NOAA S-57 chart cell
Chandeleur Sound and Gulf of America
US5GPTAD
- Usage band
- Harbor · code 5
- Current edition
- 1.3
- Features
- 81
- S-57 layers
- 23
- Published
- May 15, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 30.15000° N
- South
- 30.07500° N
- West
- 88.95000° W
- East
- 88.87500° W
- Center
- 30.11250° N, 88.91250° W
- Bounds area
- 18 sq nm
- Feature density
- 4.6178 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 3.5
- Smallest layer
- 1
- Largest layer
- 14
- Area sq km
- 60
- Features per sq km
- 1.34634
- DRGARE 14
- LIGHTS Light 10
- BOYLAT Lateral buoy 9
- DEPARE Depth area 6
- M_QUAL Data quality 6
- SBDARE Seabed area 6
- SOUNDG Sounding 6
- DEPCNT Depth contour 5
- CTNARE Caution area 2
- DMPGRD 2
- FAIRWY Fairway 2
- SEAARE Sea area 2
- ADMARE 1
- BOYSAW 1
- C_AGGR 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- MAGVAR Magnetic variation 1
- NAVLNE 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/US5GPTAD.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/harbor/US5GPTAD/1.3/US5GPTAD.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/harbor/US5GPTAD/1.3/US5GPTAD.001
- S-57 update 002 https://charts.openships.ai/noaa/s57/harbor/US5GPTAD/1.3/US5GPTAD.002
- S-57 update 003 https://charts.openships.ai/noaa/s57/harbor/US5GPTAD/1.3/US5GPTAD.003
- GeoJSON https://charts.openships.ai/noaa/s57/harbor/US5GPTAD/1.3/US5GPTAD.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/harbor/US5GPTAD/1.3/US5GPTAD.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/harbor/US5GPTAD/1.3/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.3 | May 15, 2026 | metadata.json |