Surveys

Underwater operations 11 thru 18 and 24 thru 28 dec by M/V kairei towing 6000 meter long cable vicinity of…

Western North Pacific · Japan · HYDROPAC 2729/10

issued: 2010-12-10 08:36Z
status: cancelled 2010-12-29 00:01Z (archive)
authority: NAVAREA XI 951/10 100744Z DEC 10.
sea: Philippine Sea
position: 28.934, 140.610
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN NORTH PACIFIC.
JAPAN.
1. UNDERWATER OPERATIONS 11 THRU 18 AND
   24 THRU 28 DEC BY M/V KAIREI TOWING
   6000 METER LONG CABLE VICINITY OF
   TRACKLINES BETWEEN:
   A. 33-38.9N 140-11.5E AND 26-35.9N 141-12.5E.
   B. 26-49.7N 141-15.8E AND 27-49.3N 138-42.9E.
   C. 27-38.8N 138-30.6E AND 28-29.9N 143-09.3E.
2. CANCEL THIS MSG 29 DEC.

This area · survey operations

53 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now

Season · when survey operations happen here

month of issue, all years in the archive

Nearby now · within 120 nm

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Discoloured water observedVolcanic · 103.8 nm

Worldwide now

83 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.