Surveys

Survey operations 27 thru 31 aug by M/V syoyo towing 3400 meter long cable vicinity of trackline joining…

HYDROPAC 834/99

issued
1999-08-24 08:50Z
status
cancelled 1999-09-01 06:00Z (archive)
authority
NAVAREA XI 504/99 24080Z AUG 99
sea
North Pacific Ocean
position
22.732, 153.470
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. SURVEY OPERATIONS 27 THRU 31 AUG BY M/V SYOYO TOWING
   3400 METER LONG CABLE VICINITY OF TRACKLINE JOINING
   24-20N 154-10E, 23-00N 153-20E, 21-00N 153-10E.
2. CANCEL THIS MSG 01 SEP.

This area · survey operations

11 within 180 nm since 1999 · 1 in the last 12 months · 1 in force now

99
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26

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

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.