Surveys
Sub-surface scientific moorings established in: a. 71-36.007N 161-30.011W, at depth 48 meters
Arctic · Chukchi Sea · HYDROARC 155/16
- issued
- 2016-08-04 21:43Z
- status
- cancelled 2019-04-05 11:14Z (archive)
- authority
- USCGC HEALY 042121Z AUG 16.
- position
- 71.600, -161.514
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
ARCTIC. CHUKCHI SEA. DNC 27. CHART 16005. SUB-SURFACE SCIENTIFIC MOORINGS ESTABLISHED IN: A. 71-36.007N 161-30.011W, AT DEPTH 48 METERS. B. 71-35.986N 161-31.653W, AT DEPTH 48 METERS.
This area · survey operations
51 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 mooring, top float 35 meters, established in 74-31.38N 161-56.54W2023-10-25
- 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
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
- HYDROARC warnings in force as of 051036Z apr 19: 49/19, 47/19, 46/19, 41/19, 37/19, 35/19, 18/19cancelled by · 2019-04-05
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.