鲁航警941/26
Underwater survey operations in Bohai Strait
No longer in forceReceived 28 Oct 2026, 03:11 UTCArchived 28 Oct 2026, 23:11 UTC
Warning text
Positions open on the mapSD857/26 BOHAI STRAIT UNDERWATER OPERATION IN AREA WITH 50 METERS RADIUS OF 37-51.61N 120-53.30E FROM 280320UTC TO 281000UTC OCT.CAUTION TO AVOID.SHANDONG MSA CHINA.
Location map
Open in the full mapAnalysis
No longer in forceUnderwater probing/survey operations will take place in the Bohai Strait in a small area centred on the reported position. Activity is scheduled on 28 October from 280320 UTC to 281000 UTC (03:20-10:00 UTC). Mariners are warned to avoid the area.
Avoid the area and navigate with caution.
- Type
- Survey operations · severity moderate
- Feed
- Survey operationsAll warnings of this kind on the map, or as an API feed.
- Location
- Bohai Strait
- Validity
- From 28 Oct 2026, 03:20 UTC
Until 28 Oct 2026, 10:00 UTCFROM 280320UTC TO 281000UTC OCT - Activity periods
- 28 Oct 2026, 03:20 UTC - 28 Oct 2026, 10:00 UTC (Underwater operations)
- Hazards
- underwater operations, survey operations
- Keep clear
- 0.027 NM半径50米水域范围内进行水下探摸作业。注意避让.
Contacts
- SHANDONG MSA CHINA · issuing authority as given in message
Coast stations for this area
- RCCMRSC YantaiChina33 NM from the area
- RCCMRSC QingdaoChina112 NM from the area
- RCCMRCC TianjinChina187 NM from the area
- DSCDSC Station Dalian RadioMRSC YantaiChinaMMSI 004121400VHF 25, MF 100range 100 NM30 NM from the area
- DSCDSC Station Dalian RadioMRCC LiaoningChinaMMSI 004121300VHF 25, MF 100range 100 NM66 NM from the area
- DSCDSC Station Dalian RadioMRSC QingdaoChinaMMSI 004122200VHF 25, MF 100range 100 NM104 NM from the area
- DSCDSC Station Qinhuangdao RadioMRCC HebeiChinaMMSI 004121200VHF 25range 25 NM137 NM from the area
- DSCDSC Station Tianjin RadioMRCC TianjinChinaMMSI 004121100VHF 25, MF 100range 100 NM178 NM from the area
Worked out automatically from the warning text on 28 Oct 2026, 04:37 UTC. It can be wrong: the official warning text is the authority.