Surveys

Survey operations 13 thru 21 dec by M/V hakurei maru 2 towing 3000 meter long cable in area bound by 34-10N…

HYDROPAC 1366/99

issued
1999-12-08 09:30Z
status
cancelled 1999-12-22 06:00Z (archive)
authority
NAVAREA XI 729/99 080806Z DEC 99
sea
Philippine Sea
position
28.471, 140.037
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. SURVEY OPERATIONS 13 THRU 21 DEC BY M/V HAKUREI MARU 2
   TOWING 3000 METER LONG CABLE IN AREA BOUND BY
   34-10N 136-57E, 34-42N 140-05E,
   22-30N 143-00E, 22-00N 140-15E.
2. CANCEL THIS MSG 22 DEC.

This area · survey operations

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

99
00
05
10
15
20
24

Season · when survey operations happen here

J
F
M
A
M
J
J
A
S
O
N
D

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.