NOAA S-57 chart cell
Halifax River - North Atlantic Ocean
US4FL2MF
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 263
- S-57 layers
- 29
- Published
- Jul 7, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 29.40000° N
- South
- 29.10000° N
- West
- 81.30000° W
- East
- 81.00000° W
- Center
- 29.25000° N, 81.15000° W
- Bounds area
- 283 sq nm
- Feature density
- 0.9291 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 9.1
- Smallest layer
- 1
- Largest layer
- 104
- Area sq km
- 971
- Features per sq km
- 0.27088
- SLCONS Shoreline construction 104
- COALNE Coastline 25
- BRIDGE 17
- BUAARE 12
- BUISGL 11
- DEPARE Depth area 11
- LNDARE Land area 11
- LNDMRK 11
- RIVERS River 10
- LNDRGN Land region 8
- DEPCNT Depth contour 7
- PONTON 6
- SEAARE Sea area 5
- RDOSTA 4
- CTNARE Caution area 3
- M_QUAL Data quality 3
- SBDARE Seabed area 2
- SILTNK 2
- ADMARE 1
- CBLOHD 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/US4FL2MF.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4FL2MF/1.0/US4FL2MF.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4FL2MF/1.0/US4FL2MF.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4FL2MF/1.0/US4FL2MF.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4FL2MF/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Jul 7, 2025 | metadata.json |