Surveys

Scientific mooring, top float 15 meters below surface, established in: a. 67-40.09N 107-57.28W

Coronation Gulf · Canada · HYDROARC 228/22

issued
2022-08-21 05:03Z
status
cancelled 2026-08-14 18:10Z (dropped from inforce)
authority
NAVAREA XVIII 71/22 210402Z AUG 22.
position
67.670, -107.960
source
nga_json · first seen 2026-08-17 13:41Z

Original warning text

CORONATION GULF.
CANADA.
DNC 28.
SCIENTIFIC MOORING, TOP FLOAT 15 METERS BELOW
SURFACE, ESTABLISHED IN:
A. 67-40.09N 107-57.28W.
B. 67-40.36N 107-57.86W.

This area · survey operations

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

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22

Season · when survey operations happen here

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month of issue, all years in the archive

Nearby now · within 120 nm

Nothing else in force 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.