NOAA S-57 chart cell
Near Islands, AK
US4AK1FN
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 357
- S-57 layers
- 25
- Published
- Mar 7, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 52.80000° N
- South
- 52.50000° N
- West
- 172.20000° E
- East
- 172.80000° E
- Center
- 52.65000° N, 172.50000° E
- Bounds area
- 394 sq nm
- Feature density
- 0.9069 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 14.3
- Smallest layer
- 1
- Largest layer
- 102
- Area sq km
- 1,350
- Features per sq km
- 0.2644
- UWTROC Underwater rock 102
- LNDARE Land area 64
- DEPARE Depth area 55
- DEPCNT Depth contour 51
- SBDARE Seabed area 33
- COALNE Coastline 10
- SOUNDG Sounding 7
- MAGVAR Magnetic variation 5
- SLOTOP 5
- OBSTRN Obstruction 4
- RIVERS River 3
- SEAARE Sea area 3
- M_QUAL Data quality 2
- WEDKLP 2
- ADMARE 1
- CONZNE 1
- EXEZNE 1
- LNDELV 1
- LNDRGN Land region 1
- M_COVR Coverage 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/US4AK1FN.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK1FN/1.0/US4AK1FN.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK1FN/1.0/US4AK1FN.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK1FN/1.0/US4AK1FN.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK1FN/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Mar 7, 2024 | metadata.json |