NOAA S-57 chart cell
North Pacific Ocean - 'Alenuihaha Channel, HI
US4HI1JR
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 39
- S-57 layers
- 15
- Published
- Jan 13, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 20.40000° N
- South
- 20.10000° N
- West
- 156.30000° W
- East
- 156.00000° W
- Center
- 20.25000° N, 156.15000° W
- Bounds area
- 304 sq nm
- Feature density
- 0.1281 / sq nm
Chart Statistics
15 largest layers shown
- Average features per layer
- 2.6
- Smallest layer
- 1
- Largest layer
- 8
- Area sq km
- 1,044
- Features per sq km
- 0.03736
- SBDARE Seabed area 8
- DEPARE Depth area 5
- CBLSUB 4
- DEPCNT Depth contour 4
- SOUNDG Sounding 4
- M_QUAL Data quality 3
- SEAARE Sea area 2
- TESARE 2
- CONZNE 1
- COSARE 1
- EXEZNE 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- MAGVAR Magnetic variation 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/US4HI1JR.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4HI1JR/1.0/US4HI1JR.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4HI1JR/1.0/US4HI1JR.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4HI1JR/1.0/US4HI1JR.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4HI1JR/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Jan 13, 2026 | metadata.json |