NOAA S-57 chart cell
Choctawhatchee Bay
US4FL1YD
- Usage band
- Approach · code 4
- Current edition
- 14.1
- Features
- 2,685
- S-57 layers
- 57
- Published
- May 11, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 30.60000° N
- South
- 30.30000° N
- West
- 86.70000° W
- East
- 86.40000° W
- Center
- 30.45000° N, 86.55000° W
- Bounds area
- 280 sq nm
- Feature density
- 9.6 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 47.1
- Smallest layer
- 1
- Largest layer
- 885
- Area sq km
- 959
- Features per sq km
- 2.7989
- SLCONS Shoreline construction 885
- DEPCNT Depth contour 301
- DEPARE Depth area 277
- COALNE Coastline 218
- OBSTRN Obstruction 99
- DAYMAR 86
- BCNLAT Lateral beacon 82
- RETRFL 67
- BOYLAT Lateral buoy 52
- SBDARE Seabed area 49
- LIGHTS Light 46
- PILPNT 44
- LNDRGN Land region 41
- SEAARE Sea area 37
- BUISGL 32
- WRECKS Wreck 32
- SILTNK 30
- BCNSPP Special purpose beacon 28
- LNDARE Land area 24
- LNDMRK 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/US4FL1YD.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4FL1YD/14.1/US4FL1YD.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4FL1YD/14.1/US4FL1YD.001
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4FL1YD/14.1/US4FL1YD.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4FL1YD/14.1/US4FL1YD.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4FL1YD/14.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 14.1 | May 11, 2026 | metadata.json |