NOAA S-57 chart cell
Drakes Bay - Drakes Estero, CA
US5CA4HB
- Usage band
- Harbor · code 5
- Current edition
- 1.0
- Features
- 175
- S-57 layers
- 26
- Published
- Dec 17, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 38.10000° N
- South
- 38.02500° N
- West
- 123.00000° W
- East
- 122.92500° W
- Center
- 38.06250° N, 122.96250° W
- Bounds area
- 16 sq nm
- Feature density
- 10.9614 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 6.7
- Smallest layer
- 1
- Largest layer
- 33
- Area sq km
- 55
- Features per sq km
- 3.19582
- COALNE Coastline 33
- DEPCNT Depth contour 32
- DEPARE Depth area 22
- LNDRGN Land region 13
- LNDMRK 10
- M_QUAL Data quality 8
- SLOTOP 8
- SEAARE Sea area 7
- SOUNDG Sounding 6
- BUISGL 5
- SBDARE Seabed area 4
- CBLSUB 3
- LNDARE Land area 3
- M_NPUB 3
- SLOGRD 3
- LAKARE 2
- LNDELV 2
- RESARE 2
- WATTUR 2
- CTNARE Caution area 1
Nearby Chart Cells
Harbor 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/US5CA4HB.zip
- S-57 cell https://charts.openships.ai/noaa/s57/harbor/US5CA4HB/1.0/US5CA4HB.000
- GeoJSON https://charts.openships.ai/noaa/s57/harbor/US5CA4HB/1.0/US5CA4HB.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/harbor/US5CA4HB/1.0/US5CA4HB.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/harbor/US5CA4HB/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Dec 17, 2025 | metadata.json |