#447
MAERSK SEVILLE
● CRITICAL MMSI: 563000700
Detections
37
Score
0.95
Months
7
// QUANTUS MARITIME INTELLIGENCE // 2024 ANNUAL ASSESSMENT // RANK #447 OF 69,461 VESSELS //
Intelligence Overview
MAERSK SEVILLE · MMSI 563000700 · 🇸🇬 US · Primary Port: Galveston
PERIOD: JAN–DEC 2024
⚠ INTELLIGENCE ASSESSMENT: MAERSK SEVILLE ranks #447 of 69,461 monitored vessels with 37 anomalous detections across 7 months. Composite risk score: 0.9500 (CRITICAL). Active alert types: DARK_VESSEL, SPEED_ANOMALY, ZIGZAG.
Global Rank
#447
of 69,461 vessels
Composite Score
0.9500
CRITICAL
Total Detections
37
Months Active
7/12
Unique Ports
5
Dark Events
1
AIS blackout
Speed Anomalies
1
Max Speed
102.2 kn
Monthly Detection Volume
10
9
2
3
3
6
2024 MONTHLY DETECTIONS
Alert Type Distribution
ZIGZAG
16
DARK_VESSEL
1
SPEED_ANOMALY
1
Key Intelligence Findings
AIS Blackout Confirmed — 1 Event
Deliberate AIS transponder deactivation detected. Each event represents a period where MAERSK SEVILLE was operating outside electronic surveillance. Consistent with covert cargo transfer or evasion operations.
Velocity Fraud — 1 Speed Anomaly Events
AIS SOG field manipulated to broadcast physically impossible speeds up to 102.2 knots. Systematic falsification of movement data to corrupt automated tracking algorithms.
Evasion Navigation — 16 Zigzag Events
Erratic course-over-ground patterns up to 128.8° std deviation, far exceeding the 50° anomaly threshold. Pattern consistent with surveillance evasion maneuvers.
Port Detection Summary
🇺🇸
Galveston
7
avg 0.701
🇺🇸
Mobile
4
avg 0.667
🇺🇸
Tampa
4
avg 0.763
🇺🇸
San Diego
2
avg 0.849
🇺🇸
Houston
1
avg 0.764
Monthly Alert Log — All Months
MonthDetectionsSeverityScoreNearest PortAlert Types
February 2024 3 HIGH 0.7637 Galveston ZIGZAG
March 2024 6 HIGH 0.8199 Galveston ZIGZAG; DARK_VESSEL
May 2024 9 MEDIUM 0.7432 New Orleans DARK_VESSEL; ZIGZAG
July 2024 4 HIGH 0.8528 Los Angeles POSITION_JUMP; ZIGZAG
August 2024 5 MEDIUM 0.7360 Galveston ZIGZAG; POSITION_JUMP
September 2024 1 CRITICAL 0.9062 Los Angeles POSITION_JUMP
October 2024 9 CRITICAL 0.9500 San Diego SPEED_ANOMALY; ZIGZAG
Activity Map
Detection events plotted · Color-coded by alert type · Drag to pan · Scroll to zoom
● Speed Anomaly ● Position Jump ● Zigzag ● Dark Vessel ● Rendezvous
Threat Intelligence
Analytical confidence: HIGH · Multi-indicator assessment
Threat Indicators Matrix
IndicatorStatusEvidenceConfidence
AIS Blackout / Dark VesselCONFIRMED1 events detectedCRITICAL
GPS Spoofing / Position JumpNOT DETECTED—LOW
Velocity Fraud / Speed AnomalyCONFIRMED1 events · max 102.2 knCRITICAL
Evasion Navigation / ZigzagCONFIRMED16 events · max COG std 128.8°HIGH
Ship-to-Ship RendezvousNOT DETECTED—LOW
Multi-Port OperationsCONFIRMED5 unique portsHIGH
Operational Profile
Primary AO
Galveston and surrounding maritime zone
Active Period
7 months of continuous alert activity in 2024
Alert Density
37 detections across 18 individual events (avg 5.3/month)
Active Techniques
◐ DARK ⚡ SPEED ⟳ ZIGZAG
Threat Category
High-Confidence AIS Manipulation — Multiple confirmed evasion techniques
TTP Analysis
Tactics, Techniques & Procedures — Maritime ATT&CK Framework
MAR-T003
RTE-ANO-005
Evasion Navigation
Erratic COG changes exceeding 50° threshold (max 128.8°). Consistent with surveillance evasion or at-anchor AIS manipulation. Count: 16 events.
