NOAA S-57 chart cell
North Pacific Ocean
US4AK5MH
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 431
- S-57 layers
- 26
- Published
- May 10, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 57.00000° N
- South
- 56.70000° N
- West
- 136.20000° W
- East
- 135.60000° W
- Center
- 56.85000° N, 135.90000° W
- Bounds area
- 355 sq nm
- Feature density
- 1.2147 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 16.6
- Smallest layer
- 1
- Largest layer
- 102
- Area sq km
- 1,217
- Features per sq km
- 0.35414
- DEPCNT Depth contour 102
- SBDARE Seabed area 98
- DEPARE Depth area 96
- UWTROC Underwater rock 40
- LNDARE Land area 24
- COALNE Coastline 16
- OBSTRN Obstruction 9
- WEDKLP 8
- SOUNDG Sounding 7
- M_QUAL Data quality 5
- SEAARE Sea area 4
- LNDRGN Land region 3
- ADMARE 2
- M_NPUB 2
- MAGVAR Magnetic variation 2
- SLOTOP 2
- WATTUR 2
- BCNSPP Special purpose beacon 1
- CONZNE 1
- DAYMAR 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/US4AK5MH.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK5MH/1.0/US4AK5MH.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK5MH/1.0/US4AK5MH.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK5MH/1.0/US4AK5MH.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK5MH/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | May 10, 2024 | metadata.json |