Surveys
Underwater operations 240900Z jun to 120900Z jul by M/V atlantis with submersible alvin in area bound by…
Eastern North Pacific · California · NAVAREA XII 367/23
- issued
- 2023-06-19 09:10Z
- status
- cancelled 2023-07-12 10:00Z (archive)
- self-cancels
- 2023-07-12 10:00Z
- authority
- WHOI 0/23 061601Z JUN 23.
- position
- 34.254, -120.033
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
EASTERN NORTH PACIFIC. CALIFORNIA. 1. UNDERWATER OPERATIONS 240900Z JUN TO 120900Z JUL BY M/V ATLANTIS WITH SUBMERSIBLE ALVIN IN AREA BOUND BY 34-23.00N 120-04.00W, 34-23.00N 120-00.00W, 34-07.50N 120-00.00W, 34-07.50N 120-04.00W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 121000Z JUL 23.
This area · survey operations
23 within 180 nm since 2012 · 0 in the last 12 months · 0 in force now
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15
20
23
- California 1. underwater operation 280700Z to 282359Z jul by M/V atlantis in area within two miles of…2023-07-27
- Underwater operations by M/V atlantis and submersible alvin: a. 270700Z to 280001Z jul in area within two…2023-07-26
- Underwater operations by r/v atlantis and dsv alvin 0700Z to 2359Z daily: a. 16 jul in area within 2 miles…2023-07-11
- Underwater operations 081400Z to 090200Z dec by M/V rebekah and usv sea hunter in areas bound by: a.…2022-12-03
- Underwater operations 051500Z thru 210001Z nov by M/V sally ride in area bound by 29-50.76N 123-35.22W,…2022-11-02
- Underwater operations 141500Z to 292300Z aug by r/v bold horizon in area bound by 33-23.30N 124-19.40W,…2022-08-09
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
75 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.