NOAA S-57 chart cell
Approaches to Brunswick River
US4GA1AG
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 205
- S-57 layers
- 28
- Published
- Oct 24, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 31.20000° N
- South
- 30.90000° N
- West
- 81.30000° W
- East
- 81.00000° W
- Center
- 31.05000° N, 81.15000° W
- Bounds area
- 278 sq nm
- Feature density
- 0.7375 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 7.3
- Smallest layer
- 1
- Largest layer
- 58
- Area sq km
- 953
- Features per sq km
- 0.21503
- SBDARE Seabed area 58
- DEPARE Depth area 34
- DEPCNT Depth contour 33
- M_QUAL Data quality 16
- SOUNDG Sounding 11
- LIGHTS Light 7
- OBSTRN Obstruction 6
- WRECKS Wreck 6
- BOYLAT Lateral buoy 5
- BOYSPP Special purpose buoy 3
- MAGVAR Magnetic variation 3
- RESARE 3
- TWRTPT 3
- ADMARE 2
- CTNARE Caution area 2
- BOYSAW 1
- CONZNE 1
- DMPGRD 1
- EXEZNE 1
- FAIRWY Fairway 1
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/US4GA1AG.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4GA1AG/1.0/US4GA1AG.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4GA1AG/1.0/US4GA1AG.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4GA1AG/1.0/US4GA1AG.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4GA1AG/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Oct 24, 2024 | metadata.json |