NOAA S-57 chart cell
Lake Boudreaux and Lake Pelto - Gulf of America
US4LA1EK
- Usage band
- Approach · code 4
- Current edition
- 1.2
- Features
- 4,324
- S-57 layers
- 48
- Published
- Feb 10, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 29.40000° N
- South
- 29.10000° N
- West
- 90.90000° W
- East
- 90.60000° W
- Center
- 29.25000° N, 90.75000° W
- Bounds area
- 283 sq nm
- Feature density
- 15.2753 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 90.1
- Smallest layer
- 1
- Largest layer
- 1,220
- Area sq km
- 971
- Features per sq km
- 4.45358
- LNDARE Land area 1,220
- COALNE Coastline 744
- LNDRGN Land region 549
- PILPNT 276
- RIVERS River 262
- DEPCNT Depth contour 166
- SLCONS Shoreline construction 157
- DEPARE Depth area 154
- SEAARE Sea area 147
- OBSTRN Obstruction 138
- LAKARE 67
- M_QUAL Data quality 46
- LIGHTS Light 43
- OFSPLF 40
- DAYMAR 29
- BCNSPP Special purpose beacon 28
- SBDARE Seabed area 27
- PIPSOL 25
- WRECKS Wreck 23
- BCNLAT Lateral beacon 22
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/US4LA1EK.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4LA1EK/1.2/US4LA1EK.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4LA1EK/1.2/US4LA1EK.001
- S-57 update 002 https://charts.openships.ai/noaa/s57/approach/US4LA1EK/1.2/US4LA1EK.002
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4LA1EK/1.2/US4LA1EK.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4LA1EK/1.2/US4LA1EK.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4LA1EK/1.2/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.2 | Feb 10, 2026 | metadata.json |