NOAA S-57 chart cell
Federated States Micronesia - Lamotrek, Elato and Olimarao Atolls; Satawal and Namonuito Atoll West
US3TC400
- Usage band
- Coastal · code 3
- Current edition
- 1.0
- Features
- 544
- S-57 layers
- 25
- Published
- Dec 15, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 10.00000° N
- South
- 5.00000° N
- West
- 145.00000° E
- East
- 150.00000° E
- Center
- 7.50000° N, 147.50000° E
- Bounds area
- 89,322 sq nm
- Feature density
- 0.0061 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 21.8
- Smallest layer
- 1
- Largest layer
- 167
- Area sq km
- 306,367
- Features per sq km
- 0.00178
- DEPCNT Depth contour 167
- DEPARE Depth area 158
- SBDARE Seabed area 69
- OBSTRN Obstruction 26
- M_QUAL Data quality 16
- ADMARE 11
- COALNE Coastline 11
- LNDARE Land area 11
- LNDELV 10
- SEAARE Sea area 9
- SOUNDG Sounding 8
- MAGVAR Magnetic variation 6
- UWTROC Underwater rock 6
- BUISGL 5
- CTNARE Caution area 5
- SWPARE 5
- VEGATN 5
- M_COVR Coverage 4
- M_NPUB 3
- M_NSYS 3
Nearby Chart Cells
Coastal 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/US3TC400.zip
- S-57 cell https://charts.openships.ai/noaa/s57/coastal/US3TC400/1.0/US3TC400.000
- GeoJSON https://charts.openships.ai/noaa/s57/coastal/US3TC400/1.0/US3TC400.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/coastal/US3TC400/1.0/US3TC400.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/coastal/US3TC400/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Dec 15, 2025 | metadata.json |