Surveys
Underwater operations by M/V robert gordan sproul with four submersibles: a. 08 thru 10 feb along trackline…
Eastern North Pacific · California · NAVAREA XII 60/18
- issued
- 2018-02-03 04:23Z
- status
- cancelled 2018-02-09 14:56Z (archive)
- authority
- JOHNS HOPKINS UNIVERSITY APL 221208Z JAN 18.
- sea
- North Pacific Ocean
- position
- 32.450, -117.521
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
EASTERN NORTH PACIFIC.
CALIFORNIA.
1. UNDERWATER OPERATIONS BY M/V ROBERT GORDAN SPROUL
WITH FOUR SUBMERSIBLES:
A. 08 THRU 10 FEB ALONG TRACKLINE BETWEEN
32-37-30N 117-20-00W AND 32-16-30N 117-42-30W.
B. 11 THRU 17 FEB IN AREA BETWEEN
32-14-00N 32-19-00N AND 117-45-00W 117-40-00W.
C. 18 THRU 20 FEB ALONG TRACKLINE BETWEEN
32-16-30N 117-42-30W AND 32-37-30N 117-20-00W.
WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 21 FEB 18.
This area · survey operations
13 within 180 nm since 2012 · 0 in the last 12 months · 0 in force now
12
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 240900Z jun to 120900Z jul by M/V atlantis with submersible alvin in area bound by…2023-06-19
- Underwater operations 081400Z to 090200Z dec by M/V rebekah and usv sea hunter in areas bound by: a.…2022-12-03
- Underwater operations 170500Z jul until further notice by c/s ile de sein in 33-31.9N 118-21.0W2021-07-17
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
- Cancel NAVAREA XII 60/18 and this msg, operations canceledcancelled by · 2018-02-09
Nearby now · within 120 nm
- Coronado island south light 32-23.5N 117-14.5W unlitNav aids · 14.6 nm
- Hazardous operations 191500Z to 202300Z aug in area within two miles of 32-35.87N 117-10.87WExercises · 19.4 nm
- Hazardous operations 010800Z aug to 010800Z sep in area bound by 32-33.00N 118-25.00W, 32-35.00N 118-16.00W,…Exercises · 29 nm
- Hazardous operations 010800Z aug to 010800Z sep in area bound by 32-55.00N 118-25.00W, 32-55.00N 118-15.00W,…Exercises · 48.4 nm
- Hazardous operations 010800Z aug to 010800Z sep in area bound by 32-52.70N 119-11.96W, 33-08.06N 118-52.09W,…Exercises · 72.1 nm
- Hazardous operations, rocket launching: a. 152152Z to 160215Z aug, alternate 162138Z to 170201Z, 172124Z to…Missiles · 117.5 nm
Worldwide now
84 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.