Surveys
Scientific moorings established in: a. 73-18.23N 160-47.02W, top float 48 meters
Chukchi Sea · HYDROARC 298/18
- issued
- 2018-11-08 12:08Z
- status
- cancelled 2019-04-05 11:14Z (archive)
- authority
- NAVAREA XVII 120/18 081048Z NOV 18.
- position
- 73.977, -161.311
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
CHUKCHI SEA. DNC 27. CHART 16003. SCIENTIFIC MOORINGS ESTABLISHED IN: A. 73-18.23N 160-47.02W, TOP FLOAT 48 METERS. B. 74-39.02N 161-50.34W, TOP FLOAT 24 METERS.
This area · survey operations
47 within 180 nm since 2004 · 0 in the last 12 months · 1 in force now
04
05
10
15
20
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 mooring, top float 42 meters established in 75-06.02N 168-00.04W2024-02-24
- 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. 71-47.78N 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
J
F
M
A
M
J
J
A
S
O
N
D
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
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.