Cable ops

Vessel SW BLY conducting seismic survey towing twelve 4.5 nm cables near 12-47S 127-35E, requesting 7 nm astern and 3 nm sides and ahead clearance.

Timor Sea · AUSCOAST 266/26

What this record establishes

Cancelled notice · 2026-09-25 02:08Z

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
Australian Maritime Safety Authority NAVAREA X + AUSCOAST (CC BY 4.0) · Australian Maritime Safety Authority — JRCC Australia (NAVAREA X coordinator). Issued 2026-08-05 09:49Z. First collected 2026-08-18 09:33Z; last seen in collection 2026-09-25 01:53Z. Collection dates record ingestion, not a new incident or a fresh field observation.
Location covered
Timor Sea. The parsed report position is -13.005, 128.181. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.

Current notices and reporting history in the Timor Sea →

issued
2026-08-05 09:49Z
status
Cancelled notice
authority
Australian Maritime Safety Authority — JRCC Australia (NAVAREA X coordinator)
NAVAREA
NAVAREA X
issued by
JRCC AUSTRALIA
sea
Timor Sea
position
-13.005, 128.181
nearest port
Wyndham · 147 nm
source
Australian Maritime Safety Authority NAVAREA X + AUSCOAST (CC BY 4.0) · first seen 2026-08-18 09:33Z

Original warning text

SPECIAL PURPOSE VESSEL SW BLY / C6ZD3 / 311052800 CONDUCTING SEISMIC SURVEY TOWING TWELVE 4.5 NM CABLES IN AN AREA BOUNDED:
12-47.76S 127-35.15E
12-38.08S 127-44.03E
12-38.27S 128-06.05E
13-18.37S 128-53.75E
13-38.87S 128-35.38E
CLEARANCE REQUESTED 7.0 NM ASTERN AND 3.0 NM ON SIDES AND AHEAD.

Reading this warning

Seismic survey
A survey that maps the rock beneath the seabed with sound pulses from air guns, recorded on streamers kilometres long.
Tow / towing
A vessel towing another vessel, a barge or a structure — slow, hard to manoeuvre, and with a long line between.
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.

All warning terms →

Collected reports in this area · cable & pipeline work

18 within 180 nm since 2000 · 1 in the last 12 months · 0 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

22 cable & pipeline work listed in force · see all

Record snapshot 2026-09-25 15:26Z; source collection times vary.

Cable ops

Cable laying, pipeline and seismic operations. All current cable & pipeline work →

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.