NOAA S-57 chart cell
North Pacific Ocean - Makapu'u Head to Mokapu Peninsula, HI
US4HI1NL
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 542
- S-57 layers
- 46
- Published
- Sep 26, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 21.60000° N
- South
- 21.30000° N
- West
- 157.80000° W
- East
- 157.50000° W
- Center
- 21.45000° N, 157.65000° W
- Bounds area
- 302 sq nm
- Feature density
- 1.7949 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 11.8
- Smallest layer
- 1
- Largest layer
- 88
- Area sq km
- 1,036
- Features per sq km
- 0.52331
- SBDARE Seabed area 88
- UWTROC Underwater rock 74
- COALNE Coastline 62
- DEPCNT Depth contour 50
- DEPARE Depth area 42
- LNDARE Land area 30
- SLCONS Shoreline construction 26
- LIGHTS Light 20
- LNDELV 19
- LNDRGN Land region 19
- BOYSPP Special purpose buoy 12
- BUAARE 11
- M_QUAL Data quality 10
- RIVERS River 7
- LAKARE 6
- SEAARE Sea area 6
- SOUNDG Sounding 6
- LNDMRK 5
- OBSTRN Obstruction 5
- SLOGRD 5
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/US4HI1NL.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4HI1NL/1.0/US4HI1NL.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4HI1NL/1.0/US4HI1NL.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4HI1NL/1.0/US4HI1NL.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4HI1NL/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Sep 26, 2025 | metadata.json |