NOAA S-57 chart cell
Approaches to Sabine Pass - Sabine Bank
US4LA1FA
- Usage band
- Approach · code 4
- Current edition
- 1.5
- Features
- 712
- S-57 layers
- 44
- Published
- Jun 18, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 29.70000° N
- South
- 29.40000° N
- West
- 93.90000° W
- East
- 93.60000° W
- Center
- 29.55000° N, 93.75000° W
- Bounds area
- 282 sq nm
- Feature density
- 2.5227 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 16.2
- Smallest layer
- 1
- Largest layer
- 206
- Area sq km
- 968
- Features per sq km
- 0.7355
- PIPSOL 206
- SBDARE Seabed area 69
- OFSPLF 56
- LIGHTS Light 52
- DEPCNT Depth contour 38
- BOYLAT Lateral buoy 35
- DEPARE Depth area 32
- OBSTRN Obstruction 32
- WRECKS Wreck 31
- SOUNDG Sounding 22
- M_QUAL Data quality 18
- COALNE Coastline 14
- BCNSPP Special purpose beacon 10
- SLCONS Shoreline construction 10
- DMPGRD 9
- DAYMAR 8
- RIVERS River 7
- SEAARE Sea area 6
- CTNARE Caution area 5
- C_AGGR 4
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/US4LA1FA.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4LA1FA/1.5/US4LA1FA.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4LA1FA/1.5/US4LA1FA.001
- S-57 update 002 https://charts.openships.ai/noaa/s57/approach/US4LA1FA/1.5/US4LA1FA.002
- S-57 update 003 https://charts.openships.ai/noaa/s57/approach/US4LA1FA/1.5/US4LA1FA.003
- S-57 update 004 https://charts.openships.ai/noaa/s57/approach/US4LA1FA/1.5/US4LA1FA.004
- S-57 update 005 https://charts.openships.ai/noaa/s57/approach/US4LA1FA/1.5/US4LA1FA.005
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4LA1FA/1.5/US4LA1FA.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4LA1FA/1.5/US4LA1FA.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4LA1FA/1.5/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.5 | Jun 18, 2026 | metadata.json |