KAPITAN DZHUMANOV

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{
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        "imo": 8711760,
        "name": "KAPITAN DZHUMANOV",
        "flag": "Russia"
    },
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        "mmsi": 273424720,
        "imo": 8724767,
        "name": "DMITRIY RULEVSKIY",
        "flag": "RUSSIA"
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    "time_window": {
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        "end": "2026-08-23T09:25:50+00:00"
    },
    "points_count": {
        "vessel_a": 9,
        "vessel_b": 9
    },
    "zone_id": "russia_ust_luga_approach",
    "zone_name": "Ust-Luga\/St. Petersburg Approach",
    "score": {
        "value": 72,
        "components": {
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                "score": 25,
                "max": 25,
                "detail": "Min distance 72m, avg 86m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 40 minutes"
            },
            "speed_stability": {
                "score": 17,
                "max": 20,
                "detail": "both nearly stationary; stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b121m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Ust-Luga\/St. Petersburg Approach"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (KAPITAN DZHUMANOV and DMITRIY RULEVSKIY) maintained close proximity (min 72m, avg 86m) for 40 minutes. Both vessels were slow-moving (avg speeds 0.3 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Ust-Luga\/St. Petersburg Approach, a known STS activity area."
    },
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        },
        "searched_at": "2026-08-23T09:45:13.056291+00:00",
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        "scene_datetime": "2026-08-23T04:24:57.903420Z",
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            "stored_path": "\/home\/fleetleaks\/public_html\/wp-content\/uploads\/fleetleaks-evidence\/sar-imagery\/2026\/08\/event_1101271_thumbnail_20260823094517.png",
            "source": "copernicus_dataspace"
        },
        "notes": "Preview available for manual review"
    }
}

{
    "vessel_a": {
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        "imo": 8411463,
        "name": "ABIGAIL",
        "flag": "RUSSIA"
    },
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        "name": "KAPITAN DZHUMANOV",
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        "end": "2026-08-23T09:32:05+00:00"
    },
    "points_count": {
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        "vessel_b": 9
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    "zone_id": "russia_ust_luga_approach",
    "zone_name": "Ust-Luga\/St. Petersburg Approach",
    "score": {
        "value": 77,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 76m, avg 80m"
            },
            "duration": {
                "score": 10,
                "max": 25,
                "detail": "Duration 46 minutes"
            },
            "speed_stability": {
                "score": 17,
                "max": 20,
                "detail": "both nearly stationary; stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b15m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Ust-Luga\/St. Petersburg Approach"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (ABIGAIL and KAPITAN DZHUMANOV) maintained close proximity (min 76m, avg 80m) for 46 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.2 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Ust-Luga\/St. Petersburg Approach, a known STS activity area."
    }
}

{
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{
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        "name": "KAPITAN DZHUMANOV",
        "flag": "Russia"
    },
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        "name": "ABIGAIL",
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        "start": "2026-08-23T07:51:17+00:00",
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    },
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        "vessel_b": 21
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    "zone_id": "russia_ust_luga_approach",
    "zone_name": "Ust-Luga\/St. Petersburg Approach",
    "score": {
        "value": 87,
        "components": {
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                "score": 25,
                "max": 25,
                "detail": "Min distance 67m, avg 80m"
            },
            "duration": {
                "score": 20,
                "max": 25,
                "detail": "Duration 94 minutes"
            },
            "speed_stability": {
                "score": 17,
                "max": 20,
                "detail": "both nearly stationary; stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b18m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Ust-Luga\/St. Petersburg Approach"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (KAPITAN DZHUMANOV and ABIGAIL) maintained close proximity (min 67m, avg 80m) for 94 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.1 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Ust-Luga\/St. Petersburg Approach, a known STS activity area."
    }
}

