Surveys
Underwater research operations during daylight hours 22 thru 26 nov by M/V shinkai 6500 and M/V yokosuka in…
HYDROPAC 1854/01
- issued
- 2001-11-17 08:40Z
- status
- cancelled 2001-11-27 00:00Z (archive)
- authority
- NAVAREA XI 776/01 POR EGC#1408 170804 NOV 01
- sea
- North Pacific Ocean
- position
- 24.900, 157.500 · r 15.0 nm
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER RESEARCH OPERATIONS DURING DAYLIGHT HOURS 22 THRU 26 NOV BY M/V SHINKAI 6500 AND M/V YOKOSUKA IN AREA WITHIN 15 MILES OF 24-54N 157-30E. 2. CANCEL THIS MSG 27 NOV.
This area · survey operations
4 within 180 nm since 2000 · 0 in the last 12 months · 0 in force now
00
05
10
15
17
- Underwater operations 01 thru 10 jun by M/V yokosuka with submersible in area bound by 21-20N 149-00E,…2017-05-29
- Survey operations 12 thru 30 aug by M/V shoyo towing 3000 meter long cable in area bound by 25-00N 153-00E,…2007-08-07
- Survey operations 10 thru 12 jan by M/V shoyo towing 3400 meter long cable vicinity of trackline between…2000-01-05
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
Nothing else in force 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.