Surveys
Underwater operations in progress until further notice by M/V toisa crest vicinity of trackline between…
HYDROLANT 1857/00
- issued
- 2000-05-22 17:45Z
- status
- cancelled 2000-05-24 09:40Z (archive)
- cancels
- HYDROLANT 1809/00
- authority
- WZ 974/00 221614Z MAY 00; WZ 976/00 221646Z MAY 00
- sea
- North Sea
- position
- 59.558, -1.500
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V TOISA CREST VICINITY OF TRACKLINE BETWEEN 59-13N 001-00E AND 59-54N 004-00W. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 1809/00(35,36), OPERATIONS COMPLETED.
This area · survey operations
144 within 180 nm since 1999 · 3 in the last 12 months · 3 in force now
99
00
05
10
15
20
25
26
- Survey operations in progress until further notice by M/V ramform hyperion towing ten 2740 meter long cables2026-08-03
- Survey operations in progress until further notice by M/V amazon conqueror towing eight 1609 meter long…2026-07-31
- Survey operations in progress until further notice by M/V ramform atlas towing 17 3600 meter long cables in…2026-07-03
- Survey operations in progress until further notice by M/V kommandor towing 1300 meter long cables in area…2023-09-17
- Survey operations 17 jul until further notice by M/V ramform vanguard towing 17 4200 meter long cables in…2023-07-16
- Survey operations in progress until further notice by M/V ramform victory in area bound by 60-22.10N…2023-06-09
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
- Underwater operations in progress until further notice by M/V mirfak vicinity of trackline between 50-24N…cancels · 2000-05-19
- Underwater operations in progress until further notice by M/V mirfak vicinity of trackline between 50-24N…replaced · 2000-05-19
- Underwater operations in progress until further notice by M/V highland fortress vicinity: a. 51-54.5N…cancelled by · 2000-05-24
Nearby now · within 120 nm
- Noup head light 59-19.90N 003-04.20W range reduced to 12 milesNav aids · 49.8 nm
- Survey operations in progress until further notice by M/V amazon conqueror towing eight 1609 meter long…Surveys · 111.6 nm
- Survey operations in progress until further notice by M/V ramform hyperion towing ten 2740 meter long cablesSurveys · 118.1 nm
Worldwide now
86 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.