{
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{
    "zone_id": "russia_ust_luga_approach",
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{
    "vessel_a": {
        "mmsi": 273424720,
        "imo": 8724767,
        "name": "DMITRIY RULEVSKIY",
        "flag": "RUSSIA"
    },
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        "mmsi": 273294560,
        "imo": 8711760,
        "name": "KAPITAN DZHUMANOV",
        "flag": "Russia"
    },
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    "avg_distance_m": 76.5,
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    "overlap_duration_s": 12961,
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        "end": "2026-08-23T09:25:52+00:00"
    },
    "points_count": {
        "vessel_a": 8,
        "vessel_b": 8
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    "zone_id": "russia_ust_luga_approach",
    "zone_name": "Ust-Luga\/St. Petersburg Approach",
    "score": {
        "value": 92,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 65m, avg 76m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 216 minutes"
            },
            "speed_stability": {
                "score": 17,
                "max": 20,
                "detail": "both nearly stationary; stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b117m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Ust-Luga\/St. Petersburg Approach"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (DMITRIY RULEVSKIY and KAPITAN DZHUMANOV) maintained close proximity (min 65m, avg 76m) for 216 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.1 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Ust-Luga\/St. Petersburg Approach, a known STS activity area."
    },
    "sar": {
        "status": "inconclusive",
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            "end_ts": "2026-08-23T09:25:52+00:00"
        },
        "searched_at": "2026-08-23T12:30:06.748645+00:00",
        "scene_id": "S1D_IW_GRDH_1SDV_20260823T042457_20260823T042522_004248_007CEB_35C1_COG",
        "scene_datetime": "2026-08-23T04:24:57.903420Z",
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        "assets": {
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            "stored_path": "\/home\/fleetleaks\/public_html\/wp-content\/uploads\/fleetleaks-evidence\/sar-imagery\/2026\/08\/event_1102571_thumbnail_20260823123012.png",
            "source": "copernicus_dataspace"
        },
        "notes": "Preview available for manual review"
    }
}

{
    "vessel_a": {
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        "imo": 8411463,
        "name": "ABIGAIL",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 273294560,
        "imo": 8711760,
        "name": "KAPITAN DZHUMANOV",
        "flag": "Russia"
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    },
    "points_count": {
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        "vessel_b": 19
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    "zone_id": "russia_ust_luga_approach",
    "zone_name": "Ust-Luga\/St. Petersburg Approach",
    "score": {
        "value": 92,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 72m, avg 79m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 279 minutes"
            },
            "speed_stability": {
                "score": 17,
                "max": 20,
                "detail": "both nearly stationary; stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b16m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Ust-Luga\/St. Petersburg Approach"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ABIGAIL and KAPITAN DZHUMANOV) maintained close proximity (min 72m, avg 79m) for 279 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.1 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Ust-Luga\/St. Petersburg Approach, a known STS activity area."
    }
}

{
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    "last_point": {
        "ts": "2026-08-23T10:35:58+00:00",
        "lat": 59.9059400000000010777512216009199619293212890625,
        "lon": 30.078675000000000494537744089029729366302490234375
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{
    "radius_m": 1096.40000000000009094947017729282379150390625,
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}

{
    "vessel_a": {
        "mmsi": 273357610,
        "imo": 8915548,
        "name": "RYAZAN",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 273294560,
        "imo": 8711760,
        "name": "KAPITAN DZHUMANOV",
        "flag": "Russia"
    },
    "min_distance_m": 177.400000000000005684341886080801486968994140625,
    "avg_distance_m": 284,
    "distance_consistency_m": 105.5,
    "duration_minutes": 300,
    "overlap_duration_s": 18002,
    "speed_a_avg": 0.56999999999999995115018691649311222136020660400390625,
    "speed_a_std": 0.54000000000000003552713678800500929355621337890625,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.56999999999999995115018691649311222136020660400390625,
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        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-08-23T03:35:16+00:00",
        "end": "2026-08-23T08:35:18+00:00"
    },
    "points_count": {
        "vessel_a": 6,
        "vessel_b": 6
    },
    "zone_id": "russia_ust_luga_approach",
    "zone_name": "Ust-Luga\/St. Petersburg Approach",
    "score": {
        "value": 72,
        "components": {
            "distance_tightness": {
                "score": 20,
                "max": 25,
                "detail": "Min distance 177m, avg 284m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 300 minutes"
            },
            "speed_stability": {
                "score": 12,
                "max": 20,
                "detail": "both very slow; somewhat variable speeds"
            },
            "distance_consistency": {
                "score": 5,
                "max": 15,
                "detail": "Distance variance \u00b1106m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Ust-Luga\/St. Petersburg Approach"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (RYAZAN and KAPITAN DZHUMANOV) maintained close proximity (min 177m, avg 284m) for 300 minutes. Both vessels were slow-moving (avg speeds 0.6 and 0.0 knots). Event occurred in Ust-Luga\/St. Petersburg Approach, a known STS activity area."
    },
    "sar": {
        "status": "inconclusive",
        "centroid": {
            "lat": 59.8827605999999974528691382147371768951416015625,
            "lon": 30.2244361999999995305188349448144435882568359375
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        "time_window": {
            "start_ts": "2026-08-23T03:35:16+00:00",
            "end_ts": "2026-08-23T08:35:18+00:00"
        },
        "searched_at": "2026-08-23T10:00:14.438794+00:00",
        "scene_id": "S1D_IW_GRDH_1SDV_20260823T042457_20260823T042522_004248_007CEB_35C1_COG",
        "scene_datetime": "2026-08-23T04:24:57.903420Z",
        "platform": "sentinel-1d",
        "bbox": {
            "min_lon": 26.61877799999999893998392508365213871002197265625,
            "min_lat": 59.33255799999999879901224630884826183319091796875,
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        "assets": {
            "preview_url": "https:\/\/fleetleaks.com\/wp-content\/uploads\/fleetleaks-evidence\/sar-imagery\/2026\/08\/event_1101587_thumbnail_20260823100017.png",
            "stored_path": "\/home\/fleetleaks\/public_html\/wp-content\/uploads\/fleetleaks-evidence\/sar-imagery\/2026\/08\/event_1101587_thumbnail_20260823100017.png",
            "source": "copernicus_dataspace"
        },
        "notes": "Preview available for manual review"
    }
}

