粤航警670/26
Workover operations at Nan Hai Liu Hao platform - prohibited area in South China Sea
Activeuntil 18 Nov 2026, 23:59 UTC (in 18 days)Received 18 Sept 2026, 09:06 UTC
Warning text
Positions open on the mapGD578/26 SOUTH CHINA SEA DRILLING PLATFORM “NAN HAI LIU HAO”WORKOVER OPERATIONS AT SEA IN AREA WITHIN 1300 M RADIUS OF 20°24.7′N 115°17.4′E FROM 18 SEPT. TO 18 NOV. ENTERING PROHIBITED GUANGDONG MSA CHINA
Location map
Open in the full mapAnalysis
Activeuntil 18 Nov 2026, 23:59 UTC (in 18 days)The drilling platform 'Nan Hai Liu Hao' will conduct well workover operations in a circular area centred on 20°24.7′N 115°17.4′E with a radius of 1400 metres. The restriction applies from 18 September to 18 November 2026. Entering the area is prohibited.
Do not enter the circular area; keep clear and navigate well outside the stated radius.
- Type
- Offshore operations · severity moderate
- Feed
- Offshore works, rigs and towingAll warnings of this kind on the map, or as an API feed.
- Location
- South China Sea, location of drilling platform 'Nan Hai Liu Hao' near 20°24.7′N 115°17.4′E
- Validity
- From 18 Sept 2026, 00:00 UTC
Until 18 Nov 2026, 23:59 UTC9月18日至11月18日，“南海六号”钻井平台在以20°24.7′N 115°17.4′E 为圆心，半径1400米的圆形水域内进行修井作业。禁止驶入。 - Activity periods
- 18 Sept 2026, 00:00 UTC - 18 Nov 2026, 23:59 UTC (18 Sep to 18 Nov 2026 - workover operations (dates as given))
- Hazards
- workover operations, prohibited area around platform
- Keep clear
- 0.756 NM半径1400米...禁止驶入
Coast stations for this area
- RCCMRCC Hong KongHong Kong, China (Associate Member of IMO)129 NM from the area
- RCCMRSC ShantouChina198 NM from the area
- RCCMRSC XiamenChina288 NM from the area
- DSCDSC Station Hong Kong Marine Rescue Victoria PeakMRCC Hong KongHong Kong, China (Associate Member of IMO)MMSI 004773500VHF 50range 50 NM129 NM from the area
- DSCDSC Station Hong Kong Marine Rescue Tai Mo ShanMRCC Hong KongHong Kong, China (Associate Member of IMO)MMSI 004773500VHF 50, MF 200, HFrange 200 NM136 NM from the area
- DSCDSC Station Guangzhou RadioMRCC GuangdongChinaMMSI 004123100VHF 25, MF 100range 100 NM192 NM from the area
- DSCDSC Station Wenzhou RadioMRSC ShantouChinaMMSI 004123200MF 100range 100 NM192 NM from the area
- DSCDSC Station Zhanjiang RadioMRSC ZhanjiangChinaMMSI 004123100VHF 25, MF 100range 100 NM281 NM from the area
Worked out automatically from the warning text on 29 Sept 2026, 23:38 UTC. It can be wrong: the official warning text is the authority.