Incident Report · COASTGUARD X

COASTGUARD X

MARITIME SECURITY · INCIDENT EVIDENCE PACKAGE

INCIDENT REF · CGX-2026-0518-A

GENERATED · 2026-05-10T07:42Z

CLASS · OFFICIAL · SENSITIVE

SCENARIO

Suspicious vessel · LNG terminal

OPERATOR ON DUTY

Operator A · Supervisor J. Marin

MESH STATUS

5/5 buoys online

UAV ASSET

UAV-VTOL-3 · LOCK · EO · BATT 64%

THREAT ACTOR

9m RHIB · AIS-dark · 4 personnel

RESOLUTION

Vessel intercepted by patrol cutter

ENVIRONMENT

Sea state 3 · Wind 14 kn · Vis 8 NM

DURATION

T+12:40

1 · EXECUTIVE SUMMARY

The COASTGUARD X buoy mesh acquired an unidentified contact and the AI fusion engine raised the fused threat score to 78% within seconds of first detection. The operator on duty validated the recommendation and approved UAV dispatch under standard SOP. Visual classification was achieved during the search phase and the response track was handed to authority assets without incident. All sensor evidence, AI reasoning and operator decisions are preserved in this audit-grade evidence package.

2 · TIMELINE OF EVENTS

TIME	SOURCE	KIND	DESCRIPTION
T+00:00	BUOY-B2-02	DETECTION	Anomaly contact TGT-A1 acquired (conf 62%)
T+00:38	BUOY-B5-04	DETECTION	Underwater acoustic signature confirms small fast craft
T+00:55	AI-FUSION	AI	Threat score crossed 0.55 — AIS dark, multi-buoy, restricted bearing
T+01:12	OPERATOR-A	DECISION	UAV-VTOL-3 launch approved
T+02:48	UAV-VTOL-3	OBSERVATION	Visual confirmation: 9m RHIB · 4 PAX · no commercial markings
T+03:21	C2	ESCALATION	Coast Guard cutter dispatched · authority interception leg 02
T+12:40	C2	RESOLUTION	Vessel intercepted · evidence package archived to incident store

3 · AI REASONING TRACE

AIS disabled — spoofing risk
Speed 22 kn inconsistent with commercial profile
Multi-buoy correlation increases confidence
Approaching restricted LNG zone (within 10 map units)
UAV visual lock confirms small fast craft

4 · EVIDENCE INDEX

EO video clip · UAV asset · full lock segment
IR overlay · UAV asset · classification segment
Acoustic spectrogram · subsurface buoy · detection window
Radar / surface track export · full incident
Operator audit log (signed)

5 · OPERATOR DECISIONS & RESPONSE

Detection validated by operator: n/a
UAV launch approved: n/a
Patrol dispatched: n/a
HQ alerted: n/a
Escalated to Coast Guard authority: n/a

6 · LESSONS / RECOMMENDATIONS

Acquisition-to-classification time is within doctrine target. Recommend reviewing buoy spacing in the southern approach corridor to close residual partial coverage observed during this engagement, and scheduling an after-action replay with the duty watch.