{
    "vessel_a": {
        "mmsi": 273318420,
        "imo": 8411463,
        "name": "ABIGAIL",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 273294560,
        "imo": 8711760,
        "name": "KAPITAN DZHUMANOV",
        "flag": "Russia"
    },
    "min_distance_m": 70.5,
    "avg_distance_m": 78.2000000000000028421709430404007434844970703125,
    "distance_consistency_m": 5.5999999999999996447286321199499070644378662109375,
    "duration_minutes": 339.19999999999998863131622783839702606201171875,
    "overlap_duration_s": 20350,
    "speed_a_avg": 0.0899999999999999966693309261245303787291049957275390625,
    "speed_a_std": 0.289999999999999980015985556747182272374629974365234375,
    "speed_b_avg": 0.0899999999999999966693309261245303787291049957275390625,
    "speed_b_std": 0.289999999999999980015985556747182272374629974365234375,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.0899999999999999966693309261245303787291049957275390625,
            "max_sog": 1.1999999999999999555910790149937383830547332763671875
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        "vessel_b": {
            "avg_sog": 0.0899999999999999966693309261245303787291049957275390625,
            "max_sog": 1
        }
    },
    "time_window": {
        "start": "2026-08-23T03:52:55+00:00",
        "end": "2026-08-23T09:32:05+00:00"
    },
    "points_count": {
        "vessel_a": 23,
        "vessel_b": 23
    },
    "zone_id": "russia_ust_luga_approach",
    "zone_name": "Ust-Luga\/St. Petersburg Approach",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 70m, avg 78m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 339 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b16m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Ust-Luga\/St. Petersburg Approach"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ABIGAIL and KAPITAN DZHUMANOV) maintained close proximity (min 70m, avg 78m) for 339 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.1 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Ust-Luga\/St. Petersburg Approach, a known STS activity area."
    }
}

{
    "zone_id": "russia_ust_luga_approach",
    "zone_name": "Ust-Luga\/St. Petersburg Approach",
    "dwell_minutes": 397.1000000000000227373675443232059478759765625,
    "points_in_zone": 101,
    "first_point": {
        "ts": "2026-08-23T03:50:59+00:00",
        "lat": 59.8817767000000031885065254755318164825439453125,
        "lon": 30.225971699999998776320353499613702297210693359375
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    "last_point": {
        "ts": "2026-08-23T10:28:08+00:00",
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        "lon": 30.106878300000001758007783791981637477874755859375
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}

{
    "radius_m": 1101.299999999999954525264911353588104248046875,
    "duration_minutes": 395,
    "points": 103,
    "centroid": {
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}

