NOAA S-57 chart cell
Girard Junction to Erie, PA
US4PA1IB
- Usage band
- Approach · code 4
- Current edition
- 1.1
- Features
- 327
- S-57 layers
- 29
- Published
- Aug 11, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 42.30000° N
- South
- 42.00000° N
- West
- 80.40000° W
- East
- 80.10000° W
- Center
- 42.15000° N, 80.25000° W
- Bounds area
- 241 sq nm
- Feature density
- 1.3595 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 11.3
- Smallest layer
- 1
- Largest layer
- 82
- Area sq km
- 825
- Features per sq km
- 0.39636
- SLCONS Shoreline construction 82
- DEPARE Depth area 41
- RIVERS River 38
- DEPCNT Depth contour 37
- COALNE Coastline 31
- SBDARE Seabed area 13
- LNDRGN Land region 11
- RECTRC 10
- BUISGL 9
- LIGHTS Light 8
- BUAARE 5
- LNDARE Land area 5
- M_QUAL Data quality 5
- SOUNDG Sounding 5
- LAKARE 4
- SILTNK 4
- CTNARE Caution area 3
- BOYSPP Special purpose buoy 2
- OBSTRN Obstruction 2
- PIPSOL 2
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/US4PA1IB.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4PA1IB/1.1/US4PA1IB.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4PA1IB/1.1/US4PA1IB.001
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4PA1IB/1.1/US4PA1IB.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4PA1IB/1.1/US4PA1IB.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4PA1IB/1.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.1 | Aug 11, 2025 | metadata.json |