Survey operations in the Bay of Biscay

Hydrographic and scientific survey vessels, often towing long arrays.

in force
0
last 12 months
0
vs previous 12 (0)
—
since 2000
66

Coverage note: the NGA archive ends 2024-05 and live collection began 2026-08-17. Warnings issued in between are here only if they were still in force when collection started, so 2024–2026 are under-counted.

In force now · 0

No survey operations in force in the Bay of Biscay right now.

By year

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By month (all years)

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Other hazards in the Bay of Biscay

Archive · 66 cancelled

  1. HYDROLANT 971/062006-05-19 → 2006-05-24
    Oceanographic operations 21 thru 23 may by M/V thalia in area bound by 48-30N 004-30W, 46-30N 004-30W,…
  2. HYDROLANT 1807/052005-10-03 → 2005-10-12
    Survey operations by M/V thalassa: a. 05 thru 06 oct in area between 43-20N 003-00W, 43-40N 003-00W
  3. HYDROLANT 1035/052005-06-01 → 2005-06-10
    Survey operations 06 thru 20 jun by M/V laperouse in area between 45-00N 003-00W and 43-30N 008-00W
  4. HYDROLANT 599/052005-04-01 → 2005-04-14
    Oceanographic operations by M/V le suroit towing equipment in: a. 03 thru 04 apr in area between 46-30N…
  5. HYDROLANT 1139/042004-07-06 → 2004-07-13
    Underwater operations 08 thru 12 jul by M/V cso deep blue vicinity 45-37N 003-30W
  6. HYDROLANT 1823/032003-09-24 → 2003-10-07
    Survey operations 25 sep thru 06 oct by M/V hesperides towing equipment in area bound by 45-35N 004-30W,…
  7. HYDROLANT 1641/032003-08-28 → 2003-09-19
    Survey operations 30 aug thru 18 sep by M/V hesperides towing 3000 meter long cable in area bound by 45-35N…
  8. HYDROLANT 2008/022002-09-09 → 2002-09-28
    Underwater operations 11 thru 27 sep by M/V thalassa vicinity of trackline joining 47-36N 004-20W, 47-00N…
  9. HYDROLANT 1864/022002-08-23 → 2002-09-09
    Survey operations 26 aug thru 19 sep by M/V thalassa vicinity of tracklines between: a. 48-30N 005-00W and…
  10. HYDROLANT 1700/022002-07-31 → 2002-08-13
    Underwater operations 02 thru 12 aug by M/V pelagia and M/V triton vicinity of trackline between 46-20N…
  11. HYDROLANT 1220/022002-06-01 → 2002-06-04
    Underwater operations by M/V thalassa: a. in progress vicinity of trackline joining 46-32N 005-00W, 47-31N…
  12. HYDROLANT 3571/002000-10-21 → 2000-10-24
    Underwater operations sunrise to sunset daily by M/V thalassa within 18 miles of: a. 47-20N 005-00W on 22 oct
  13. HYDROLANT 2615/002000-07-25 → 2000-09-22
    Underwater operations in progress until further notice: a. within two miles of 47-14.38N 004-22.35W
  14. HYDROLANT 2543/002000-07-19 → 2000-07-25
    Underwater operations in progress until further notice within six miles of: a. 47-14.38N 004-22.35W
  15. HYDROLANT 2352/002000-07-03 → 2000-07-15
    Survey operations in progress until 14 jul by M/V jean charcot, M/V argonaute and M/V mirfak vicinity…
  16. HYDROLANT 2043/002000-06-06 → 2000-07-19
    Underwater operations in progress until further notice in areas: a. within two miles of 47-14.38N 004-22.35W

Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts and your national MSI service.

Survey operations in the Bay of Biscay — page 2 · seahazards