Surveys
Survey operations 192359Z to 231500Z jul by M/V littlehales in area between 23-41N 24-07N and 035-29E 035-57E
HYDROPAC 640/99
- issued
- 1999-07-15 10:20Z
- status
- cancelled 1999-07-23 16:00Z (archive)
- self-cancels
- 1999-07-23 16:00Z
- authority
- NAVOCEANO DET 125 150820Z JUL 99
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. SURVEY OPERATIONS 192359Z TO 231500Z JUL BY M/V LITTLEHALES IN AREA BETWEEN 23-41N 24-07N AND 035-29E 035-57E. 2. CANCEL THIS MSG 231600Z JUL.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 1999-07-19 23:59Z | 1999-07-23 15:00Z | — | 87 h 01 |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
Nearby now · within 120 nm
Nothing else in force within 120 nm.
Worldwide now
84 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.