Surveys
Nga chart 16004 (12TH ed)
Alaska-north Coast · Beaufort Sea · HYDROARC 208/11
- issued
- 2011-10-13 23:14Z
- status
- cancelled 2012-10-02 00:01Z (archive)
- authority
- USCGC HEALY 131924Z OCT 11.
- sea
- Beaufort Sea
- position
- 71.395, -152.018
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
ALASKA-NORTH COAST. BEAUFORT SEA. NGA CHART 16004 (12TH ED). 1. SCIENTIFIC MOORING, TOP FLOAT 30 METERS, ESTABLISHED UNTIL 01 OCT 12 IN 71-23.720N 152-01.094W. 2. CANCEL THIS MSG 02 OCT 2012.
This area · survey operations
52 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. 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
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
86 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.