NOAA S-57 chart cell
Holkham Bay and Tracy Arm
US5AK2YS
- Usage band
- Harbor · code 5
- Current edition
- 4.0
- Features
- 358
- S-57 layers
- 15
- Published
- Jun 10, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 57.90000° N
- South
- 57.82500° N
- West
- 133.35000° W
- East
- 133.20000° W
- Center
- 57.86250° N, 133.27500° W
- Bounds area
- 22 sq nm
- Feature density
- 16.5947 / sq nm
Chart Statistics
15 largest layers shown
- Average features per layer
- 23.9
- Smallest layer
- 1
- Largest layer
- 172
- Area sq km
- 74
- Features per sq km
- 4.83823
- DEPCNT Depth contour 172
- DEPARE Depth area 136
- SBDARE Seabed area 14
- RIVERS River 10
- LNDELV 6
- COALNE Coastline 5
- LNDARE Land area 4
- SOUNDG Sounding 3
- UWTROC Underwater rock 2
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- M_QUAL Data quality 1
- MAGVAR Magnetic variation 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/US5AK2YS.zip
- S-57 cell https://charts.openships.ai/noaa/s57/harbor/US5AK2YS/4.0/US5AK2YS.000
- GeoJSON https://charts.openships.ai/noaa/s57/harbor/US5AK2YS/4.0/US5AK2YS.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/harbor/US5AK2YS/4.0/US5AK2YS.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/harbor/US5AK2YS/4.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 4.0 | Jun 10, 2026 | metadata.json |