Surveys

Survey operations 220200Z to 250159Z jan by M/V ocean surveyor in area between 19-03.27S 19-06.43S and…

HYDROLANT 139/06

issued: 2006-01-22 14:23Z
status: cancelled 2005-01-25 02:59Z (archive)
cancels: HYDROLANT 104/06
authority: NAVAREA V 62/06 221232Z JAN 06.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. SURVEY OPERATIONS 220200Z TO 250159Z JAN
    BY M/V OCEAN SURVEYOR IN AREA BETWEEN
    19-03.27S 19-06.43S AND 039-38.74W 039-42.70W.
2. CANCEL HYDROLANT 104/06.
3. CANCEL THS MSG 250259Z JAN.

Activity windows · 1 in this warning

opens (UTC)	closes (UTC)	local	length
2006-01-22 02:00Z	2006-01-25 01:59Z	—	71 h 59

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.

Timeline

Survey operations 170200Z to 230159Z jan by M/V ocean surveyor in area between 19-03.27S 19-06.43S and…cancels · 2006-01-17
Survey operations 170200Z to 230159Z jan by M/V ocean surveyor in area between 19-03.27S 19-06.43S and…replaced · 2006-01-17

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.