDG Sounding 5
- RIVERS River 4
- SLCONS Shoreline construction 4
- WATTUR 3
- BUISGL 2
- DMPGRD 2
- M_NPUB 2
- MAGVAR Magnetic variation 2
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/US5A2KHM.zip
- S-57 cell https://charts.openships.ai/noaa/s57/harbor/US5A2KHM/1.0/US5A2KHM.000
- GeoJSON https://charts.openships.ai/noaa/s57/harbor/US5A2KHM/1.0/US5A2KHM.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/harbor/US5A2KHM/1.0/US5A2KHM.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/harbor/US5A2KHM/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Sep 23, 2025 | metadata.json |