Surveys
Scientific moorings established in: a. 68-08.94N 166-01.68W
Chukchi Sea · Alaska · HYDROARC 155/23
- issued
- 2023-08-09 08:14Z
- status
- cancelled 2026-08-14 18:10Z (dropped from inforce)
- authority
- NAVAREA XVII 48/23 090718Z AUG 23.
- position
- 68.248, -166.464
- source
- nga_json · first seen 2026-08-17 13:41Z
Original warning text
CHUKCHI SEA. ALASKA. DNC 27. SCIENTIFIC MOORINGS ESTABLISHED IN: A. 68-08.94N 166-01.68W. B. 68-20.82N 166-53.94W.
This area · survey operations
27 within 180 nm since 2005 · 0 in the last 12 months · 2 in force now
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25
- Scientific mooring, at depth seven meters, established in 66-19.56N 168-57.08W2025-07-14
- Scientific moorings, at depth 15 meters, established in: a. 65-46.86N 168-34.07W2025-07-14
- Oceanographic equipment at depth 44 meters, established in 66-38.78N 170-31.82W2023-09-09
- Scientific moorings established: a. A3-21, in 66-19.64N 168-56.99W, at depth 59 meters, top float seven meters2021-07-16
- Scientific moorings established: a. A3-19, in 66-19.60N 168-57.05W, at depth 57 meters, top float eight meters2020-10-21
- Scientific moorings established: a. A3-19, in 66-19.60N 168-57.05W, at depth 57 meters, top float eight meters2019-09-08
Season · when survey operations happen here
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month of issue, all years in the archive
Nearby now · within 120 nm
Nothing else in force 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.