
Technical Specifications
Live Tracking
Most time stopped at Halifax: 47 h across 5 stays.
Derived from the AIS track: runs of near-zero speed (anchored, moored or drifting) snapped to the nearest port. Builds up as we observe the vessel.
Resolved from the live AIS destination. Distance is the real sea route (around land and through canals). The computed ETA is steaming time at the vessel’s passage speed, and does not include any wait for a berth. A destination is the crew’s stated intent, not a confirmed fixture.
Intelligence
Compliance
On 07 October 2023, the passenger vessel "SAPPHIRE PRINCESS" reported having sustained a total failure of one of its stern thrusters in the vicinity of Nitinat Canyon, BC. The crew conducted repairs while underway.
On 23 August 2023, the passenger ship "SAPPHIRE PRINCESS" reported one of its passengers having sustained an injury onboard while proceeding in Discovery Passage, BC. The injured passenger was evacuated to Comox, BC by helicopter and the vessel resumed its voyage.
Recorded marine occurrences naming this vessel.
Build Series
Sister hulls share a yard, segment, build year (±1) and deadweight (±3%): the cleanest comparables for valuation. Derived in-house from our fleet register; coverage is limited to hulls carrying a recorded builder, so a series may be incomplete.
Operational Status
Making way at sea speed on its latest broadcast.
Read from the single most-recent AIS broadcast we hold for this hull. We keep no position history, so this is a point-in-time posture, not a dwell inference. Derived in-house from our own AIS feed; weight it by the broadcast age above.
Arrivals, time in port and the load/discharge inferred from the draught change, detected from AIS track history. An open call means the vessel is still in port (no departure observed yet).
Method: each call is a run of fixes inside a port’s geofence confirmed by a stop (or an AIS gap); load/discharge is the sign of the draught delta over the call. Indicative: arrivals before our AIS history began read from the first observation.
Time-in-port summed by port from the AIS-detected port-call history: the ports this vessel has spent the most time at, longest first.
Based on 53 completed calls observed since . Open calls (no departure yet) are excluded. The distribution sharpens as AIS history accrues.
Composite Risk
Multiple adverse factors, or a hard ship-specific signal, lift this hull above the fleet norm.
A coverage-weighted blend of the single component we could read for this hull; the weights renormalise over only the components present, so a thin read is never inflated and a hull is never credited a “safe 0” for a signal it has no row for. This headline is flagged low-confidence (a thin or structural-only read) and should not be treated as a verdict. Higher means riskier. Derived in-house from government-open port-State-control, flag, sanctions and our own vessel data; weight it by the coverage above.
Fleet Management

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