NOAA S-57 chart cell
Federated States of Micronesia - Oroluk Lagoon
US4TD4K0
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 636
- S-57 layers
- 22
- Published
- Oct 2, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 8.00000° N
- South
- 7.00000° N
- West
- 155.00000° E
- East
- 156.00000° E
- Center
- 7.50000° N, 155.50000° E
- Bounds area
- 3,574 sq nm
- Feature density
- 0.178 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 28.9
- Smallest layer
- 1
- Largest layer
- 330
- Area sq km
- 12,258
- Features per sq km
- 0.05188
- SBDARE Seabed area 330
- DEPCNT Depth contour 91
- DEPARE Depth area 80
- UWTROC Underwater rock 73
- M_QUAL Data quality 11
- TS_FEB 10
- SWPARE 8
- SEAARE Sea area 5
- LNDARE Land area 4
- WRECKS Wreck 4
- CTRPNT 3
- SOUNDG Sounding 3
- ADMARE 2
- COALNE Coastline 2
- M_COVR Coverage 2
- VEGATN 2
- C_ASSO 1
- LNDELV 1
- M_NPUB 1
- M_NSYS 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/US4TD4K0.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4TD4K0/1.0/US4TD4K0.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4TD4K0/1.0/US4TD4K0.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4TD4K0/1.0/US4TD4K0.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4TD4K0/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Oct 2, 2025 | metadata.json |