Surveys
Scientific moorings established: a. BCE-21, in 71-40.38N 154-59.98W, at depth 108 meters, top float 21 meters
Beaufort Sea · Alaska · HYDROARC 8/22
- issued
- 2022-01-17 14:55Z
- status
- cancelled 2022-03-25 11:51Z (archive)
- cancels
- HYDROARC 249/20
- authority
- MOTOYO 171456Z JAN 22.
- position
- 71.918, -155.233
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
BEAUFORT SEA.
ALASKA.
DNC 27.
1. SCIENTIFIC MOORINGS ESTABLISHED:
A. BCE-21, IN 71-40.38N 154-59.98W, AT DEPTH
108 METERS, TOP FLOAT 21 METERS.
B. BCC-21, IN 71-44.05N 155-09.78W, AT DEPTH
289 METERS, TOP FLOAT 24 METERS.
C. BCW-21, IN 71-47.77N 155-20.76W, AT DEPTH
171 METERS, TOP FLOAT 40 METERS.
D. NBC-21T, IN 72-28.18N 155-25.34W, AT DEPTH
1989 METERS, TOP FLOAT 33 METERS.
2. CANCEL HYDROARC 249/20.
This area · survey operations
61 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 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
J
F
M
A
M
J
J
A
S
O
N
D
month of issue, all years in the archive
Timeline
- Scientific moorings established: a. BCE-19, in 71-40.37N 154-59.92W, at depth 105 meters, top float 40 meterscancels · 2020-10-21
- Scientific moorings established: a. BCE-19, in 71-40.37N 154-59.92W, at depth 105 meters, top float 40 metersreplaced · 2020-10-21
- HYDROARC warnings in force as of 251148Z mar 22: 52/22, 51/22, 50/22, 42/22cancelled by · 2022-03-25
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.