NOAA S-57 chart cell
Near Islands, AK
US4AK1FP
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 2,937
- S-57 layers
- 23
- Published
- Mar 7, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 52.80000° N
- South
- 52.50000° N
- West
- 173.40000° E
- East
- 174.00000° E
- Center
- 52.65000° N, 173.70000° E
- Bounds area
- 394 sq nm
- Feature density
- 7.4607 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 127.7
- Smallest layer
- 1
- Largest layer
- 618
- Area sq km
- 1,350
- Features per sq km
- 2.1752
- LNDARE Land area 618
- COALNE Coastline 609
- DEPCNT Depth contour 505
- DEPARE Depth area 438
- UWTROC Underwater rock 299
- SBDARE Seabed area 175
- WEDKLP 150
- OBSTRN Obstruction 48
- RIVERS River 20
- SOUNDG Sounding 13
- WATTUR 13
- LNDELV 11
- SEAARE Sea area 8
- MAGVAR Magnetic variation 7
- LNDRGN Land region 6
- M_QUAL Data quality 5
- LNDMRK 4
- ADMARE 3
- CTNARE Caution area 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/US4AK1FP.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4AK1FP/1.0/US4AK1FP.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4AK1FP/1.0/US4AK1FP.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4AK1FP/1.0/US4AK1FP.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4AK1FP/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Mar 7, 2024 | metadata.json |