NOAA S-57 chart cell
Egegik River
US4AK51M
- Usage band
- Approach · code 4
- Current edition
- 7.0
- Features
- 49
- S-57 layers
- 12
- Published
- Oct 12, 2023
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 58.51157° N
- South
- 58.10421° N
- West
- 157.21165° W
- East
- 156.77394° W
- Center
- 58.30789° N, 156.99280° W
- Bounds area
- 338 sq nm
- Feature density
- 0.1451 / sq nm
Chart Statistics
12 largest layers shown
- Average features per layer
- 4.1
- Smallest layer
- 1
- Largest layer
- 17
- Area sq km
- 1,158
- Features per sq km
- 0.04231
- LNDARE Land area 17
- COALNE Coastline 16
- RIVERS River 4
- M_COVR Coverage 2
- SOUNDG Sounding 2
- UWTROC Underwater rock 2
- DEPARE Depth area 1
- M_NPUB 1
- M_NSYS 1
- M_QUAL Data quality 1
- MAGVAR Magnetic variation 1
- SEAARE Sea area 1
Nearby Chart Cells
Approach 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/US4AK51M.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK51M/7.0/US4AK51M.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK51M/7.0/US4AK51M.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK51M/7.0/US4AK51M.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK51M/7.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 7.0 | Oct 12, 2023 | metadata.json |