NOAA S-57 chart cell
Herendeen Bay
US4AK3OR
- Usage band
- Approach · code 4
- Current edition
- 2.0
- Features
- 631
- S-57 layers
- 27
- Published
- Jun 5, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 56.10000° N
- South
- 55.80000° N
- West
- 161.40000° W
- East
- 160.80000° W
- Center
- 55.95000° N, 161.10000° W
- Bounds area
- 363 sq nm
- Feature density
- 1.7368 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 23.4
- Smallest layer
- 1
- Largest layer
- 141
- Area sq km
- 1,246
- Features per sq km
- 0.50636
- COALNE Coastline 141
- DEPCNT Depth contour 130
- DEPARE Depth area 78
- LAKARE 57
- RIVERS River 42
- SBDARE Seabed area 42
- LNDRGN Land region 35
- LNDARE Land area 31
- M_QUAL Data quality 27
- SLOTOP 7
- SOUNDG Sounding 7
- BUISGL 6
- SEAARE Sea area 6
- CTNARE Caution area 3
- ADMARE 2
- LNDMRK 2
- M_NPUB 2
- MAGVAR Magnetic variation 2
- SLCONS Shoreline construction 2
- SNDWAV 2
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/US4AK3OR.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK3OR/2.0/US4AK3OR.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK3OR/2.0/US4AK3OR.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK3OR/2.0/US4AK3OR.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK3OR/2.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.0 | Jun 5, 2026 | metadata.json |