U.S. Maritime Administration advisories
Recorded as: MARAD ADVISORY
Advisories to U.S.-flag and other ships about threats in specific waters.
Maritime security centres collect and relay reports of piracy, armed robbery, suspicious approaches and other threats to merchant ships, and advise them on precautions.
What the archive holds
207 messages in this archive record MARAD ADVISORY as their authority, issued from 2000-03-30 to 2017-03-27. None of them is in force in the latest lists we collected.
Other accounts for 63 of 207 recorded messages (30%), the largest warning type group in this selection.
Attributed to NAVAREAs, they fall mostly in NAVAREA XII (50) and NAVAREA IV (47).
Located messages lie in 4 sea areas, most often Gulf of Aden, North Atlantic Ocean and North Pacific Ocean.
The largest yearly count is 2009, with 32 messages.
Across all years its messages are issued most often in March and least often in May.
They reached this archive through HYDROPAC (62), NAVAREA XII (50), NAVAREA IV (47) and HYDROLANT (43).
Messages by year of issue
By month of issue, all years
Warning types
Where
NAVAREA XII 50 · NAVAREA IV 47
Most recently issued
- HYDROARC 44/17 · War risk2017-03-27Maritime advisory 2017-002
- NAVAREA XII 136/17 · War risk2017-03-27Maritime advisory 2017-002
- NAVAREA IV 252/17 · War risk2017-03-27Maritime advisory 2017-002
- HYDROPAC 3602/16 · Piracy2016-11-22Vessel guidance for the sulu and celebes seas
- NAVAREA XII 332/16 · Other2016-09-13Flag operators are requested to forward this advisory to their ships by the most expeditious means
- HYDROARC 236/16 · Other2016-09-13Flag operators are requested to forward this advisory to their ships by the most expeditious means
- NAVAREA IV 778/16 · Other2016-09-13Flag operators are requested to forward this advisory to their ships by the most expeditious means
- HYDROARC 18/16 · Other2016-03-14Flag operators are requested to forward this advisory to their ships by the most expeditious means
Earliest in the archive
Other maritime security centres in NAVAREA XII
Counts are messages recording this issuer as their authority, recounted 2026-09-24; see coverage for what is collected. Not for navigation.