#260 STEALTH // Vessel Intelligence System

Intelligence Overview

STEALTH · MMSI 368007410 · 🇺🇸 US · Primary Port: Tacoma

PERIOD: JAN–DEC 2024

⚠ INTELLIGENCE ASSESSMENT: STEALTH ranks #260 of 69,461 monitored vessels with 83 anomalous detections across 12 months. Composite risk score: 0.9500 (CRITICAL). Active alert types: SPEED_ANOMALY, POSITION_JUMP, ZIGZAG.

Global Rank

#260

of 69,461 vessels

Composite Score

0.9500

CRITICAL

Total Detections

83

Months Active

12/12

Unique Ports

5

Position Jumps

10

GPS spoofing

Speed Anomalies

27

Max Speed

87.6 kn

Max Jump

678km

Monthly Detection Volume

1
2

10
2

11
4

12
3

2
4

3
6

4
32

2024 MONTHLY DETECTIONS

Alert Type Distribution

SPEED_ANOMALY

27

ZIGZAG

16

POSITION_JUMP

10

Key Intelligence Findings

GPS Spoofing — 10 Position Jumps

AIS coordinates fabricated at impossible locations. Maximum jump of 678 km confirms the AIS transmitter is broadcasting false positions. Systematic identity concealment is in progress.

Velocity Fraud — 27 Speed Anomaly Events

AIS SOG field manipulated to broadcast physically impossible speeds up to 87.6 knots. Systematic falsification of movement data to corrupt automated tracking algorithms.

Evasion Navigation — 16 Zigzag Events

Erratic course-over-ground patterns up to 150.4° std deviation, far exceeding the 50° anomaly threshold. Pattern consistent with surveillance evasion maneuvers.

Port Detection Summary

🇺🇸

Tacoma

37

avg 0.702

🇺🇸

Seattle

7

avg 0.743

🇺🇸

Portland OR

7

avg 0.751

🇨🇦

Prince Rupert

1

avg 0.950

🇨🇦

Vancouver

1

avg 0.950

Monthly Alert Log — All Months

Month	Detections	Severity	Score	Nearest Port	Alert Types
January 2024	2	CRITICAL	0.9000	Tacoma	SPEED_ANOMALY; ZIGZAG
February 2024	4	CRITICAL	0.9000	Seattle	SPEED_ANOMALY; ZIGZAG
March 2024	6	CRITICAL	0.9000	Tacoma	SPEED_ANOMALY; ZIGZAG
April 2024	32	CRITICAL	0.9500	Tacoma	SPEED_ANOMALY; ZIGZAG; POSITION_JUMP
May 2024	13	CRITICAL	0.9197	Tacoma	SPEED_ANOMALY; ZIGZAG; POSITION_JUMP
June 2024	9	CRITICAL	0.9000	Tacoma	SPEED_ANOMALY; ZIGZAG
July 2024	5	HIGH	0.7956	Tacoma	DARK_VESSEL; SPEED_ANOMALY; ZIGZAG
August 2024	1	CRITICAL	0.9000	Tacoma	ZIGZAG
September 2024	2	CRITICAL	0.9000	Tacoma	SPEED_ANOMALY; ZIGZAG
October 2024	2	CRITICAL	0.9000	Tacoma	SPEED_ANOMALY; ZIGZAG
November 2024	4	CRITICAL	0.9000	Tacoma	SPEED_ANOMALY; ZIGZAG
December 2024	3	HIGH	0.8947	Tacoma	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

Indicator	Status	Evidence	Confidence
AIS Blackout / Dark Vessel	NOT DETECTED	—	LOW
GPS Spoofing / Position Jump	CONFIRMED	10 jumps · max 678.5km	CRITICAL
Velocity Fraud / Speed Anomaly	CONFIRMED	27 events · max 87.6 kn	CRITICAL
Evasion Navigation / Zigzag	CONFIRMED	16 events · max COG std 150.4°	HIGH
Ship-to-Ship Rendezvous	NOT DETECTED	—	LOW
Multi-Port Operations	CONFIRMED	5 unique ports	HIGH

Operational Profile

Primary AO

Tacoma and surrounding maritime zone

Active Period

12 months of continuous alert activity in 2024

Alert Density

83 detections across 53 individual events (avg 6.9/month)

Active Techniques

⚡ SPEED ⊕ POS JUMP ⟳ ZIGZAG

Threat Category

High-Confidence AIS Manipulation — Multiple confirmed evasion techniques

TTP Analysis

Tactics, Techniques & Procedures — Maritime ATT&CK Framework

MAR-T001

RTE-ANO-001

Velocity Fraud

AIS SOG field manipulation to broadcast impossible speeds up to 87.6 kn. Corrupts automated tracking algorithms and creates false movement vectors. Count: 27 events.

HIGH CONFIDENCE
27 events

MAR-T003

RTE-ANO-005

Evasion Navigation

Erratic COG changes exceeding 50° threshold (max 150.4°). Consistent with surveillance evasion or at-anchor AIS manipulation. Count: 16 events.

HIGH CONFIDENCE
16 events

MAR-T002

AIS-MAN-003

GPS Spoofing

GPS coordinate spoofing — AIS positions fabricated at impossible locations. Max jump: 678.5km. Implies deliberate identity concealment. Count: 10 events.

HIGH CONFIDENCE
10 events

Risk Analysis

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

Composite Score

0.9500

CRITICAL

Avg Detection Score

0.8967

Global Rank

#260

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	10	×2	20.0
SPEED_ANOMALY	27	×1	27.0
ZIGZAG	16	×0.5	8.0
MaxSingleScore	0.9500	×50	47.5
COMPOSITE TOTAL	Normalized [0,1]		0.9500 CRITICAL

⚡ Speed Anomaly Detections

Indicator: RTE-ANO-001 · 27 events · Max: 87.6 kn

AIS SOG FRAUD

Speed anomaly events are triggered when AIS Speed Over Ground (SOG) exceeds the 30-knot detection threshold. STEALTH reports speeds up to 87.6 kn — consistent with deliberate AIS SOG field manipulation to corrupt tracking algorithms.

