NOAA S-57 chart cell
North Pacific Ocean - Kauai Channel, Northwest of O'ahu, HI
US4HI1OJ
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 95
- S-57 layers
- 28
- Published
- Sep 26, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 21.90000° N
- South
- 21.60000° N
- West
- 158.40000° W
- East
- 158.10000° W
- Center
- 21.75000° N, 158.25000° W
- Bounds area
- 301 sq nm
- Feature density
- 0.3153 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 3.4
- Smallest layer
- 1
- Largest layer
- 31
- Area sq km
- 1,034
- Features per sq km
- 0.09191
- SBDARE Seabed area 31
- DEPARE Depth area 12
- DEPCNT Depth contour 11
- LIGHTS Light 4
- BOYSPP Special purpose buoy 3
- M_QUAL Data quality 3
- SEAARE Sea area 3
- SOUNDG Sounding 3
- CBLSUB 2
- COALNE Coastline 2
- CTNARE Caution area 2
- LNDARE Land area 2
- MAGVAR Magnetic variation 2
- ADMARE 1
- BOYLAT Lateral buoy 1
- C_AGGR 1
- CONZNE 1
- EXEZNE 1
- LNDRGN Land region 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/US4HI1OJ.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4HI1OJ/1.0/US4HI1OJ.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4HI1OJ/1.0/US4HI1OJ.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4HI1OJ/1.0/US4HI1OJ.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4HI1OJ/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Sep 26, 2025 | metadata.json |