#481 GULF CAJUN // Vessel Intelligence System

Intelligence Overview

GULF CAJUN · MMSI 369081000 · 🇺🇸 US · Primary Port: Seattle

PERIOD: JAN–DEC 2024

⚠ INTELLIGENCE ASSESSMENT: GULF CAJUN ranks #481 of 69,461 monitored vessels with 33 anomalous detections across 12 months. Composite risk score: 0.9500 (CRITICAL). Active alert types: ZIGZAG.

Global Rank

#481

of 69,461 vessels

Composite Score

0.9500

CRITICAL

Total Detections

33

Months Active

12/12

Unique Ports

4

Monthly Detection Volume

1
3

10
2

11
3

12
2

2
2

3
2

4
2

2024 MONTHLY DETECTIONS

Alert Type Distribution

ZIGZAG

16

Key Intelligence Findings

Evasion Navigation — 16 Zigzag Events

Erratic course-over-ground patterns up to 164.1° std deviation, far exceeding the 50° anomaly threshold. Pattern consistent with surveillance evasion maneuvers.

Port Detection Summary

🇺🇸

Seattle

13

avg 0.715

🇨🇦

Victoria

1

avg 0.573

🇺🇸

Portland OR

1

avg 0.696

🇺🇸

Tacoma

1

avg 0.900

Monthly Alert Log — All Months

Month	Detections	Severity	Score	Nearest Port	Alert Types
January 2024	3	HIGH	0.8593	Seattle	ZIGZAG
February 2024	2	HIGH	0.8003	Seattle	ZIGZAG
March 2024	2	CRITICAL	0.9000	Seattle	ZIGZAG
April 2024	2	MEDIUM	0.6503	Seattle	ZIGZAG
May 2024	3	CRITICAL	0.9000	Seattle	ZIGZAG
June 2024	4	CRITICAL	0.9500	Seattle	ZIGZAG; SPEED_ANOMALY
July 2024	1	CRITICAL	0.9000	Seattle	ZIGZAG
August 2024	5	CRITICAL	0.9000	Seattle	ZIGZAG
September 2024	4	HIGH	0.7998	Vancouver	POSITION_JUMP; ZIGZAG
October 2024	2	MEDIUM	0.7464	Seattle	ZIGZAG
November 2024	3	CRITICAL	0.9000	Portland OR	ZIGZAG
December 2024	2	CRITICAL	0.9000	Tacoma	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

Indicator	Status	Evidence	Confidence
AIS Blackout / Dark Vessel	NOT DETECTED	—	LOW
GPS Spoofing / Position Jump	NOT DETECTED	—	LOW
Velocity Fraud / Speed Anomaly	NOT DETECTED	—	LOW
Evasion Navigation / Zigzag	CONFIRMED	16 events · max COG std 164.1°	HIGH
Ship-to-Ship Rendezvous	NOT DETECTED	—	LOW
Multi-Port Operations	CONFIRMED	4 unique ports	HIGH

Operational Profile

Primary AO

Seattle and surrounding maritime zone

Active Period

12 months of continuous alert activity in 2024

Alert Density

33 detections across 16 individual events (avg 2.8/month)

Active Techniques

⟳ ZIGZAG

Threat Category

AIS Anomaly — Single or dual technique pattern

TTP Analysis

Tactics, Techniques & Procedures — Maritime ATT&CK Framework

MAR-T003

RTE-ANO-005

Evasion Navigation

Erratic COG changes exceeding 50° threshold (max 164.1°). Consistent with surveillance evasion or at-anchor AIS manipulation. Count: 16 events.

