Incidents · medical

Sick crewman on board M/V mykonos requiring medical assistance in 29-36S 020-43W at 100915Z dec

South Atlantic Ocean · HYDROLANT 2675/99

What this record establishes

Archived notice · 1999-12-10 16:45Z

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) · RCC PIRAEUS 101010Z DEC 99; NAVAREA III 524/99, 525/99, 526/99. Issued 1999-12-10 10:50Z. 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
South Atlantic Ocean. The parsed report position is -29.600, -20.717. 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 South Atlantic Ocean →

issued
1999-12-10 10:50Z
status
Archived notice
authority
RCC PIRAEUS 101010Z DEC 99; NAVAREA III 524/99, 525/99, 526/99
NAVAREA
NAVAREA III · named as the source of this relay
issued by
RCC PIRAEUS
sea
South Atlantic Ocean
position
-29.600, -20.717
vessel
M/V MYKONOS REQUIRING MEDICAL
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

1. SICK CREWMAN ON BOARD M/V MYKONOS REQUIRING MEDICAL ASSISTANCE IN
   29-36S 020-43W AT 100915Z DEC. VESSELS IN VICINITY WITH DOCTOR
   ON BOARD REQUESTED TO CONTACT VESSEL, INMARSAT-A: 871 1271277 OR
   INMARSAT-C: 424820210=MYKN OR REPORT TO RCC PIRAEUS.
2. CANCEL HYDROLANT 2303/99(53), 2305(56), 2312/99(54).

Reading this warning

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.
Date-time group (DTG)
A compact UTC timestamp — day, hour and minute followed by Z — such as 201500Z for the 20th at 15:00 UTC.
Inmarsat-C / SafetyNET
The satellite system that carries NAVAREA warnings to ships at sea, and the terminal number rescue centres give for reports.
RCC / JRCC (Rescue Coordination Centre)
The centre that organises search and rescue in its region; warnings ask ships to send their reports there.
Cancellation reference
A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
HYDROLANT
The U.S. long-range warning series for Atlantic waters outside NAVAREA IV, including the eastern Atlantic, the Mediterranean and adjoining seas.

All warning terms →

Collected reports in this area · distress & casualty cases (archived)

3 within 180 nm since 1999 · 0 in the last 12 months · 0 listed in force now

99
00
05
10
15
20
22

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

0 distress & casualty cases (archived) listed in force · see all

Record snapshot 2026-10-02 10:13Z; source collection times vary.

Incidents

Search-and-rescue broadcasts, published only once a case has been closed for 30 days: groundings, sinkings, capsizes, fires, man overboard, overdue vessels. Nothing here is live. All current distress & casualty cases (archived) →

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.