NOAA S-57 chart cell
Marshall Islands - Southeastern Part, Maloelap Atoll and West Opening, Aur Atoll
US4TF3R0
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 1,340
- S-57 layers
- 33
- Published
- Dec 23, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 9.00000° N
- South
- 8.00000° N
- West
- 171.00000° E
- East
- 172.00000° E
- Center
- 8.50000° N, 171.50000° E
- Bounds area
- 3,565 sq nm
- Feature density
- 0.3759 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 40.6
- Smallest layer
- 1
- Largest layer
- 760
- Area sq km
- 12,228
- Features per sq km
- 0.10958
- SBDARE Seabed area 760
- DEPCNT Depth contour 173
- DEPARE Depth area 166
- LNDARE Land area 51
- ADMARE 26
- COALNE Coastline 26
- M_QUAL Data quality 26
- VEGATN 26
- SWPARE 16
- UWTROC Underwater rock 8
- ROADWY 6
- SOUNDG Sounding 6
- SEAARE Sea area 5
- BCNSPP Special purpose beacon 4
- RECTRC 4
- CTNARE Caution area 3
- CTRPNT 3
- LNDRGN Land region 3
- M_COVR Coverage 3
- SLCONS Shoreline construction 3
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/US4TF3R0.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4TF3R0/1.0/US4TF3R0.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4TF3R0/1.0/US4TF3R0.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4TF3R0/1.0/US4TF3R0.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4TF3R0/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Dec 23, 2024 | metadata.json |