NOAA S-57 chart cell
Marshall Islands - Ailuk Atoll and Likiep Atoll North
US4TK2E0
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 2,342
- S-57 layers
- 25
- Published
- Jan 2, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 11.00000° N
- South
- 10.00000° N
- West
- 169.00000° E
- East
- 170.00000° E
- Center
- 10.50000° N, 169.50000° E
- Bounds area
- 3,544 sq nm
- Feature density
- 0.6607 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 93.7
- Smallest layer
- 1
- Largest layer
- 1,104
- Area sq km
- 12,157
- Features per sq km
- 0.19264
- SBDARE Seabed area 1,104
- DEPCNT Depth contour 291
- DEPARE Depth area 276
- UWTROC Underwater rock 239
- LNDARE Land area 86
- VEGATN 83
- COALNE Coastline 77
- ADMARE 76
- OBSTRN Obstruction 39
- M_QUAL Data quality 13
- CTRPNT 9
- SEAARE Sea area 9
- SWPARE 9
- BUISGL 7
- LNDRGN Land region 4
- M_COVR Coverage 3
- SLCONS Shoreline construction 3
- C_ASSO 2
- CTNARE Caution area 2
- M_NPUB 2
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/US4TK2E0.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4TK2E0/1.0/US4TK2E0.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4TK2E0/1.0/US4TK2E0.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4TK2E0/1.0/US4TK2E0.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4TK2E0/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Jan 2, 2025 | metadata.json |