Chronic rule-breakers get a permanent flag in the SIPS system. When one drifted toward a no-anchor zone over three pipelines, the watchlist did its job before the anchor hit the seabed.
Vessels often sign multi-year contracts, which means they routinely sail the same routes and visit the same ports. Some of those vessels — and their captains — misbehave. And the ones that do tend to be repeat offenders.
At SEARA, chronic rule-breakers get special attention: a permanent flag on our system's BLACKLIST, ensuring our alerting locks on the moment they cross into a subsea asset's 15-nautical-mile monitoring zone.
Recently, we tracked a tense situation in one of our monitored infrastructure clusters. A vessel — call her Maureen — was drifting just outside an anchorage zone, dangerously close to three different subsea pipelines. Having already triggered several critical alerts earlier in the year, Maureen was firmly on the BLACKLIST — flagged with the skull stamp our system uses for high-risk vessels.
Because Maureen was on the active watchlist, we kept a tight eye on her. So when her AIS navigation status suddenly flipped to "at anchor" in a location where anchoring was absolutely not permitted, it was no surprise — and we were already watching closely enough to act.
Had this been a well-behaved vessel, we wouldn't have raised an unnecessary alarm. High-risk-looking situations occur frequently — most resolve on their own. By staying smart about how and when we alert, SIPS keeps the noise down so operators can focus on truly actionable insights, while vessels in our monitoring zones know they have extra eyes on them.
Across the regions where SEARA operates, risky behaviour drops noticeably once vessels realise they're being watched. A proactive "we are watching you" is often the best prevention tool there is.
Not every vessel deserves the same level of scrutiny, and treating them all identically either drowns operators in false alarms or dilutes attention on the ones that actually matter. The BLACKLIST is a memory layer — it lets SIPS carry forward a vessel's history of risky behaviour and apply that context the instant it re-enters a monitored zone.
That's the difference between a system that reacts to a single data point and one that recognises a pattern of behaviour building over months. Repeat offenders get watched harder. Well-behaved vessels don't generate noise. Everyone gets faster, better-targeted intervention.
Request a demo and we'll send each Ships Happen case study as it goes live — full timelines, data extracts, and the operational lessons.
Tell us about your operation. We'll set up a 30-minute walkthrough tailored to your infrastructure.
We'll be in touch within one business day.