Surveys
Scientific moorings established in: a. 71-47.78N 155-20.81W, top float 15 meters
Beaufort Sea · Alaska · HYDROARC 270/23
- issued
- 2023-10-25 06:42Z
- status
- cancelled 2026-08-14 18:10Z (dropped from inforce)
- cancels
- HYDROARC 271/22
- authority
- NAVAREA XVII 78/23 250604Z OCT 23.
- position
- 71.735, -155.170
- source
- nga_json · first seen 2026-08-17 13:41Z
Original warning text
BEAUFORT SEA. ALASKA. DNC 27. 1. SCIENTIFIC MOORINGS ESTABLISHED IN: A. 71-47.78N 155-20.81W, TOP FLOAT 15 METERS. B. 71-44.07N 155-09.83W, TOP FLOAT 20 METERS. C. 71-40.38N 154-59.98W, TOP FLOAT 19 METERS. 2. CANCEL HYDROARC 271/22.
This area · survey operations
60 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. 71-18.16N 155-42.37W2023-08-09
- 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
Timeline
- Scientific moorings established in: a. 71-47.78N 155-20.81W, top float 15 meterscancels · 2022-09-11
- Scientific moorings established in: a. 71-47.78N 155-20.81W, top float 15 metersreplaced · 2022-09-11
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.