HIGH CONFIDENCE
16 events
MAR-T004
AIS-MAN-001
AIS Blackout
Deliberate AIS transponder deactivation to create surveillance gaps. Count: 1 events. Each event represents an unmonitored operational window.
HIGH CONFIDENCE
1 events
MAR-T001
RTE-ANO-001
Velocity Fraud
AIS SOG field manipulation to broadcast impossible speeds up to 102.2 kn. Corrupts automated tracking algorithms and creates false movement vectors. Count: 1 events.
HIGH CONFIDENCE
1 events
Risk Analysis
Composite risk scoring · Weighted indicator model · Quantus v2.4
Composite Score
0.9500
CRITICAL
Avg Detection Score
0.8245
Global Rank
#447
of 69,461 vessels
Weighted Indicator Scoring
Formula: (Dark×3) + (Rendezvous×4) + (PosJump×2) + (Speed×1) + (Zigzag×0.5) + (MaxScore×50)
IndicatorCountWeightContribution
DARK_VESSEL1×33.0
RENDEZVOUS0×40.0
POSITION_JUMP0×20.0
SPEED_ANOMALY1×11.0
ZIGZAG16×0.58.0
MaxSingleScore0.9500×5047.5
COMPOSITE TOTALNormalized [0,1]0.9500 CRITICAL
⚡ Speed Anomaly Detections
Indicator: RTE-ANO-001 · 1 events · Max: 102.2 kn
AIS SOG FRAUD
Speed anomaly events are triggered when AIS Speed Over Ground (SOG) exceeds the 30-knot detection threshold. MAERSK SEVILLE reports speeds up to 102.2 kn — consistent with deliberate AIS SOG field manipulation to corrupt tracking algorithms.
Total Events
1
Max Reported SOG
102.2 kn
Indicator ID
RTE-ANO-001
Speed Anomaly Events (Top 50 by score)
DateMax SOG (kn)ScoreSeverityPortCoordinates
⟳ Zigzag / Erratic Navigation
Indicator: RTE-ANO-005 · 16 events · Max COG std: 128.8°
EVASION PATTERN
Zigzag events are triggered when course-over-ground (COG) standard deviation exceeds 50°. MAERSK SEVILLE records COG deviations up to 128.8° — consistent with surveillance evasion maneuvers or at-anchor AIS noise manipulation.
Total Events
16
Max COG Std Dev
128.8°
Threshold
50°
Zigzag Events (Top 50 by COG deviation)
DateCOG Std Dev (°)ScoreSeverityPortCoordinates
◐ Dark Vessel Events
Indicator: AIS-MAN-001 · 1 AIS blackout events detected
AIS BLACKOUT
⚠ HIGH SIGNIFICANCE: Dark vessel events represent deliberate AIS transponder deactivation — a primary indicator of intentional surveillance evasion, covert cargo transfer, or sanctions circumvention.
Dark Vessel Events
1
Indicator
AIS-MAN-001
Risk Level
CRITICAL
◐ DARK EVENT #1 — 2024-03-18T06:05:11
AIS BLACKOUT
Location
24.4345°N, 118.0534°W — San Diego
AIS Gap Duration
9.8 hours
Pre-Blackout Speed
19.1 knots SOG
Displacement
499.4 NM from port during gap
Score
0.7478 · HIGH
Assessment
AIS gap consistent with deliberate concealment.
