Surveys

Scientific moorings established: a. BCE-18, 71-40.351N 154-59.975W, at depth 105 meters, top float 40 meters

Chukchi Sea · Beaufort Sea · Alaska · HYDROARC 297/18

issued
2018-11-08 09:07Z
status
cancelled 2019-04-05 11:14Z (archive)
authority
JAMSTEC 080716Z NOV 18.
position
72.465, -156.550
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

CHUKCHI SEA.
BEAUFORT SEA.
ALASKA.
DNC 27.
CHART 16004.
SCIENTIFIC MOORINGS ESTABLISHED:
A. BCE-18, 71-40.351N 154-59.975W,
   AT DEPTH 105 METERS, TOP FLOAT 40 METERS.
B. BCC-18, 71-44.058N 155-09.663W,
   AT DEPTH 290 METERS, TOP FLOAT 40 METERS.
C. BCW-18, 71-47.771N 155-20.777W,
   AT DEPTH 169 METERS, TOP FLOAT 40 METERS.
D. NAP-18t, 74-39.018N 161-50.342W,
   AT DEPTH 1824 METERS, TOP FLOAT 24 METERS.
E. NBC-18t, 72-28.226N 155-24.295W,
   AT DEPTH 1980 METERS, TOP FLOAT 47 METERS.

This area · survey operations

63 within 180 nm since 2004 · 0 in the last 12 months · 1 in force now

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Season · when survey operations happen here

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month of issue, all years in the archive

Timeline

Nearby now · within 120 nm

Worldwide now

73 survey operations in force · see all

Surveys

Hydrographic and scientific survey vessels, often towing long arrays. All current survey operations

Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.