Surveys
Underwater operations in progress until further notice by M/V jean charcot along trackline between 49-57N…
HYDROLANT 1621/99
- issued
- 1999-08-05 14:00Z
- status
- cancelled 1999-08-06 10:10Z (archive)
- cancels
- HYDROLANT 1457/99
- authority
- WZ 1396/99 051034Z AUG 99
- position
- 49.942, -10.633
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V JEAN CHARCOT ALONG TRACKLINE BETWEEN 49-57N 010-16W AND 49-56N 011-00W. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 1457/99.
This area · survey operations
270 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
99
00
05
10
15
20
23
- Survey operations in progress until 20 jul by M/V celtic explorer in vicinity of trackline joining 47-30.00N…2023-06-14
- Survey operations 072201Z to 112159Z jun by vessel nanoplon in area within one mile of 48-20.67N 008-22.08W2023-06-06
- Survey operations 19 thru 25 apr in area bound by 48-00.00N 009-29.00W, 48-00.00N 007-56.00W, 46-54.00N…2023-04-17
- Survey operations 27 oct thru 02 nov 22 along trackline joining 48-04.62N 009-30.35W, 47-27.00N 008-32.00W,…2022-10-25
- Survey operations 06 thru 11 oct by M/V beautemps-beaupre in areas bound by: a. 48-19.00N 006-30.00W,…2022-10-05
- Survey operations 11 thru 16 jan by M/V beautemps beaupre in area bound by 48-00N 009-29W, 46-54N 009-29W,…2022-01-10
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
Nearby now · within 120 nm
Nothing else in force within 120 nm.
Worldwide now
75 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.