Surveys
A scientific mooring with a top float at 30 meters is established in Lancaster Sound, Canada, at 74-27.83N 090-32.81W.
Lancaster Sound · Canada · HYDROARC 240/23
- issued
- 2023-10-02 23:59Z
- status
- cancelled 2026-08-14 18:10Z (dropped from inforce)
- authority
- NAVAREA XVIII 82/23 022300Z OCT 23.
- position
- 74.464, -90.547
- source
- nga_json · first seen 2026-08-17 13:41Z
Original warning text
LANCASTER SOUND. CANADA. DNC 28. SCIENTIFIC MOORING, TOP FLOAT 30 METERS, ESTABLISHED IN 74-27.83N 090-32.81W.
This area · survey operations
7 within 180 nm since 2008 · 0 in the last 12 months · 0 in force now
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- Scientific mooring, top float 30 meters, established in 74-08.75N 091-02.83W2023-10-02
- Scientific moorings established: a. 74-36.37N 091-15.05W, top float 147 meters2022-09-23
- Nga chart 15863 (0 ed)2010-08-01
- Nga chart 15863 (0 ed)2010-07-04
- Bottom scientific moorings established: a. top float 117 meters 72-00.48N 094-38.74W2008-09-05
- Bottom scientific moorings established thru aug 09: a. top float 125 meters ACW07-1 in 76-32.057N 090-28.450W2008-09-05
Season · when survey operations happen here
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month of issue, all years in the archive
Nearby now · within 120 nm
- 13.6 meter depth reported in 74-38.63N 091-20.54WWrecks · 16.7 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.