HIGH CONFIDENCE
16 events

Risk Analysis

Composite risk scoring · Weighted indicator model · Quantus v2.4

Composite Score

0.9500

CRITICAL

Avg Detection Score

0.8505

Global Rank

#481

of 69,461 vessels

Weighted Indicator Scoring

Formula: (Dark×3) + (Rendezvous×4) + (PosJump×2) + (Speed×1) + (Zigzag×0.5) + (MaxScore×50)

Indicator	Count	Weight	Contribution
DARK_VESSEL	0	×3	0.0
RENDEZVOUS	0	×4	0.0
POSITION_JUMP	0	×2	0.0
SPEED_ANOMALY	0	×1	0.0
ZIGZAG	16	×0.5	8.0
MaxSingleScore	0.9500	×50	47.5
COMPOSITE TOTAL	Normalized [0,1]		0.9500 CRITICAL

⟳ Zigzag / Erratic Navigation

Indicator: RTE-ANO-005 · 16 events · Max COG std: 164.1°

EVASION PATTERN

Zigzag events are triggered when course-over-ground (COG) standard deviation exceeds 50°. GULF CAJUN records COG deviations up to 164.1° — consistent with surveillance evasion maneuvers or at-anchor AIS noise manipulation.

Total Events

16

Max COG Std Dev

164.1°

Threshold

50°

Zigzag Events (Top 50 by COG deviation)

Date	COG Std Dev (°)	Score	Severity	Port	Coordinates

Port History

4 distinct port areas · US primary flag state

Complete Port Detection Summary

Port	Country	Detections	Avg Score	Avg Dist NM	Risk
Seattle	🇺🇸	13	0.7148	6.1	STANDARD
Victoria	🇨🇦	1	0.5725	59.3	STANDARD
Portland OR	🇺🇸	1	0.6961	52.9	STANDARD
Tacoma	🇺🇸	1	0.9000	3.5	STANDARD

🇺🇸 Seattle — Port Profile

13 detections · Avg score 0.7148 · Avg distance 6.1 NM

LOW RISK

Total Detections

13

Primary port of operation

Avg Alert Score

0.7148

Avg Distance NM

6.1

Port proximity zone

Detection Types at Seattle

ZIGZAG

13

Coordinates: 47.601°N, 122.334°W

Port Intelligence Notes

Port Country

🇺🇸 US

Risk Classification

LOW — Standard port monitoring applies

Detection Share

13 of 16 total detections (81.2%)

Avg Distance from Port

6.1 NM — consistent with port proximity operations

🇨🇦 Victoria — Port Profile

1 detections · Avg score 0.5725 · Avg distance 59.3 NM

LOW RISK

Total Detections

1

Secondary port

Avg Alert Score

0.5725

Avg Distance NM

59.3

Port proximity zone

Detection Types at Victoria

ZIGZAG

1

Coordinates: 48.424°N, 123.370°W

Port Intelligence Notes

Port Country

🇨🇦 CA

Risk Classification

LOW — Standard port monitoring applies

Detection Share

1 of 16 total detections (6.2%)

Avg Distance from Port

59.3 NM — consistent with port proximity operations

🇺🇸 Portland OR — Port Profile

1 detections · Avg score 0.6961 · Avg distance 52.9 NM

LOW RISK

Total Detections

1

Secondary port

Avg Alert Score

0.6961

Avg Distance NM

52.9

Port proximity zone

Detection Types at Portland OR

ZIGZAG

1

Port Intelligence Notes

Port Country

🇺🇸 US

Risk Classification

LOW — Standard port monitoring applies

Detection Share

1 of 16 total detections (6.2%)

Avg Distance from Port

52.9 NM — consistent with port proximity operations

🇺🇸 Tacoma — Port Profile

1 detections · Avg score 0.9000 · Avg distance 3.5 NM

LOW RISK

Total Detections

1

Secondary port

Avg Alert Score

0.9000

Avg Distance NM

3.5

Port proximity zone

Detection Types at Tacoma

ZIGZAG

1

Coordinates: 47.254°N, 122.411°W

Port Intelligence Notes

Port Country

🇺🇸 US

Risk Classification

LOW — Standard port monitoring applies

Detection Share

1 of 16 total detections (6.2%)

Avg Distance from Port

3.5 NM — consistent with port proximity operations

Ownership Intelligence

MMSI registry · Flag state analysis · Beneficial ownership investigation

Vessel Name

GULF CAJUN

MMSI

369081000

Flag State (MMSI-derived)

🇺🇸 US

MID Code

369 → 🇺🇸 US

Primary Port

Seattle

Detection Period

12 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

Within or near physical limits for vessel type

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)