NOAA S-57 chart cell
North Pacific Ocean - West of Moloka'i, HI
US4HI1MM
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 360
- S-57 layers
- 33
- Published
- Nov 14, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 21.30000° N
- South
- 21.00000° N
- West
- 157.50000° W
- East
- 157.20000° W
- Center
- 21.15000° N, 157.35000° W
- Bounds area
- 303 sq nm
- Feature density
- 1.1898 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 10.9
- Smallest layer
- 1
- Largest layer
- 98
- Area sq km
- 1,038
- Features per sq km
- 0.34688
- SBDARE Seabed area 98
- DEPCNT Depth contour 60
- DEPARE Depth area 53
- UWTROC Underwater rock 46
- LNDELV 11
- SLOGRD 10
- COALNE Coastline 9
- LNDARE Land area 9
- OBSTRN Obstruction 9
- M_QUAL Data quality 7
- BUAARE 6
- CBLSUB 6
- SOUNDG Sounding 6
- LNDRGN Land region 4
- SILTNK 4
- SEAARE Sea area 3
- LNDMRK 2
- WRECKS Wreck 2
- ADMARE 1
- BCNSPP Special purpose beacon 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/US4HI1MM.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4HI1MM/1.0/US4HI1MM.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4HI1MM/1.0/US4HI1MM.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4HI1MM/1.0/US4HI1MM.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4HI1MM/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Nov 14, 2025 | metadata.json |