Surveys

Scientific moorings established until 30 sep in: a. 12-15.60N 043-37.92E, at depth 390 meters

Gulf of Aden · HYDROPAC 729/19

What this record establishes

Archived notice · 2019-04-12 15:13Z

This notice comes from the historical archive. Its archived status does not establish when or how the reported situation ended.

Source and dates
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · NAVAREA IX 62/19 041500Z MAR 19.. Issued 2019-03-04 15:59Z. First collected 2026-08-17 13:38Z; last seen in collection 2026-08-17 15:46Z. Collection dates record ingestion, not a new incident or a fresh field observation.
Location covered
Gulf of Aden. The parsed report position is 12.367, 43.628. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.

Related notices and cancellation links

Current notices and reporting history in the Gulf of Aden →

issued
2019-03-04 15:59Z
status
Archived notice
authority
NAVAREA IX 62/19 041500Z MAR 19.
NAVAREA
NAVAREA IX · named as the source of this relay
sea
Gulf of Aden
position
12.367, 43.628
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

GULF OF ADEN.
DJIBOUTI.
DNC 10.
CHART 62090.
1. SCIENTIFIC MOORINGS ESTABLISHED
   UNTIL 30 SEP IN:
   A. 12-15.60N 043-37.92E, AT DEPTH 390 METERS.
   B. 12-28.43N 043-37.40E, AT DEPTH 350 METERS.
2. CANCEL THIS MSG 01 OCT 19.

Reading this warning

DNC (Digital Nautical Chart)
A reference to one of the regions of NGA's Digital Nautical Chart, used to tell the reader which charts a warning affects.
Chart reference
The number of the nautical chart on which the reported position lies.
Scientific mooring
Instruments anchored to the seabed and held up by floats, sometimes just below the surface, left for months to measure the ocean.
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.
CANCEL THIS MSG
The warning's own expiry: a line telling the reader when the message cancels itself.

All warning terms →

Collected reports in this area · survey operations

5 within 180 nm since 2007 · 0 in the last 12 months · 0 listed in force now

07
10
15
19

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

No other collected notice is currently listed in force within this radius. This does not establish safe conditions.

Worldwide in the collected sources

56 survey operations listed in force · see all

Record snapshot 2026-10-02 16:11Z; 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.