Surveys
Scientific moorings established in: a. 70-43.82N 160-22.05W
Chukchi Sea · Alaska · HYDROARC 156/23
- issued
- 2023-08-09 08:19Z
- status
- cancelled 2026-08-14 18:10Z (dropped from inforce)
- authority
- NAVAREA XVII 49/23 090719Z AUG 23.
- position
- 70.688, -160.227
- source
- nga_json · first seen 2026-08-17 13:41Z
Original warning text
CHUKCHI SEA. ALASKA. DNC 27. SCIENTIFIC MOORINGS ESTABLISHED IN: A. 70-43.82N 160-22.05W. B. 70-40.80N 160-12.69W. C. 70-39.28N 160-06.17W.
This area · survey operations
60 within 180 nm since 2004 · 0 in the last 12 months · 1 in force now
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24
- Scientific moorings established: a. BCE-24, in 71-40.40N 154-59.90W, at depth 108 meters, top float 20 meters2024-12-17
- Scientific moorings established in: a. 71-47.78N 155-20.81W, top float 15 meters2023-10-25
- Scientific moorings established in: a. 71-18.16N 155-42.37W2023-08-09
- Scientific moorings established in: a. 71-47.78N 155-20.81W, top float 15 meters2022-09-11
- Scientific moorings established: a. 71-47.78N 155-20.81W, top float 15 meters2022-09-02
- Scientific moorings established: a. 71-37.87N 157-19.58W, top float 65 meters2022-01-19
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.