NOAA S-57 chart cell
Navassa Island - Caribbean Sea
US4UM6DD
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 106
- S-57 layers
- 22
- Published
- May 29, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 18.60000° N
- South
- 18.30000° N
- West
- 75.30000° W
- East
- 75.00000° W
- Center
- 18.45000° N, 75.15000° W
- Bounds area
- 308 sq nm
- Feature density
- 0.3444 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 4.8
- Smallest layer
- 1
- Largest layer
- 32
- Area sq km
- 1,056
- Features per sq km
- 0.10042
- DEPCNT Depth contour 32
- DEPARE Depth area 29
- M_QUAL Data quality 7
- SBDARE Seabed area 6
- SOUNDG Sounding 6
- LNDRGN Land region 4
- CTRPNT 3
- SEAARE Sea area 3
- CBLSUB 2
- MAGVAR Magnetic variation 2
- ADMARE 1
- COALNE Coastline 1
- LNDARE Land area 1
- LNDELV 1
- LNDMRK 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- MIPARE 1
- OBSTRN Obstruction 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/US4UM6DD.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4UM6DD/1.0/US4UM6DD.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4UM6DD/1.0/US4UM6DD.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4UM6DD/1.0/US4UM6DD.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4UM6DD/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | May 29, 2024 | metadata.json |