{
    "vessel_a": {
        "mmsi": 273294560,
        "imo": 8711760,
        "name": "KAPITAN DZHUMANOV",
        "flag": "Russia"
    },
    "vessel_b": {
        "mmsi": 273318420,
        "imo": 8411463,
        "name": "ABIGAIL",
        "flag": "RUSSIA"
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    "min_distance_m": 72.099999999999994315658113919198513031005859375,
    "avg_distance_m": 76.7999999999999971578290569595992565155029296875,
    "distance_consistency_m": 3.5,
    "duration_minutes": 30.5,
    "overlap_duration_s": 1829,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-08-23T02:01:38+00:00",
        "end": "2026-08-23T02:32:07+00:00"
    },
    "points_count": {
        "vessel_a": 10,
        "vessel_b": 10
    },
    "zone_id": "russia_ust_luga_approach",
    "zone_name": "Ust-Luga\/St. Petersburg Approach",
    "score": {
        "value": 75,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 72m, avg 77m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 30 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b14m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Ust-Luga\/St. Petersburg Approach"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (KAPITAN DZHUMANOV and ABIGAIL) maintained close proximity (min 72m, avg 77m) for 30 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Ust-Luga\/St. Petersburg Approach, a known STS activity area."
    },
    "sar": {
        "status": "inconclusive",
        "centroid": {
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            "lon": 30.225314000000000902446117834188044071197509765625
        },
        "time_window": {
            "start_ts": "2026-08-23T02:01:38+00:00",
            "end_ts": "2026-08-23T02:32:07+00:00"
        },
        "searched_at": "2026-08-23T05:00:01.937061+00:00",
        "scene_id": "S1C_IW_GRDH_1SDV_20260822T154739_20260822T154804_009110_012160_243F_COG",
        "scene_datetime": "2026-08-22T15:47:39.445191Z",
        "platform": "sentinel-1c",
        "bbox": {
            "min_lon": 25.16883500000000140062184073030948638916015625,
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            "max_lon": 30.41223000000000098452801466919481754302978515625,
            "max_lat": 60.79593299999999800320438225753605365753173828125
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        "assets": {
            "preview_url": "https:\/\/fleetleaks.com\/wp-content\/uploads\/fleetleaks-evidence\/sar-imagery\/2026\/08\/event_1099188_thumbnail_20260823050006.png",
            "stored_path": "\/home\/fleetleaks\/public_html\/wp-content\/uploads\/fleetleaks-evidence\/sar-imagery\/2026\/08\/event_1099188_thumbnail_20260823050006.png",
            "source": "copernicus_dataspace"
        },
        "notes": "Preview available for manual review"
    }
}

{
    "vessel_a": {
        "mmsi": 273318420,
        "imo": 8411463,
        "name": "ABIGAIL",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 273294560,
        "imo": 8711760,
        "name": "KAPITAN DZHUMANOV",
        "flag": "Russia"
    },
    "min_distance_m": 70.5,
    "avg_distance_m": 75,
    "distance_consistency_m": 3.79999999999999982236431605997495353221893310546875,
    "duration_minutes": 229.5,
    "overlap_duration_s": 13768,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_b_std": 0.0899999999999999966693309261245303787291049957275390625,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0.0299999999999999988897769753748434595763683319091796875,
            "max_sog": 0.299999999999999988897769753748434595763683319091796875
        }
    },
    "time_window": {
        "start": "2026-08-23T01:08:06+00:00",
        "end": "2026-08-23T04:57:34+00:00"
    },
    "points_count": {
        "vessel_a": 10,
        "vessel_b": 10
    },
    "zone_id": "russia_ust_luga_approach",
    "zone_name": "Ust-Luga\/St. Petersburg Approach",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 70m, avg 75m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 230 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b14m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Ust-Luga\/St. Petersburg Approach"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ABIGAIL and KAPITAN DZHUMANOV) maintained close proximity (min 70m, avg 75m) for 230 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Ust-Luga\/St. Petersburg Approach, a known STS activity area."
    },
    "sar": {
        "status": "inconclusive",
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            "lon": 30.225306700000000859063220559619367122650146484375
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        "time_window": {
            "start_ts": "2026-08-23T01:08:06+00:00",
            "end_ts": "2026-08-23T04:57:34+00:00"
        },
        "searched_at": "2026-08-23T07:45:08.352601+00:00",
        "scene_id": "S1D_IW_GRDH_1SDV_20260823T042457_20260823T042522_004248_007CEB_35C1_COG",
        "scene_datetime": "2026-08-23T04:24:57.903420Z",
        "platform": "sentinel-1d",
        "bbox": {
            "min_lon": 26.61877799999999893998392508365213871002197265625,
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            "max_lon": 31.9297100000000000363797880709171295166015625,
            "max_lat": 61.26119200000000120098775369115173816680908203125
        },
        "assets": {
            "preview_url": "https:\/\/fleetleaks.com\/wp-content\/uploads\/fleetleaks-evidence\/sar-imagery\/2026\/08\/event_1100308_thumbnail_20260823074512.png",
            "stored_path": "\/home\/fleetleaks\/public_html\/wp-content\/uploads\/fleetleaks-evidence\/sar-imagery\/2026\/08\/event_1100308_thumbnail_20260823074512.png",
            "source": "copernicus_dataspace"
        },
        "notes": "Preview available for manual review"
    }
}

