Other

Large navigation mark, red, adrift in 18-34.7S 117-20.2E at 162100UTC apr

Eastern Indian Ocean · Australia-northwest Coast · HYDROPAC 1658/19

issued
2019-05-16 23:56Z
status
cancelled 2019-05-19 23:56Z (archive)
self-cancels
2019-05-19 23:56Z
authority
SEA SAFETY 74/19 162248Z MAY 19.
position
-18.578, 117.337
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN INDIAN OCEAN.
AUSTRALIA-NORTHWEST COAST.
DNC 04.
1. LARGE NAVIGATION MARK, RED, ADRIFT IN
   18-34.7S 117-20.2E AT 162100UTC APR.
2. CANCEL THIS MSG 192356Z MAY 19.

This area · other warnings

29 within 180 nm since 2000 · 1 in the last 12 months · 1 in force now

00
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26

Season · when other warnings happen here

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Everything the classifier did not place elsewhere. All current other warnings

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.