index

HYDROLANT warnings in force as of 181224Z dec 20

HYDROLANT 3909/20

issued: 2020-12-18 12:47Z
status: cancelled 2020-12-25 11:46Z (archive)
cancels: HYDROLANT 3834/20 HYDROLANT 3895/20
authority: SFH 181247Z DEC 20.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROLANT WARNINGS IN FORCE AS OF 181224Z DEC 20.
   ONLY THOSE WARNINGS ISSUED DURING THE LAST SIX WEEKS
   ARE LISTED HEREIN.
   3908/20, 3907/20, 3906/20, 3905/20, 3904/20, 3903/20,
   3902/20, 3901/20, 3900/20, 3899/20, 3898/20, 3897/20,
   3896/20, 3889/20, 3888/20, 3887/20, 3886/20, 3884/20,
   3883/20, 3875/20, 3874/20, 3871/20, 3869/20, 3860/20,
   3852/20, 3835/20, 3832/20, 3806/20, 3801/20, 3780/20,
   3776/20, 3772/20, 3764/20, 3761/20, 3759/20, 3756/20,
   3755/20, 3753/20, 3750/20, 3739/20, 3730/20, 3729/20,
   3724/20, 3722/20, 3721/20, 3717/20, 3712/20, 3707/20,
   3706/20, 3705/20, 3694/20, 3677/20, 3674/20, 3672/20,
   3669/20, 3603/20, 3600/20, 3565/20, 3533/20, 3527/20,
   3430/20.
2. THE SUMMARY OF ALL HYDROLANT WARNINGS IN FORCE AS OF
   28 DEC 2019 IS GIVEN IN SEC III OF NTM 52/19.
   WARNINGS ISSUED DURING THE SUBSEQUENT QUARTERS ARE
   SUMMARIZED IN NTM 13/20, 26/20 AND 39/20.
3. THE COMPLETE TEXT OF ALL IN-FORCE HYDROLANT
   BROADCAST WARNINGS ARE AVAILABLE ON THE NGA
   MARITIME SAFETY INFORMATION WEBSITE AT:
   msi.nga.mil/NavWarnings.
   ALTERNATIVELY, THESE MAY BE REQUESTED BY E-MAIL
   FROM NGA AT [email protected].
4. CANCEL HYDROLANT 3834/20, 3895/20.

Timeline

HYDROLANT warnings in force as of 111400Z dec 20cancels · 2020-12-11
Survey operations in progress until 23 dec by M/V ramform titan towing 14 10000 meter long cables in area…cancels · 2020-12-16
HYDROLANT warnings in force as of 111400Z dec 20replaced · 2020-12-11
Survey operations in progress until 23 dec by M/V ramform titan towing 14 10000 meter long cables in area…replaced · 2020-12-16
HYDROLANT warnings in force as of 251145Z dec 20cancelled by · 2020-12-25

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

8 index warnings in force

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.