Surveys

Scientific mooring TU-1 76-00.00N 160-10.00W removed

Arctic · Beaufort Sea · Chukchi Sea · HYDROARC 205/16

issued: 2016-09-04 13:47Z
status: cancelled 2019-04-05 11:14Z (archive)
cancels: HYDROARC 160/12
authority: NOTSHIP A 90/16 041303Z SEP 16.
position: 75.749, -150.037
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

ARCTIC.
BEAUFORT SEA.
CHUKCHI SEA.
CHART 803.
DNC 27.
1. SCIENTIFIC MOORING TU-1 76-00.00N 160-10.00W REMOVED.
2. SCIENTIFIC MOORINGS, TOP FLOAT 30 METERS, REMAIN:
   A. BGOS-A 75-00.01N 150-00.00W, AT DEPTH 3826 METERS.
   B. BGOS-D 73-59.64N 139-58.95W, AT DEPTH 3504 METERS.
   C. BGOS-B 77-59.99N 150-00.00W, AT DEPTH 3824 METERS.
3. CANCEL HYDROARC 160/12.

This area · survey operations

12 within 180 nm since 2006 · 0 in the last 12 months · 0 in force now

Scientific moorings established: a. 75-10.91N 157-07.14W2020-10-19
B. bgos-d 73-59.64N 139-58.95W, at depth 3504 meters2012-09-06
B. 73-48.733N 157-29.209W, at depth 3751 meters2012-08-29
Nga chart 803 (1ST ed)2011-08-14
Scientific mooring, top float 50 meters, established in 77-59.58N 149-57.87W2010-07-03
Nga chart 803 (1ST ed)2010-07-02

Season · when survey operations happen here

month of issue, all years in the archive

Timeline

B. bgos-d 73-59.64N 139-58.95W, at depth 3504 meterscancels · 2012-09-06
B. bgos-d 73-59.64N 139-58.95W, at depth 3504 metersreplaced · 2012-09-06
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.