Surveys
Massachusetts to puerto rico
Western North Atlantic · NAVAREA IV 637/22
- issued
- 2022-07-04 17:11Z
- status
- cancelled 2022-07-24 05:00Z (archive)
- self-cancels
- 2022-07-24 05:00Z
- cancels
- NAVAREA IV 628/22
- authority
- WHOI 0/22 041601Z JUL 22.
- sea
- North Atlantic Ocean
- position
- 19.692, -66.050
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN NORTH ATLANTIC.
MASSACHUSETTS TO PUERTO RICO.
1. UNDERWATER OPERATIONS BY M/V ATLANTIS
WITH SUBMERSIBLE ALVIN:
A. 060400Z TO 070400Z JUL IN AREA WITHIN
SEVEN MILES OF 40-02.60N 069-02.20W.
B. 070400Z TO 080400Z JUL IN AREA WITHIN
EIGHT MILES OF 39-52.40N 069-03.50W.
C. 080400Z TO 090400Z JUL IN AREA WITHIN
FIVE MILES OF 39-38.70N 068-48.30W.
D. 090400Z TO 100400Z JUL IN AREA WITHIN
FIVE MILES OF 38-42.80N 069-06.10W.
E. 100400Z TO 110400Z JUL IN AREA WITHIN
TEN MILES OF 37-35.99N 068-35.00W.
F. 110400Z TO 120400Z JUL IN AREA WITHIN
TEN MILES OF 32-33.99N 067-05.00W.
G. 120400Z TO 130400Z JUL IN AREA WITHIN
TEN MILES OF 27-29.49N 066-37.20W.
H. 130400Z TO 240400Z JUL IN AREA WITHIN
60 MILES OF 19-37.81N 066-03.00W.
2. CANCEL NAVAREA IV 628/22.
3. CANCEL THIS MSG 240500Z JUL 22.
Activity windows · 8 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2022-07-06 04:00Z | 2022-07-07 04:00Z | — | 24 h |
| 2022-07-07 04:00Z | 2022-07-08 04:00Z | — | 24 h |
| 2022-07-08 04:00Z | 2022-07-09 04:00Z | — | 24 h |
| 2022-07-09 04:00Z | 2022-07-10 04:00Z | — | 24 h |
| 2022-07-10 04:00Z | 2022-07-11 04:00Z | — | 24 h |
| 2022-07-11 04:00Z | 2022-07-12 04:00Z | — | 24 h |
| 2022-07-12 04:00Z | 2022-07-13 04:00Z | — | 24 h |
| 2022-07-13 04:00Z | 2022-07-24 04:00Z | — | 264 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
This area · survey operations
6 within 180 nm since 2015 · 0 in the last 12 months · 0 in force now
15
20
23
- 600 meter orange buoyed scientific float established until 272200Z jun in area bound by 18-16.93N…2023-06-27
- Underwater operations by r/v atlantis 0400Z to 0359Z daily: a. 06 and 07 jul in area within five miles of…2022-07-03
- Massachusetts to puerto rico2022-07-01
- Survey operations 110400Z to 180500Z nov by M/V atlantis with submersible alvin in area within 110 miles of…2021-11-09
- Bottom scientific moorings, extending 1000 to 4000 meters above sea floor, established until 04 jul in: a.…2015-02-02
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
Timeline
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.