Naval command

CTG

Recorded as: CTG

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

Naval commands announce the areas and times of exercises, firings and other operations that other ships should avoid. The same areas are often used again and again, so the archive shows how regularly a range is active.

What the archive holds

285 messages in this archive record CTG as their authority, issued from 1999-05-18 to 2015-05-01. None of them is in force in the latest lists we collected.

Ordnance accounts for 229 of 285 recorded messages (80%), the largest warning type group in this selection.

Attributed to NAVAREAs, they fall mostly in NAVAREA IV (37), NAVAREA XII (15) and NAVAREA III (5).

Located messages lie in 19 sea areas, most often North Atlantic Ocean, North Pacific Ocean and Greenland Sea.

The largest yearly count is 2001, with 83 messages.

Across all years its messages are issued most often in June and least often in April.

They reached this archive through HYDROLANT (129), HYDROPAC (104), NAVAREA IV (37) and NAVAREA XII (15).

Messages by year of issue

'99
'00
'01
'02
'03
'04
'05
'06
'07
'08
'09
'10
'11
'12
'13
'14
'15

By month of issue, all years

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

Warning types

Where

NAVAREA IV 37 · NAVAREA XII 15 · NAVAREA III 5 · NAVAREA V 3 · NAVAREA XI 3 · NAVAREA VIII 1 · NAVAREA XV 1 · NAVAREA XVI 1

Most recently issued

  1. HYDROPAC 1467/15 · Ordnance2015-05-01
    Underwater ordnance detonations 021300Z to 021415Z may in area between 12-09N 12-00N and 044-30E 044-39E
  2. NAVAREA XII 168/11 · Ordnance · North Pacific Ocean2011-04-27
    Underwater ordnance detonations 282100Z to 300200Z apr within 30 miles of trackline joining 38-00N 125-00W,…
  3. NAVAREA XII 167/11 · Ordnance · North Pacific Ocean2011-04-27
    Underwater ordnance detonations 282100Z to 300200Z apr within 50 miles of trackline between 40-00-00N…
  4. NAVAREA XII 166/11 · Ordnance · North Pacific Ocean2011-04-27
    Underwater ordnance detonations 301500Z apr to 020300Z may within 30 miles of 43-30N 129-20W
  5. NAVAREA XII 37/11 · Ordnance · North Pacific Ocean2011-01-30
    Underwater ordnance detonations 312301Z jan to 052359Z feb in areas bound by: a. 23-56N 172-18W, 23-20N…
  6. HYDROPAC 35/11 · Ordnance2011-01-04
    Underwater ordnance detonations 0400Z to 1400Z daily 08 and 09 jan in area between 26-34.5N 26-40.2N and…
  7. HYDROPAC 2308/10 · Ordnance2010-10-30
    Underwater ordnance detonations 010500Z to 092059Z nov in area between 26-40N 27-10N and 050-30E 051-30E
  8. HYDROPAC 2273/10 · Ordnance · Gulf of Aden2010-10-28
    Bombing exercises 010001Z to 302359Z nov in areas: a. bound by 13-19N 047-01E, 13-23N 047-11E, 13-14N…

Earliest in the archive

  1. HYDROLANT 1005/99 · Ordnance · North Atlantic Ocean1999-05-18
    Underwater ordnance detonations 180001Z to 212359Z may in area bound by 66-30N 031-20W, 66-00N 028-40W,…

Other naval commands 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.

CTG — navigational warnings it issued · seahazards