Surveys
Scientific moorings established in: a. 71-18.16N 155-42.37W
Beaufort Sea · Chukchi Sea · Alaska · HYDROARC 157/23
- issued
- 2023-08-09 08:28Z
- status
- cancelled 2026-08-14 18:10Z (dropped from inforce)
- authority
- NAVAREA XVII 50/23 090741Z AUG 23.
- position
- 71.389, -156.089
- source
- nga_json · first seen 2026-08-17 13:41Z
Original warning text
BEAUFORT SEA. CHUKCHI SEA. ALASKA. DNC 27. SCIENTIFIC MOORINGS ESTABLISHED IN: A. 71-18.16N 155-42.37W. B. 71-22.90N 155-36.16W. C. 71-24.81N 156-26.47W. D. 71-27.43N 156-36.35W.
This area · survey operations
59 within 180 nm since 2004 · 0 in the last 12 months · 1 in force now
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- 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. 70-43.82N 160-22.05W2023-08-09
- 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
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.