Other issuer

THALASSA

Recorded as: THALASSA

The name suggests a other issuer; seahazards has not verified who this issuer is. What follows is what the messages recorded under this name show.

The name recorded with these warnings does not identify the kind of issuer on its own. The messages below show what it reports.

What the archive holds

30 messages in this archive record THALASSA as their authority, issued from 2012-08-22 to 2020-08-15. None of them is in force in the latest lists we collected.

Surveys accounts for 30 of 30 recorded messages (100%), the largest warning type group in this selection.

All of those that can be attributed to a NAVAREA belong to NAVAREA IV.

Located messages lie in 1 sea area, most often North Atlantic Ocean.

They reached this archive through NAVAREA IV (26) and HYDROLANT (4).

Messages by year of issue

'12
'13
'14
'15
'16
'17
'18
'19
'20

By month of issue, all years

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Warning types

Where

NAVAREA IV 26

Most recently issued

  1. NAVAREA IV 752/20 · Surveys2020-08-14
    Survey operations 04 thru 11 sep by M/V thalassa in: a. 36-15.30N 29-19.90W
  2. HYDROLANT 2518/20 · Surveys2020-08-14
    Survey operations 04 thru 11 sep by M/V thalassa in: a. 36-15.30N 29-19.90W
  3. NAVAREA IV 438/16 · Surveys · North Atlantic Ocean2016-06-06
    Underwater operations 10 thru 23 jun by M/V thalassa within four miles of: a. 37-04.85N 031-55.18W
  4. HYDROLANT 1381/16 · Surveys · North Atlantic Ocean2016-06-06
    Underwater operations 10 thru 23 jun by M/V thalassa within four miles of: a. 37-04.85N 031-55.18W
  5. NAVAREA IV 535/15 · Surveys · North Atlantic Ocean2015-07-03
    Hydrographic survey by M/V thalassa: a. 03 jul along trackline between 54-10N 035-05W and 52-00N 035-05W
  6. NAVAREA IV 530/15 · Surveys · North Atlantic Ocean2015-07-02
    Hydrographic survey by M/V thalassa: a. 02 jul along trackline between 55-48N 034-49W and 54-10N 035-05W
  7. NAVAREA IV 526/15 · Surveys · North Atlantic Ocean2015-07-01
    Hydrographic survey by M/V thalassa: a. 01 jul along trackline between 56-24N 034-01W and 55-48N 034-49W
  8. NAVAREA IV 523/15 · Surveys · North Atlantic Ocean2015-06-30
    Hydrographic survey by M/V thalassa: a. 30 jun along trackline between 56-51N 033-29W and 56-24N 034-01W

Earliest in the archive

  1. NAVAREA IV 466/12 · Surveys2012-08-22
    Oceanographic operations 24 and 25 aug by M/V thalassa in area between 25-00N 27-00N and 035-00W 037-00W 2.…

Other other issuers in NAVAREA IV

Counts are messages recording this issuer as their authority, recounted 2026-09-24; see coverage for what is collected. Not for navigation.

THALASSA — navigational warnings it issued · seahazards