NOAA S-57 chart cell
Palau - Ngeaur
US4TB3J0
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 331
- S-57 layers
- 27
- Published
- Apr 16, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 7.00000° N
- South
- 6.00000° N
- West
- 134.00000° E
- East
- 135.00000° E
- Center
- 6.50000° N, 134.50000° E
- Bounds area
- 3,582 sq nm
- Feature density
- 0.0924 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 12.3
- Smallest layer
- 1
- Largest layer
- 76
- Area sq km
- 12,285
- Features per sq km
- 0.02694
- SBDARE Seabed area 76
- BUISGL 68
- DEPARE Depth area 54
- DEPCNT Depth contour 50
- LNDELV 22
- ROADWY 22
- TS_FEB 5
- COALNE Coastline 3
- LNDMRK 3
- LNDRGN Land region 3
- SLCONS Shoreline construction 3
- LNDARE Land area 2
- M_COVR Coverage 2
- SEAARE Sea area 2
- SILTNK 2
- SOUNDG Sounding 2
- UWTROC Underwater rock 2
- ADMARE 1
- AIRARE 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/US4TB3J0.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4TB3J0/1.0/US4TB3J0.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4TB3J0/1.0/US4TB3J0.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4TB3J0/1.0/US4TB3J0.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4TB3J0/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Apr 16, 2025 | metadata.json |