Surveys
Underwater operations in progress until further notice by M/V ferrell in 31-23N 080-53W
NAVAREA IV 253/99
- issued
- 1999-07-26 17:27Z
- status
- cancelled 1999-09-10 09:05Z (archive)
- authority
- CCGD SEVEN BNM 582/99 261610Z JUL 99
- position
- 31.383, -80.883
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V FERRELL IN 31-23N 080-53W. WIDE BERTH REQUESTED.
This area · survey operations
3 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
99
00
05
10
15
20
22
Season · when survey operations happen here
J
F
M
A
M
J
J
A
S
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month of issue, all years in the archive
Timeline
- NAVAREA IV messages in force 100800Z sep 1999cancelled by · 1999-09-10
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.