Ice service · United States

International Ice Patrol

Recorded as: INTERNATIONAL ICE PATROL

The U.S. Coast Guard's iceberg patrol off the Grand Banks, set up in 1914 after the Titanic sank; recorded in NGA messages as COMINTICEPAT or IIP.

Ice services track icebergs and sea ice and publish the limits of known ice, which reach ships as navigational warnings during the ice season.

What the archive holds

434 messages in this archive record INTERNATIONAL ICE PATROL as their authority, issued from 1999-05-21 to 2024-05-05. None of them is in force in the latest lists we collected.

Icebergs accounts for 282 of 434 recorded messages (65%), the largest warning type group in this selection.

Attributed to NAVAREAs, they fall mostly in NAVAREA IV (271) and NAVAREA VI (1).

Located messages lie in 10 sea areas, most often North Atlantic Ocean, Labrador Sea and Davis Strait.

The largest yearly count is 2002, with 80 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 July and least often in January.

They reached this archive through NAVAREA IV (271), HYDROLANT (160), HYDROARC (2) and HYDROPAC (1).

Messages by year of issue

'99
'00
'01
'02
'03
'04
'05
'06
'07
'08
'09
'10
'11
'12
'13
'14
'15
'16
'17
'18
'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 271 · NAVAREA VI 1

Most recently issued

  1. NAVAREA IV 505/24 · Icebergs · Labrador Sea2024-05-04
    North american ice service (nais) iceberg bulletin 050001Z may
  2. NAVAREA IV 290/24 · Icebergs · Labrador Sea2024-03-15
    Icebergs reported on 15 mar in: a. 48-28.13N 052-29.34W
  3. NAVAREA IV 945/23 · Icebergs · Labrador Sea2023-08-22
    Iceberg reported in vicinity 48-10.20N 052-43.9W at 221200Z aug
  4. NAVAREA IV 506/23 · Other2023-05-07
    Cancel NAVAREA IV 505/23 and this msg
  5. NAVAREA IV 505/23 · Icebergs · Gulf of St. Lawrence2023-05-07
    Icebergs reported in: a. 46-52.20N 064-18.60W
  6. NAVAREA IV 298/23 · Icebergs · North Atlantic Ocean2023-03-16
    Iceberg reported in 46-33.20N 053-53.50W
  7. NAVAREA IV 243/23 · Icebergs · North Atlantic Ocean2023-03-06
    Iceberg reported in 47-49.40N 047-57.20W
  8. NAVAREA IV 1240/22 · Icebergs · Labrador Sea2022-11-22
    North american ice service (nais) iceberg bulletin 230001Z nov

Earliest in the archive

  1. NAVAREA IV 147/99 · Other · North Atlantic Ocean1999-05-20
    Radar target reported in 44-10.0N 048-59.0W at 201215Z may

Other ice services 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.