Surveys

NAVAREA IV mobile offshore drilling units positions at 091203Z apr: a. the 150 29-14.4N 091-22.6W

NAVAREA IV 483/21

issued
2021-06-09 12:29Z
status
cancelled 2021-06-16 16:02Z (archive)
cancels
NAVAREA IV 464/21
authority
SFH 091228Z JUN 21.
position
23.335, -83.021
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. NAVAREA IV MOBILE OFFSHORE DRILLING UNITS
   POSITIONS AT 091203Z APR:
  A. THE 150 29-14.4N 091-22.6W.
  B. BICENTENARIO 22-13.5N 097-38.5W.
  C. BLAKE 651 28-23.5N 089-27.2W.
  D. CENTENARIO GR 25-22.8N 095-39.6W.
  E. COATZACOALCOS 19-32.4N 092-10.2W.
  F. COSLHUNTER 18-42.5N 093-13.0W.
  G. DEEPWATER ASGARD 26-31.2N 090-31.8W.
  H. DEEPWATER CONQUEROR 26-17.8N 091-05.6W.
  I. DEEPWATER INVICTUS 10-49.5N 061-35.0W.
  J. DEEPWATER NAUTILUS 28-31.9N 090-02.1W.
  K. DEEPWATER PONTUS 26-27.3N 090-46.2W.
  L. DISCOVERER INSPIRATION 27-41.5N 091-06.8W.
  M. ENSCO 102 28-12.1N 091-32.3W.
  N. ENSCO 12 06-20.0N 055-25.5W.
  O. ENSCO 68 28-58.4N 091-08.9W.
  P. ENSCO 8503 27-30.1N 092-50.8W.
  Q. ENSCO 8505 28-14.6N 088-49.6W.
  R. ENSCO 87 28-17.9N 091-52.9W.
  S. ENTERPRISE 205 28-35.0N 091-16.8W.
  T. ENTERPRISE 264 28-45.5N 090-56.0W.
  U. FPSO LIZA DESTINY 08-00.0N 057-00.0W.
  V. GERSEMI 18-29.3N 093-20.7W.
  W. GSF TRANSOCEAN DEVELOPMENT DRILLER III
     10-18.1N 060-13.1W.
  X. GSP ATLAS 19-36.0N 090-58.1W.
  Y. GSP FORTUNA 18-25.8N 093-12.6W.
  Z. GSP ORIZONT 19-36.0N 090-58.0W.
  AA. HELIX Q5000 27-43.5N 090-43.9W.
  AB. HOLSTEIN SPAR 27-19.3N 090-32.1W.
  AC. ISLAND VENTURE 28-12.9N 088-33.5W.
  AD. JOE DOUGLAS 10-39.1N 061-37.3W.
  AE. MAERSK DEVELOPER 07-25.5N 056-06.7W.
  AF. MAERSK VALIANT 07-30.0N 056-13.6W.
  AG. MODS 200 28-06.1N 090-12.1W.
  AH. NABORS 202 28-47.5N 089-03.4W.
  AI. NJORD 18-33.2N 092-52.2W.
  AJ. NOBLE BOB DOUGLAS 08-05.9N 056-57.0W.
  AK. NOBLE DON TAYLOR 07-52.4N 056-36.9W.
  AL. NOBLE REGINA ALLEN 10-45.2N 060-31.5W.
  AM. NOBLE SAM CROFT 08-03.3N 056-56.8W.
  AN. NOBLE TOM MADDEN 08-04.1N 056-57.7W.
  AO. OCEAN BLACKHAWK 28-53.6N 088-06.2W.
  AP. OCEAN BLACKHORNET 28-11.0N 088-28.4W.
  AQ. OCEAN BLACKLION 27-09.3N 090-18.6W.
  AR. OCEAN BLACKRHINO 27-27.4N 090-27.2W.
  AS. ODIN 18-18.8N 094-15.8W.
  AT. PACIFIC SHARAV 28-33.6N 088-06.4W.
  AU. PAPALOAPAN 18-49.8N 091-48.9W.
  AV. RALPH COFFMAN 10-40.5N 061-38.9W.
  AW. ROWAN EXL II 10-02.9N 060-24.9W.
  AX. ROWAN RELENTLESS 28-57.2N 088-15.0W.
  AY. ROWAN RESOLUTE 28-00.9N 088-45.1W.
  AZ. SE 89 27-54.0N 096-39.8W.
  AAA. SEADRILL WEST VELA 27-08.6N 090-16.1W.
  AAB. SS 198 28-35.1N 091-15.3W.
  AAC. SS 266 28-21.4N 091-05.3W.
  AAD. STENA CARRON 08-41.7N 056-44.5W.
  AAE. STENA DRILLMAX 07-52.7N 056-36.8W.
  AAF. TUXPAN 18-45.7N 091-45.7W.
  AAG. WEST CAPRICORN 28-14.9N 089-55.3W.
  AAH. WEST COURAGEOUS 19-08.1N 092-29.3W.
  AAI. WEST INTREPID 19-33.4N 092-12.9W.
  AAJ. WEST NEPTUNE 27-41.5N 091-06.8W.
  AAK. WFD 250 28-31.2N 091-31.6W.
  AAL. WFD 300 28-13.7N 092-31.8W.
  AAM. WFD 350 28-45.7N 091-41.8W.
2. TO REPORT A MOBILE OFFSHORE DRILLING UNIT AS
   PER IMO RESOLUTION A.1023(26), PARAGRAPH 11.5.1,
   CONTACT [email protected] SUBJ: MODU REPORT.
3. CANCEL NAVAREA IV 464/21.

This area · survey operations

126 within 180 nm since 2002 · 1 in the last 12 months · 1 in force now

02
05
10
15
20
25
26

Season · when survey operations happen here

J
F
M
A
M
J
J
A
S
O
N
D

month of issue, all years in the archive

Timeline

Nearby now · within 120 nm

Worldwide now

75 survey operations in force · see all

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.