NOAA S-57 chart cell
Federated States of Micronesia - Pohnpei Harbor
US4TD4I0
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 2,633
- S-57 layers
- 43
- Published
- Sep 3, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 7.00000° N
- South
- 6.00000° N
- West
- 158.00000° E
- East
- 159.00000° E
- Center
- 6.50000° N, 158.50000° E
- Bounds area
- 3,582 sq nm
- Feature density
- 0.7351 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 61.2
- Smallest layer
- 1
- Largest layer
- 853
- Area sq km
- 12,285
- Features per sq km
- 0.21433
- DEPCNT Depth contour 853
- DEPARE Depth area 747
- SBDARE Seabed area 312
- BUISGL 163
- UWTROC Underwater rock 114
- COALNE Coastline 86
- OBSTRN Obstruction 68
- ROADWY 36
- VEGATN 35
- SLCONS Shoreline construction 32
- LNDARE Land area 27
- LNDRGN Land region 20
- TOPMAR 20
- ADMARE 16
- BCNSPP Special purpose beacon 13
- LIGHTS Light 12
- RIVERS River 10
- BCNLAT Lateral beacon 9
- LNDELV 8
- M_QUAL Data quality 8
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/US4TD4I0.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4TD4I0/1.0/US4TD4I0.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4TD4I0/1.0/US4TD4I0.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4TD4I0/1.0/US4TD4I0.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4TD4I0/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Sep 3, 2025 | metadata.json |