NOAA S-57 chart cell
North Pacific Ocean - Southwest of O'ahu, HI
US4HI1MJ
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 78
- S-57 layers
- 27
- Published
- Sep 26, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 21.30000° N
- South
- 21.00000° N
- West
- 158.40000° W
- East
- 158.10000° W
- Center
- 21.15000° N, 158.25000° W
- Bounds area
- 303 sq nm
- Feature density
- 0.2578 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 2.9
- Smallest layer
- 1
- Largest layer
- 14
- Area sq km
- 1,038
- Features per sq km
- 0.07516
- CBLSUB 14
- SBDARE Seabed area 8
- DEPARE Depth area 7
- M_QUAL Data quality 7
- DEPCNT Depth contour 6
- RESARE 6
- SOUNDG Sounding 4
- UWTROC Underwater rock 3
- COALNE Coastline 2
- CTNARE Caution area 2
- LIGHTS Light 2
- WRECKS Wreck 2
- ADMARE 1
- BCNSPP Special purpose beacon 1
- BOYSPP Special purpose buoy 1
- CONZNE 1
- DMPGRD 1
- EXEZNE 1
- LNDARE Land area 1
- M_COVR Coverage 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/US4HI1MJ.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4HI1MJ/1.0/US4HI1MJ.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4HI1MJ/1.0/US4HI1MJ.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4HI1MJ/1.0/US4HI1MJ.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4HI1MJ/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Sep 26, 2025 | metadata.json |