NOAA S-57 chart cell
Federated States of Micronesia - Senyavin Islands - Pohnpei, Pakin and Ant Atolls
US3TD400
- Usage band
- Coastal · code 3
- Current edition
- 1.0
- Features
- 2,179
- S-57 layers
- 32
- Published
- Dec 15, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 10.00000° N
- South
- 5.00000° N
- West
- 155.00000° E
- East
- 160.00000° E
- Center
- 7.50000° N, 157.50000° E
- Bounds area
- 89,322 sq nm
- Feature density
- 0.0244 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 68.1
- Smallest layer
- 1
- Largest layer
- 592
- Area sq km
- 306,367
- Features per sq km
- 0.00711
- DEPCNT Depth contour 592
- DEPARE Depth area 508
- UWTROC Underwater rock 236
- SBDARE Seabed area 203
- LNDARE Land area 130
- OBSTRN Obstruction 96
- COALNE Coastline 84
- BUISGL 78
- LNDELV 74
- LNDRGN Land region 36
- RIVERS River 31
- SLCONS Shoreline construction 28
- VEGATN 25
- SEAARE Sea area 18
- LIGHTS Light 6
- LITFLT 6
- BCNSPP Special purpose beacon 4
- M_QUAL Data quality 3
- SOUNDG Sounding 3
- TOPMAR 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/US3TD400.zip
- S-57 cell https://charts.openships.ai/noaa/s57/coastal/US3TD400/1.0/US3TD400.000
- GeoJSON https://charts.openships.ai/noaa/s57/coastal/US3TD400/1.0/US3TD400.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/coastal/US3TD400/1.0/US3TD400.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/coastal/US3TD400/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Dec 15, 2025 | metadata.json |