Exercises

Hazardous operations

Western Mediterranean Sea · HYDROLANT 708/10

issued: 2010-04-23 12:53Z
status: cancelled 2010-05-02 23:00Z (archive)
self-cancels: 2010-05-02 23:00Z
cancels: HYDROLANT 643/10
authority: NAVAREA III 115/10 230953Z APR 10 - NAVAREA III 112/10 230736Z APR 10.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN MEDITERRANEAN SEA.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS 0400Z TO 2200Z DAILY
   25 APR THRU 02 MAY IN AREA BETWEEN
   35-30N 36-00N AND 003-20W 004-47W.
2. CANCEL HYDROLANT 643/10(55).
3. CANCEL THIS MSG 022300Z MAY.

Activity windows · 8 in this warning

opens (UTC)	closes (UTC)	local	length
2010-04-25 04:00Z	2010-04-25 22:00Z	—	18 h
2010-04-26 04:00Z	2010-04-26 22:00Z	—	18 h
2010-04-27 04:00Z	2010-04-27 22:00Z	—	18 h
2010-04-28 04:00Z	2010-04-28 22:00Z	—	18 h
2010-04-29 04:00Z	2010-04-29 22:00Z	—	18 h
2010-04-30 04:00Z	2010-04-30 22:00Z	—	18 h
2010-05-01 04:00Z	2010-05-01 22:00Z	—	18 h
2010-05-02 04:00Z	2010-05-02 22:00Z	—	18 h

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 in progress until 08 may by M/V maria s merian in area between 41-21N 42-00N and 029-02E…cancels · 2010-04-14
Survey operations in progress until 08 may by M/V maria s merian in area between 41-21N 42-00N and 029-02E…replaced · 2010-04-14

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

35 military exercises in force · see all

Exercises

Gunnery, firing and naval exercise areas. All current military exercises →

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.