NOAA S-57 chart cell

North Pacific Ocean - Approaches to Honolulu and Pearl Harbor, HI

US4HI1MK

Usage band
Approach · code 4
Current edition
1.2
Features
394
S-57 layers
51
Published
Jun 9, 2026
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

Loading map
North
21.30000° N
South
21.00000° N
West
158.10000° W
East
157.80000° W
Center
21.15000° N, 157.95000° W
Bounds area
303 sq nm
Feature density
1.3021 / sq nm

Chart Statistics

20 largest layers shown

Average features per layer
7.7
Smallest layer
1
Largest layer
55
Area sq km
1,038
Features per sq km
0.37964
  1. SBDARE Seabed area 55
  2. DEPCNT Depth contour 36
  3. LIGHTS Light 33
  4. UWTROC Underwater rock 31
  5. DEPARE Depth area 29
  6. OBSTRN Obstruction 18
  7. RESARE 16
  8. COALNE Coastline 14
  9. BOYLAT Lateral buoy 12
  10. M_QUAL Data quality 12
  11. SLCONS Shoreline construction 12
  12. LNDARE Land area 10
  13. SOUNDG Sounding 10
  14. WRECKS Wreck 10
  15. BOYSPP Special purpose buoy 8
  16. LNDMRK 8
  17. SEAARE Sea area 7
  18. CBLSUB 5
  19. PIPSOL 5
  20. ACHARE Anchorage area 4

Nearby Chart Cells

Approach usage band

  1. North Pacific Ocean - Maunalua Bay, Kaiwi Channel, HI US4HI1ML - about 17 nm away
  2. North Pacific Ocean - Southwest of O'ahu, HI US4HI1MJ - about 17 nm away
  3. North Pacific Ocean - Kane'ohe Bay, Pearl Harbor, HI US4HI1NK - about 18 nm away
  4. North Pacific Ocean - Makapu'u Head to Mokapu Peninsula, HI US4HI1NL - about 25 nm away
  5. North Pacific Ocean - Barbers Point Harbor to Kaiaka Point, HI US4HI1NJ - about 25 nm away
  6. North Pacific Ocean - Penguin Bank, Southeast of O'ahu, HI US4HI1JL - about 25 nm away

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.

Editions

Edition Published Metadata
1.2 Jun 9, 2026 metadata.json