Derelict helicopter, blue with yellow floats, adrift in vicinity 36-02.38N 004-40.30W at 110001Z jul
Alboran Sea · HYDROLANT 1823/21
What this record establishes
Archived notice · 2021-07-14 11:02Z
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 III 572/21 111015Z JUL 21.. Issued 2021-07-11 11:02Z. 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
- Alboran Sea. The parsed report position is 36.040, -4.672. 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
These reports were linked by category and sea, with positions within 30 nautical miles and issue dates within 30 days of another report's recorded in-force span. Links can extend through other members, so the full group can cover a larger area or period. Proximity does not confirm that they describe one incident.
- HYDROLANT 1823/21 · this notice2021-07-11 · Archived notice
- HYDROLANT 1913/212021-07-21 · Archived notice
- issued
- 2021-07-11 11:02Z
- status
- Archived notice
- self-cancels
- 2021-07-14 11:02Z
- authority
- NAVAREA III 572/21 111015Z JUL 21.
- NAVAREA
- NAVAREA III · named as the source of this relay
- sea
- Alboran Sea
- position
- 36.040, -4.672
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
ALBORAN SEA. SPAIN. DNC 08. 1. DERELICT HELICOPTER, BLUE WITH YELLOW FLOATS, ADRIFT IN VICINITY 36-02.38N 004-40.30W AT 110001Z JUL. 2. CANCEL THIS MSG 141102Z JUL 21.
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.
- Derelict
- An abandoned vessel still afloat and drifting, with no one on board.
- Adrift
- Loose and moving with wind and current — a vessel, container, buoy, log or anything else no longer secured.
- 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.
- CANCEL THIS MSG
- The warning's own expiry: a line telling the reader when the message cancels itself.
Collected reports in this area · derelict & adrift vessels
23 within 180 nm since 2000 · 0 in the last 12 months · 0 listed in force now
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.
- Derelict S/V adrift in 35-47.00N 006-47.00W at 051120Z jan2023-01-05
- Derelict vessel partially submerged and adrift in vicinity 36-47.70N 007-07.60W at 261232Z jul2022-07-27
- Derelict S/V meerstern adrift in vicinity 34-51.60N 007-45.30W at 011745Z jul2022-07-02
- Derelict vessel, partially submerged and adrift in 35-23.00N 006-27.00W at 281930Z jun2022-06-29
- Derelict 12 meter vessel, blue hull, adrift in 36-33.20N 007-24.70W at 170725Z may2022-05-17
- Derelict 13 meter vessel adrift in vicinity 36-18.00N 007-04.00W at 052013Z may2022-05-05
Month of issue in the collected archive
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
6 derelict & adrift vessels listed in force · see all
Record snapshot 2026-10-01 23:03Z; source collection times vary.
Derelicts
Abandoned, disabled or drifting vessels. All current derelict & adrift vessels →
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.