Surveys

Nga chart 38580 (8TH ed)

Labrador Sea · Greenland-southwest Coast · NAVAREA IV 174/11

issued
2011-05-20 11:54Z
status
cancelled 2012-06-01 00:01Z (archive)
authority
RICK BOYCE 181537Z MAY 11.
sea
Davis Strait
position
60.245, -48.586
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

LABRADOR SEA.
GREENLAND-SOUTHWEST COAST.
NGA CHART 38580 (8TH ED).
1. SCIENTIFIC MOORING M1798, TOP FLOAT 150 METERS,
   ESTABLISHED IN 60-14.71N 048-35.13W.
2. CANCEL THIS MSG 01 JUN 12.

This area · survey operations

1 within 180 nm since 2011 · 0 in the last 12 months · 0 in force now

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

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.