Surveys

NAVAREA IV mobile offshore drilling units positions at 141700Z jul: a. the 150 29-14.4N 091-22.6W

NAVAREA IV 600/21

issued
2021-07-14 17:08Z
status
cancelled 2021-07-21 13:55Z (archive)
cancels
NAVAREA IV 575/21
authority
SFH 141704Z JUL 21.
position
23.095, -82.628
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. NAVAREA IV MOBILE OFFSHORE DRILLING UNITS
   POSITIONS AT 141700Z JUL:
   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
      10-23.3N 061-36.8W.
   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 27-40.1N 090-16.5W.
   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 07-20.6N 055-57.1W.
   AF. MAERSK DISCOVERER 07-27.8N 056-24.7W. (NEW RIG)
   AG. MAERSK VALIANT 07-25.5N 056-00.5W.
   AH. MODS 200 28-06.1N 090-12.1W.
   AI. NABORS 202 28-47.5N 089-03.4W.
   AJ. NJORD 18-33.2N 092-52.2W.
   AK. NOBLE BOB DOUGLAS 08-06.4N 056-56.9W.
   AL. NOBLE DON TAYLOR 08-03.1N 056-44.9W.
   AM. NOBLE REGINA ALLEN 10-45.2N 060-31.5W.
   AN. NOBLE SAM CROFT 08-09.7N 056-57.7W. (NEW POSITION)
   AO. NOBLE TOM MADDEN 08-04.1N 056-57.7W.
   AP. OCEAN BLACKHAWK 27-26.3N 090-16.3W. (NEW POSITION)
   AQ. OCEAN BLACKHORNET 28-11.0N 088-28.4W.
   AR. OCEAN BLACKLION 28-26.3N 088-16.8W.
   AS. OCEAN BLACKRHINO 27-27.4N 090-27.2W.
   AT. ODIN 18-18.8N 094-15.8W.
   AU. PACIFIC SHARAV 28-33.6N 088-06.4W.
   AV. PAPALOAPAN 18-49.8N 091-48.9W.
   AW. RALPH COFFMAN 10-40.5N 061-38.9W.
   AX. ROWAN EXL II 10-02.9N 060-24.9W.
   AY. ROWAN RELENTLESS 28-57.2N 088-15.0W.
   AZ. ROWAN RESOLUTE 28-00.9N 088-45.1W.
   AAA. SE 89 27-54.0N 096-39.8W.
   AAB. SEADRILL WEST VELA 27-08.6N 090-16.1W.
   AAC. SS 198 28-35.1N 091-15.3W.
   AAD. SS 266 28-21.4N 091-05.3W.
   AAE. STENA CARRON 08-47.2N 056-47.2W.
   AAF. STENA DRILLMAX 08-00.2N 056-45.6W.
   AAG. TUXPAN 18-45.7N 091-45.7W.
   AAH. WEST CAPRICORN 28-14.9N 089-55.3W.
   AAI. WEST COURAGEOUS 19-08.1N 092-29.3W.
   AAJ. WEST INTREPID 19-33.4N 092-12.9W.
   AAK. WEST NEPTUNE 27-41.5N 091-06.8W.
   AAL. WFD 250 28-31.2N 091-31.6W.
   AAM. WFD 300 28-13.7N 092-31.8W.
   AAN. 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 575/21.

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.