Surveys

Nga chart 15880 (0 ed)

Canada-north Coast · Simpson Strait · HYDROARC 66/10

issued: 2010-08-19 03:36Z
status: cancelled 2010-10-15 12:32Z (archive)
authority: NAVAREA XVIII 66/10 182307Z AUG 10.
sea: The Northwestern Passages
position: 68.573, -97.672
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

CANADA-NORTH COAST.
SIMPSON STRAIT.
NGA CHART 15880 (0 ED).
SCIENTIFIC MOORING TEMPORARILY ESTABLISHED
IN 68-34.37N 097-40.33W.

This area · survey operations

17 within 180 nm since 2008 · 0 in the last 12 months · 0 in force now

Sub-surface scientific moorings established: a. 68-39.32N 103-00.52W, top float four meters2022-08-24
Scientific mooring, top float three meters above sea floor, established in 68-48.92N 105-06.56W2022-08-22
Scientific mooring, top float seven meters above sea floor, established in 68-55.92N 105-49.71W2022-08-22
Scientific mooring established in 69-56.79N 097-54.58W2015-08-28
Victoria Strait2012-08-29
Victoria Strait2012-08-28

Season · when survey operations happen here

month of issue, all years in the archive

Timeline

Cancel HYDROARC 66/10 and this msg, mooring removedcancelled by · 2010-10-15

Nearby now · within 120 nm

Nothing else in force 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.