NOAA S-57 chart cell
Federated States of Micronesia - Ngatik Atoll
US4TD4C0
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 260
- S-57 layers
- 26
- Published
- Jun 5, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 6.00000° N
- South
- 5.00000° N
- West
- 157.00000° E
- East
- 158.00000° E
- Center
- 5.50000° N, 157.50000° E
- Bounds area
- 3,588 sq nm
- Feature density
- 0.0725 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 10
- Smallest layer
- 1
- Largest layer
- 65
- Area sq km
- 12,307
- Features per sq km
- 0.02113
- CTNARE Caution area 65
- BCNSPP Special purpose beacon 30
- DEPARE Depth area 26
- DEPCNT Depth contour 22
- SBDARE Seabed area 20
- UWTROC Underwater rock 16
- LNDARE Land area 12
- ADMARE 11
- BUISGL 10
- COALNE Coastline 10
- VEGATN 10
- OBSTRN Obstruction 7
- SOUNDG Sounding 3
- WRECKS Wreck 3
- M_COVR Coverage 2
- RCRTCL 2
- SEAARE Sea area 2
- ACHARE Anchorage area 1
- C_ASSO 1
- M_NPUB 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/US4TD4C0.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4TD4C0/1.0/US4TD4C0.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4TD4C0/1.0/US4TD4C0.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4TD4C0/1.0/US4TD4C0.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4TD4C0/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Jun 5, 2025 | metadata.json |