Surveys

Underwater operations by the vessel Fugro Kwilena are in progress in the eastern Indian Ocean off Australia, requesting a two mile berth.

Indian Ocean · HYDROPAC 2741/26

What this record establishes

Cancelled notice · 2026-09-23 14:45Z

This notice disappeared from the issuing source's in-force list. No explicit recovery or all-clear is established by that removal.

Source and dates
NGA MSI in-force warnings (DailyMem*.txt). Issued 2026-09-22 08:12Z. First collected 2026-09-23 15:02Z; last seen in collection 2026-09-24 11:47Z. Collection dates record ingestion, not a new incident or a fresh field observation.
Location covered
Indian Ocean. The map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.

Current notices and reporting history in the Indian Ocean

issued
2026-09-22 08:12Z
status
Cancelled notice
sea
Indian Ocean
position
-20.460, 115.719
vessel
M/V FUGRO KWILENA · 9 messages
source
NGA MSI in-force warnings (DailyMem*.txt) · first seen 2026-09-23 15:02Z

Original warning text

EASTERN INDIAN OCEAN.
AUSTRALIA.
1. UNDERWATER OPERATIONS IN PROGRESS
   UNTIL FURTHER NOTICE BY M/V FUGRO KWILENA
   IN AREA BOUND BY
   20-19.72S 115-42.52E, 20-35.47S 115-42.52E,
   20-35.47S 115-43.80E, 20-19.72S 115-43.80E.
   TWO MILE BERTH REQUESTED.
2. CANCEL HYDROPAC 2373/26.

Reading this warning

Underwater operations
Divers or remotely operated vehicles are working below a vessel that cannot easily move out of the way.
Until further notice
The operation or danger has no scheduled end; the warning stays in force until a later message cancels it.
Area bound by
Introduces a list of positions that are the corners of an area — the polygon the warning applies to.
Position (degrees and minutes)
How warnings write positions: degrees, a hyphen, then minutes, with N/S and E/W — 49-40.8N 003-43.8W.
Wide berth requested
Keep well clear — or, when a distance is given ("TWO MILE BERTH REQUESTED"), at least that far away.
Cancellation reference
A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
HYDROPAC
The U.S. long-range warning series for the Pacific outside NAVAREA XII and for the Indian Ocean, Persian Gulf and adjoining seas.

All warning terms →

Collected reports in this area · survey operations

215 within 180 nm since 2000 · 25 in the last 12 months · 4 listed in force now

00
05
10
15
20
25
26

Counts include repeat notices about the same situation. NGA archive coverage ends 2024-05; live collection began 2026-08-17. The period between them is incomplete. An empty year is not evidence that no hazards occurred.

Month of issue in the collected archive

J
F
M
A
M
J
J
A
S
O
N
D

All available years combined. Uneven collection and repeat bulletins affect these counts; this chart does not measure the seasonality or probability of incidents.

Nearby notices listed in force · within 120 nm

Worldwide in the collected sources

51 survey operations listed in force · see all

Record snapshot 2026-09-24 11:54Z; source collection times vary.

Surveys

Hydrographic and scientific survey vessels, often towing long arrays. All current survey operations

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.