Surveys

Underwater operations 052000Z to 172000Z aug by submersible alvin and vessel atlantis in area within 60…

Western Caribbean Sea · Cayman Islands · NAVAREA IV 757/22

issued: 2022-08-02 21:25Z
status: cancelled 2022-08-17 21:00Z (archive)
self-cancels: 2022-08-17 21:00Z
authority: WHOI 0/22 021902Z AUG 22.
position: 18.500, -81.500 · r 60.0 nm
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN CARIBBEAN SEA.
CAYMAN ISLANDS.
1. UNDERWATER OPERATIONS 052000Z TO 172000Z AUG
   BY SUBMERSIBLE ALVIN AND VESSEL ATLANTIS
   IN AREA WITHIN 60 MILES OF 18-30.00N 081-30.00W.
2. CANCEL THIS MSG 172100Z AUG 22.

This area · survey operations

2 within 180 nm since 2022 · 1 in the last 12 months · 1 in force now

Underwater operations 020800Z thru 180800Z aug by M/V atlantis and submersible alvin in area within 100…2026-07-31

Season · when survey operations happen here

month of issue, all years in the archive

Nearby now · within 120 nm

Underwater operations 020800Z thru 180800Z aug by M/V atlantis and submersible alvin in area within 100…Surveys · 17.6 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.