Port History
5 distinct port areas · US primary flag state
Complete Port Detection Summary
PortCountryDetectionsAvg ScoreAvg Dist NMRisk
Galveston🇺🇸70.701346.2STANDARD
Mobile🇺🇸40.66732.1STANDARD
Tampa🇺🇸40.762614.3STANDARD
San Diego🇺🇸20.8489430.2STANDARD
Houston🇺🇸10.763720.8STANDARD
🇺🇸 Galveston — Port Profile
7 detections · Avg score 0.7013 · Avg distance 46.2 NM
LOW RISK
Total Detections
7
Primary port of operation
Avg Alert Score
0.7013
Avg Distance NM
46.2
Port proximity zone
Detection Types at Galveston
ZIGZAG
7
Coordinates: 29.301°N, 94.798°W
Port Intelligence Notes
Port Country
🇺🇸 US
Risk Classification
LOW — Standard port monitoring applies
Detection Share
7 of 18 total detections (38.9%)
Avg Distance from Port
46.2 NM — consistent with port proximity operations
🇺🇸 Mobile — Port Profile
4 detections · Avg score 0.6673 · Avg distance 2.1 NM
LOW RISK
Total Detections
4
Secondary port
Avg Alert Score
0.6673
Avg Distance NM
2.1
Port proximity zone
Detection Types at Mobile
ZIGZAG
4
Coordinates: 30.694°N, 88.044°W
Port Intelligence Notes
Port Country
🇺🇸 US
Risk Classification
LOW — Standard port monitoring applies
Detection Share
4 of 18 total detections (22.2%)
Avg Distance from Port
2.1 NM — consistent with port proximity operations
🇺🇸 Tampa — Port Profile
4 detections · Avg score 0.7626 · Avg distance 14.3 NM
LOW RISK
Total Detections
4
Secondary port
Avg Alert Score
0.7626
Avg Distance NM
14.3
Port proximity zone
Detection Types at Tampa
ZIGZAG
4
Coordinates: 27.946°N, 82.457°W
Port Intelligence Notes
Port Country
🇺🇸 US
Risk Classification
LOW — Standard port monitoring applies
Detection Share
4 of 18 total detections (22.2%)
Avg Distance from Port
14.3 NM — consistent with port proximity operations
🇺🇸 San Diego — Port Profile
2 detections · Avg score 0.8489 · Avg distance 430.2 NM
LOW RISK
Total Detections
2
Secondary port
Avg Alert Score
0.8489
Avg Distance NM
430.2
Possible spoofed coords
Detection Types at San Diego
DARK_VESSEL
1
SPEED_ANOMALY
1
Coordinates: 32.715°N, 117.157°W
Port Intelligence Notes
Port Country
🇺🇸 US
Risk Classification
LOW — Standard port monitoring applies
Detection Share
2 of 18 total detections (11.1%)
Avg Distance from Port
430.2 NM — anomalously high, suggests spoofed coordinates
🇺🇸 Houston — Port Profile
1 detections · Avg score 0.7637 · Avg distance 20.8 NM
LOW RISK
Total Detections
1
Secondary port
Avg Alert Score
0.7637
Avg Distance NM
20.8
Port proximity zone
Detection Types at Houston
ZIGZAG
1
Coordinates: 29.749°N, 95.362°W
Port Intelligence Notes
Port Country
🇺🇸 US
Risk Classification
LOW — Standard port monitoring applies
Detection Share
1 of 18 total detections (5.6%)
Avg Distance from Port
20.8 NM — consistent with port proximity operations
Ownership Intelligence
MMSI registry · Flag state analysis · Beneficial ownership investigation
Vessel Name
MAERSK SEVILLE
MMSI
563000700
Flag State (MMSI-derived)
🇸🇬 US
MID Code
563 → 🇸🇬 US
Primary Port
Galveston
Detection Period
7 months (2024)
Registered Owner
Pending registry lookup
Beneficial Owner
Requires FinCEN CDD query
OFAC SDN Status
Pending cross-reference
Recommended Action
Physical inspection + full registry query
Vessel Type Analysis
AIS declared type · Physical capability vs. observed behavior
Type Mismatch Assessment
AIS Declared Type
vessel_type=37 (Pleasure Craft)
Behavior Consistency
Requires investigation
Speed Capability
Reported 102.2 kn — physically impossible for Type 37 (max ~45 kn high-performance)
Inspection Priority
HIGH — Recommend USCG/CBSA physical boarding and documentation review
Applicable Statutes
47 C.F.R. § 80.953 (AIS falsification) · 33 C.F.R. § 164.46 (AIS carriage) · 21 U.S.C. § 955 (maritime drug law)
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