Surveys
Underwater operations 24 may thru 09 jun by M/V yokosuka with submersible shinkai 6500 in areas bound by: a.…
Philippine Sea · Western North Pacific · Japan · HYDROPAC 1721/23
- issued
- 2023-05-23 12:05Z
- status
- cancelled 2023-06-10 00:01Z (archive)
- self-cancels
- 2023-06-10 00:01Z
- cancels
- HYDROPAC 1711/23
- authority
- NAVAREA XI 176/23 231138Z MAY 23.
- position
- 29.238, 143.773
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
PHILIPPINE SEA.
WESTERN NORTH PACIFIC.
JAPAN.
DNC 12.
1. UNDERWATER OPERATIONS 24 MAY THRU 09 JUN
BY M/V YOKOSUKA WITH SUBMERSIBLE
SHINKAI 6500 IN AREAS BOUND BY:
A. 27-30.00N 142-30.00E, 27-30.00N 144-30.00E,
29-00.00N 144-30.00E, 29-00.00N 142-30.00E.
B. 28-17.00N 140-31.00E, 28-17.00N 140-38.00E,
28-22.00N 140-38.00E, 28-22.00N 140-31.00E.
C. 29-00.00N 143-00.00E, 29-00.00N 145-00.00E,
31-00.00N 145-00.00E, 31-00.00N 143-00.00E.
D. 28-33.50N 140-38.00E, 28-33.50N 140-39.00E,
28-35.00N 140-39.00E, 28-35.00N 140-38.00E.
E. 27-38.00N 140-43.00E, 27-38.00N 140-53.00E,
27-43.00N 140-53.00E, 27-43.00N 140-43.00E.
F. 26-41.00N 141-04.00E, 26-41.00N 141-06.00E,
26-43.00N 141-06.00E, 26-43.00N 141-04.00E.
G. 23-03.00N 142-17.00E, 23-03.00N 142-23.00E,
23-08.00N 142-23.00E, 23-08.00N 142-17.00E.
WIDE BERTH REQUESTED.
2. CANCEL HYDROPAC 1711/23(GEN).
3. CANCEL THIS MSG 100001Z JUN 23.
This area · survey operations
31 within 180 nm since 2000 · 0 in the last 12 months · 0 in force now
00
05
10
15
20
24
- Underwater operations 04 thru 21 may by submersible shinkai 6500 and M/V yokosuka in area bound by 28-22.00N…2024-05-03
- Underwater operations 01 thru 07 mar by M/V yokosuka with submersible shinkai 6500 in areas bound by: a.…2024-02-29
- Underwater operations 20 oct thru 06 nov by shinkai 6500, mother ship and yokosuka in areas within three…2023-10-19
- Survey operations in progress until 27 nov by M/V kaimei, towing 12000 meter long cable in area bound by…2022-11-20
- Underwater operations 19 oct thru 05 nov by M/V yokosuka with submersible shinkai 6500 in areas bound by: a.…2022-10-18
- Underwater operations 23 may thru 08 jun by M/V yokosuka with submersible shinkai 6500 in areas bound by a.…2022-05-22
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
Timeline
- New zealand radiofax services off air 01 jul 23cancels · 2023-05-22
- New zealand radiofax services off air 01 jul 23replaced · 2023-05-22
Nearby now · within 120 nm
Nothing else in force within 120 nm.
Worldwide now
73 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.