NOAA S-57 chart cell
Federated States of Micronesia - Losap Atoll and Nema, Mortlock Islands
US4TD3H0
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 332
- S-57 layers
- 21
- Published
- Jul 1, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 7.00000° N
- South
- 6.00000° N
- West
- 152.00000° E
- East
- 153.00000° E
- Center
- 6.50000° N, 152.50000° E
- Bounds area
- 3,582 sq nm
- Feature density
- 0.0927 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 15.8
- Smallest layer
- 1
- Largest layer
- 81
- Area sq km
- 12,285
- Features per sq km
- 0.02703
- DEPCNT Depth contour 81
- DEPARE Depth area 76
- SBDARE Seabed area 66
- COALNE Coastline 32
- LNDARE Land area 20
- ADMARE 9
- BUISGL 8
- UWTROC Underwater rock 6
- LNDELV 5
- OBSTRN Obstruction 5
- SLCONS Shoreline construction 5
- BUAARE 4
- SEAARE Sea area 4
- LNDRGN Land region 2
- M_COVR Coverage 2
- SOUNDG Sounding 2
- C_ASSO 1
- M_NPUB 1
- M_NSYS 1
- M_QUAL Data quality 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/US4TD3H0.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4TD3H0/1.0/US4TD3H0.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4TD3H0/1.0/US4TD3H0.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4TD3H0/1.0/US4TD3H0.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4TD3H0/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Jul 1, 2025 | metadata.json |