Surveys

Underwater operations 30 mar until further notice by M/V liam j mcall in area bound by 08-37.80N 057-45.97W,…

Western North Atlantic · Guyana · NAVAREA IV 246/18

issued
2018-03-23 19:46Z
status
cancelled 2018-09-07 11:13Z (archive)
authority
GUYANA 5/18 231928Z MAR 18.
position
8.625, -57.762
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN NORTH ATLANTIC.
GUYANA.
UNDERWATER OPERATIONS 30 MAR UNTIL FURTHER NOTICE
BY M/V LIAM J MCALL IN AREA BOUND BY
08-37.80N 057-45.97W, 08-37.80N 057-45.45W,
08-37.26N 057-45.45W, 08-37.26N 057-46.00W.
WIDE BERTH REQUESTED.

This area · survey operations

300 within 180 nm since 2002 · 13 in the last 12 months · 14 in force now

02
05
10
15
20
25
26

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

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.