Surveys
Survey operations 050001Z to 112359Z apr by M/V littlehales in area between 23-41N 24-07N and 035-29E 035-57E
HYDROPAC 257/99
- issued
- 1999-04-02 07:40Z
- status
- cancelled 1999-04-12 00:00Z (archive)
- self-cancels
- 1999-04-12 00:59Z
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. SURVEY OPERATIONS 050001Z TO 112359Z APR BY M/V LITTLEHALES IN AREA BETWEEN 23-41N 24-07N AND 035-29E 035-57E. 2. CANCEL THIS MSG 120059Z APR.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 1999-04-05 00:01Z | 1999-04-11 23:59Z | — | 167 h 58 |
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.