NOAA S-57 chart cell
Marshall Islands - Bikar Atoll
US4TL1K0
- Usage band
- Approach · code 4
- Current edition
- 2.0
- Features
- 947
- S-57 layers
- 17
- Published
- Mar 14, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 13.00000° N
- South
- 12.00000° N
- West
- 170.00000° E
- East
- 171.00000° E
- Center
- 12.50000° N, 170.50000° E
- Bounds area
- 3,519 sq nm
- Feature density
- 0.2691 / sq nm
Chart Statistics
17 largest layers shown
- Average features per layer
- 55.7
- Smallest layer
- 1
- Largest layer
- 367
- Area sq km
- 12,071
- Features per sq km
- 0.07845
- SBDARE Seabed area 367
- DEPCNT Depth contour 234
- DEPARE Depth area 233
- UWTROC Underwater rock 73
- LNDARE Land area 10
- ADMARE 6
- COALNE Coastline 6
- SOUNDG Sounding 4
- SEAARE Sea area 3
- WRECKS Wreck 3
- M_QUAL Data quality 2
- C_ASSO 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- MAGVAR Magnetic variation 1
- RESARE 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/US4TL1K0.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4TL1K0/2.0/US4TL1K0.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4TL1K0/2.0/US4TL1K0.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4TL1K0/2.0/US4TL1K0.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4TL1K0/2.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.0 | Mar 14, 2025 | metadata.json |