Total Events

27

Max Reported SOG

87.6 kn

Indicator ID

RTE-ANO-001

Speed Anomaly Events (Top 50 by score)

Date	Max SOG (kn)	Score	Severity	Port	Coordinates

⊕ Position Jump Detections

Indicator: AIS-MAN-003 · 10 events · Max jump: 678 km

GPS SPOOFING

Position jumps confirm GPS coordinate spoofing — AIS positions fabricated at impossible locations. STEALTH has 10 confirmed position jumps with maximum displacement of 678 km.

Total Events

10

Max Jump Distance

678 km

Indicator ID

AIS-MAN-003

Position Jump Events (Top 50 by distance)

Date	Jump (km)	Implied Speed (kn)	Score	Severity	Spoofed-To Port	Coordinates

⟳ Zigzag / Erratic Navigation

Indicator: RTE-ANO-005 · 16 events · Max COG std: 150.4°

EVASION PATTERN

Zigzag events are triggered when course-over-ground (COG) standard deviation exceeds 50°. STEALTH records COG deviations up to 150.4° — consistent with surveillance evasion maneuvers or at-anchor AIS noise manipulation.

Total Events

16

Max COG Std Dev

150.4°

Threshold

50°

Zigzag Events (Top 50 by COG deviation)

Date	COG Std Dev (°)	Score	Severity	Port	Coordinates

Port History

5 distinct port areas · US primary flag state

Complete Port Detection Summary

Port	Country	Detections	Avg Score	Avg Dist NM	Risk
Tacoma	🇺🇸	37	0.7019	16.6	STANDARD
Seattle	🇺🇸	7	0.7427	20.3	STANDARD
Portland OR	🇺🇸	7	0.7511	181.1	STANDARD
Prince Rupert	🇨🇦	1	0.9500	267.1	STANDARD
Vancouver	🇨🇦	1	0.9500	266.1	STANDARD

🇺🇸 Tacoma — Port Profile

37 detections · Avg score 0.7019 · Avg distance 16.6 NM

LOW RISK

Total Detections

37

Primary port of operation

Avg Alert Score

0.7019

Avg Distance NM

16.6

Port proximity zone

Detection Types at Tacoma

SPEED_ANOMALY

18

ZIGZAG

13

POSITION_JUMP

6

Coordinates: 47.254°N, 122.411°W

Port Intelligence Notes

Port Country

🇺🇸 US

Risk Classification

LOW — Standard port monitoring applies

Detection Share

37 of 53 total detections (69.8%)

Avg Distance from Port

16.6 NM — consistent with port proximity operations

🇺🇸 Seattle — Port Profile

7 detections · Avg score 0.7427 · Avg distance 20.3 NM

LOW RISK

Total Detections

7

Secondary port

Avg Alert Score

0.7427

Avg Distance NM

20.3

Port proximity zone

Detection Types at Seattle

SPEED_ANOMALY

4

ZIGZAG

3

Coordinates: 47.601°N, 122.334°W

Port Intelligence Notes

Port Country

🇺🇸 US

Risk Classification

LOW — Standard port monitoring applies

Detection Share

7 of 53 total detections (13.2%)

Avg Distance from Port

20.3 NM — consistent with port proximity operations

🇺🇸 Portland OR — Port Profile

7 detections · Avg score 0.7511 · Avg distance 181.1 NM

LOW RISK

Total Detections

7

Secondary port

Avg Alert Score

0.7511

Avg Distance NM

181.1

Port proximity zone

Detection Types at Portland OR

SPEED_ANOMALY

4

POSITION_JUMP

3

Port Intelligence Notes

Port Country

🇺🇸 US

Risk Classification

LOW — Standard port monitoring applies

Detection Share

7 of 53 total detections (13.2%)

Avg Distance from Port

181.1 NM — consistent with port proximity operations

🇨🇦 Prince Rupert — Port Profile

1 detections · Avg score 0.9500 · Avg distance 267.1 NM

LOW RISK

Total Detections

1

Secondary port

Avg Alert Score

0.9500

Avg Distance NM

267.1

Possible spoofed coords

Detection Types at Prince Rupert

POSITION_JUMP

1

Coordinates: 54.317°N, 130.327°W

Port Intelligence Notes

Port Country

🇨🇦 CA

Risk Classification

LOW — Standard port monitoring applies

Detection Share

1 of 53 total detections (1.9%)

Avg Distance from Port

267.1 NM — anomalously high, suggests spoofed coordinates

🇨🇦 Vancouver — Port Profile

1 detections · Avg score 0.9500 · Avg distance 266.1 NM

LOW RISK

Total Detections

1

Secondary port

Avg Alert Score

0.9500

Avg Distance NM

266.1

Possible spoofed coords

Detection Types at Vancouver

SPEED_ANOMALY

1

Coordinates: 49.283°N, 123.120°W

Port Intelligence Notes

Port Country

🇨🇦 CA

Risk Classification

LOW — Standard port monitoring applies

Detection Share

1 of 53 total detections (1.9%)

Avg Distance from Port

266.1 NM — anomalously high, suggests spoofed coordinates

Ownership Intelligence

MMSI registry · Flag state analysis · Beneficial ownership investigation

Vessel Name

STEALTH

MMSI

368007410

Flag State (MMSI-derived)

🇺🇸 US

MID Code

368 → 🇺🇸 US

Primary Port

Tacoma

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

Reported 87.6 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)