The availibility of NAVAREA II warnings on SHOM web site does not relieve Masters/Captains The availibility of NAVAREA II warnings on SHOM web site does not relieve Masters/Captains to receive the NAVAREA II messages via the International SafetyNET system. VALID NAVAREA TWO WARNINGS ON 20 MAY 2012 AT 04h30 UTC NAVAREA TWO 025/12 CELTIC SEA - OUESSANT TSS CHART 1800 INT - 7066 FR 1.SOUTH-WEST LIGHTBUOY 48-30N 005-45W, RACON INOPERATIVE. 2.CANCEL NAVAREA TWO 401/11. NAVAREA TWO 027/12 ACORES 1. NAVTEX STATION HORTA UNRELIABLE. 2. CANCEL NAVAREA TWO 111/11. NAVAREA TWO 080/12 CAP TIMIRIS - SIERRA LEONE - NAVTEX STATION 1- DAKAR STATION UNAVAILABLE UNTIL FURTHER NOTICE 2- THE COASTAL AVURNAV WILL BE BROADCAST BY NAVAREA TWO. NAVAREA TWO 083/12 SIERRA LEONE SEISMIC SURVEY OPERATION IN PROGRESS UNTIL 15 JUN 12 BY M/V POLAR DUKE TOWING 10 X 8700 METERS LONG CABLES IN AREA BOUNDED BY: 13-06N 018-14W 13-06N 017-40W 12-17N 017-40W 12-17N 018-14W. 6 NAUTICAL MILES BERTH REQUESTED. CANCEL THIS MSG AT 16 JUN 12. NAVAREA TWO 089/12 DISPLAY ANOMALIES IN SOME ECDIS. MARINERS ARE ADVISED THAT THE INTERNATIONAL HYDROGRAPHIC ORGANIZATION (IHO) CHECK DATA SET SHOWS THAT SOME ECDIS SYSTEMS FAIL TO DISPLAY SOME SIGNIFICANT UNDERWATER FEATURES IN THE STANDARD DISPLAY MODE. THE USE OF THIS CHECK DATA SET (ISSUED THROUGH ENC SERVICE PROVIDERS AND AVAILABLE FROM THE IHO WEBSITE WWW.IHO.INT) TO CHECK THE OPERATION OF ECDIS IS STRONGLY RECOMMENDED. JRC HAS CONFIRMED THAT CERTAIN VERSIONS OF JRC ECDIS FAIL TO DISPLAY SOME TYPES OF WRECK AND OBSTRUCTION (INCLUDING STRANDED WRECKS) IN ANY DISPLAY MODE. WHERE JRC ECDIS IS IN USE, PAPER CHARTS SHOULD BE THE PRIMARY MEANS OF NAVIGATION UNTIL THE ECDIS HAS BEEN PROVED TO OPERATE CORRECTLY. SEE HTTP://WWW.JRC.CO.JP/ENG/PRODUCT/MARINE/WHATSNEW/20120313/INDEX.HTML FOR FURTHER INFORMATION. NAVAREA TWO 118/12 GULF OF GUINEA SEISMIC SURVEY IN PROGRESS BY M/V PROSPECTOR WITH THREE SUPPORTING VESSELS UNTIL 31 MAY 2012, IN AREA: 04-37.6N 006-25W, 04-43.8N 006-04.5W, 04-12.7N 006-05.3W, 04-10.7N 006-25W. WIDE BERTH REQUESTED. NAVAREA TWO 151/12 METEOR - GULF OF GUINEA - POINTE NOIRE - SIERRA LEONE 1. LAST KNOWN POSITIONS OF MOBILE OIL RIGS AND DRILL SHIPS AT 090730 UTC MAY 12. METEOR PARKER 76 29-24.4 N 029-53.0 W GULF OF GUINEA OCEAN RIG OLYMPIA 04-30.0 N 003-06.4 W SEDCO ENERGY RIG 04-28.9 N 003-13.2 W ATWOOD HUNTER 04-35.4 N 003-07.0 W ERIK RAUDE 04-47.4 N 004-10.2 W ATWOOD BEACON 05-06.4 N 003-57.3 W FRONTIER DUCHESS 03-51.3 N 007-10.8 E GSF ADRIATIC V 04-03.8 N 009-41.9 E GSF ADRIATIC VIII 04-17.6 N 007-37.0 E GSF HIGH ISLAND VII 04-21.7 N 008-22.0 E GSF RIG 135 03-46.5 N 008-05.4 E NOBLE ED NOBLE 04-19.5 N 005-49.1 E SCARABEO 3 03-49.3 N 006-27.7 E STENA TAY 04-30.0 N 004-47.0 E ENSCO 5004 05-33.1 N 011-27.1 E POINTE NOIRE GSF ADRIATIC I 05-45.8 S 012-03.1 E GSF ADRIATIC IX 01-16.9 S 008-49.9 E GSF ALEUTIAN KEY 00-39.6 S 008-50.1 E GSF HIGH ISLAND V 01-09.8 S 008-51.2 E PRIDE CABINDA 05-18.6 S 011-55.2 E PRIDE SOUTH PACIFIC 05-23.8 S 010-54.4 E PRIDE SOUTH SEAS 04-56.1 S 011-29.1 E 2. CANCEL NAVAREA TWO 112/12. NAVAREA TWO 154/12 CASABLANCA - TARFAYA - CANARIAS - CAP BLANC 1-GUNNERY EXERCISES FROM 16 MAY TO 29 JUN DAILY 0800 UTC TO 1800 UTC WITHIN 20 NAUTICAL MILES OF 33-41N 008-03W, 29-53N 010-15W, 27-00N 013-50W, 23-35N 017-00W. 2-CANCEL THIS MSG THE 291900 UTC JUN 12. NAVAREA TWO 155/12 NAVAREA TWO IN FORCE AT 11 MAY 12 2012 :025-027-080-083-089-118-151-152-153-154-155 1. ONLY THOSE LESS THAN 42 DAYS OLD ARE DAILY BROADCASTED ON SAFETY NET AT 04H30 AND 16H30 UTC 2. ALL NAVAREA II WARNINGS IN FORCE ARE AVAILABLE ON WWW.SHOM.FR 3. NAVAREA II ARE ALSO PRINTED IN WEEKLY EDITIONS OF NOTICES TO MARINERS(SECTION 1.2). NAVAREA TWO 158/12 CASABLANCA CHART 7702 FR - 1973 INT RABAT LIGHTHOUSE 34-02.1N 006-50.8W UNLIT.