Coast guard · Canada

Marine Communications and Traffic Services

Recorded as: MCTS

The Canadian Coast Guard's communications service, which broadcasts safety information and manages vessel traffic in Canadian waters.

Coast guards broadcast maritime safety information and coordinate rescue in their waters. Warnings under a coast guard's name cover distress cases, aids to navigation, security zones and operations it is running or supporting.

What the archive holds

88 messages in this archive record MCTS as their authority, issued from 2019-12-17 to 2024-02-21. None of them is in force in the latest lists we collected.

Other accounts for 35 of 88 recorded messages (40%), the largest warning type group in this selection.

Attributed to NAVAREAs, they fall mostly in NAVAREA IV (65) and NAVAREA XII (23).

Located messages lie in 7 sea areas, most often Hudson Bay, North Pacific Ocean and Davis Strait.

The largest yearly count is 2021, with 31 messages. Collection is incomplete between 2024-05 and 2026-08-17, so those years are not comparable.

Across all years its messages are issued most often in August and least often in May.

They reached this archive through NAVAREA IV (65) and NAVAREA XII (23).

Messages by year of issue

'19
'20
'21
'22
'23
'24

By month of issue, all years

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

Warning types

Where

NAVAREA IV 65 · NAVAREA XII 23

Most recently issued

  1. NAVAREA XII 91/24 · Other2024-02-21
    Cancel NAVAREA XII 88/24 and this msg, service restored
  2. NAVAREA XII 90/24 · Other2024-02-20
    Cancel NAVAREA XII 50/24 and this msg, station restored
  3. NAVAREA XII 88/24 · Nav aids · The Coastal Waters of Southeast Alaska and British Columbia2024-02-20
    NAVTEX station digby island (d) 54-17.85N 130-25.10W off air
  4. NAVAREA XII 50/24 · Nav aids · North Pacific Ocean2024-02-02
    NAVTEX station amphitrite point (h) 48-55.28N 125-32.38W off air
  5. NAVAREA IV 114/24 · Other2024-02-02
    Cancel NAVAREA IV 939/23 and this msg
  6. NAVAREA IV 1513/23 · Other2023-12-30
    Cancel NAVAREA IV 1198/23 and this msg
  7. NAVAREA XII 866/23 · Other2023-12-13
    Cancel NAVAREA XII 860/23 and this msg, station restored
  8. NAVAREA XII 865/23 · Other2023-12-13
    Cancel NAVAREA XII 861/23 and this msg, station restored

Earliest in the archive

  1. NAVAREA IV 1086/19 · Nav aids · Hudson Strait2019-12-17
    Mcts iqaluit remote station killenek 60-25N 064-50W mf and hf services off air

Other coast guards 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.

Marine Communications and Traffic Services — navigational warnings it issued · seahazards