{
    "vessel_a": {
        "mmsi": 273294560,
        "imo": 8711760,
        "name": "KAPITAN DZHUMANOV",
        "flag": "Russia"
    },
    "vessel_b": {
        "mmsi": 273424720,
        "imo": 8724767,
        "name": "DMITRIY RULEVSKIY",
        "flag": "RUSSIA"
    },
    "min_distance_m": 65.900000000000005684341886080801486968994140625,
    "avg_distance_m": 72.7999999999999971578290569595992565155029296875,
    "distance_consistency_m": 4,
    "duration_minutes": 60.2999999999999971578290569595992565155029296875,
    "overlap_duration_s": 3620,
    "speed_a_avg": 0.2200000000000000011102230246251565404236316680908203125,
    "speed_a_std": 0.2200000000000000011102230246251565404236316680908203125,
    "speed_b_avg": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_b_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.2200000000000000011102230246251565404236316680908203125,
            "max_sog": 0.8000000000000000444089209850062616169452667236328125
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            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
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    },
    "time_window": {
        "start": "2026-08-23T00:25:38+00:00",
        "end": "2026-08-23T01:25:58+00:00"
    },
    "points_count": {
        "vessel_a": 15,
        "vessel_b": 15
    },
    "zone_id": "russia_ust_luga_approach",
    "zone_name": "Ust-Luga\/St. Petersburg Approach",
    "score": {
        "value": 85,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 66m, avg 73m"
            },
            "duration": {
                "score": 15,
                "max": 25,
                "detail": "Duration 60 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b14m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Ust-Luga\/St. Petersburg Approach"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (KAPITAN DZHUMANOV and DMITRIY RULEVSKIY) maintained close proximity (min 66m, avg 73m) for 60 minutes. Both vessels were slow-moving (avg speeds 0.2 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Ust-Luga\/St. Petersburg Approach, a known STS activity area."
    }
}

{
    "vessel_a": {
        "mmsi": 273294560,
        "imo": 8711760,
        "name": "KAPITAN DZHUMANOV",
        "flag": "Russia"
    },
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        "mmsi": 273318420,
        "imo": 8411463,
        "name": "ABIGAIL",
        "flag": "RUSSIA"
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    "min_distance_m": 71.7000000000000028421709430404007434844970703125,
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    "distance_consistency_m": 3.29999999999999982236431605997495353221893310546875,
    "duration_minutes": 69,
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    "speed_b_std": 0,
    "speed_summary": {
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        "vessel_b": {
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            "max_sog": 0
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    },
    "time_window": {
        "start": "2026-08-23T00:04:19+00:00",
        "end": "2026-08-23T01:13:19+00:00"
    },
    "points_count": {
        "vessel_a": 21,
        "vessel_b": 21
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    "zone_id": "russia_ust_luga_approach",
    "zone_name": "Ust-Luga\/St. Petersburg Approach",
    "score": {
        "value": 85,
        "components": {
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                "score": 25,
                "max": 25,
                "detail": "Min distance 72m, avg 76m"
            },
            "duration": {
                "score": 15,
                "max": 25,
                "detail": "Duration 69 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b13m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Ust-Luga\/St. Petersburg Approach"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (KAPITAN DZHUMANOV and ABIGAIL) maintained close proximity (min 72m, avg 76m) for 69 minutes. Both vessels were slow-moving (avg speeds 0.2 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Ust-Luga\/St. Petersburg Approach, a known STS activity area."
    }
}

{
    "zone_id": "russia_ust_luga_approach",
    "zone_name": "Ust-Luga\/St. Petersburg Approach",
    "dwell_minutes": 387,
    "points_in_zone": 105,
    "first_point": {
        "ts": "2026-08-23T00:56:58+00:00",
        "lat": 59.88170670000000228583303396590054035186767578125,
        "lon": 30.22593499999999977490006131120026111602783203125
    },
    "last_point": {
        "ts": "2026-08-23T07:23:59+00:00",
        "lat": 59.88173499999999904730429989285767078399658203125,
        "lon": 30.225951699999999533474692725576460361480712890625
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}

{
    "radius_m": 11.699999999999999289457264239899814128875732421875,
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    "points": 105,
    "centroid": {
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    "zone_id": "russia_ust_luga_approach"
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{
    "vessel_a": {
        "mmsi": 273424720,
        "imo": 8724767,
        "name": "DMITRIY RULEVSKIY",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 273294560,
        "imo": 8711760,
        "name": "KAPITAN DZHUMANOV",
        "flag": "Russia"
    },
    "min_distance_m": 67.5,
    "avg_distance_m": 71,
    "distance_consistency_m": 3.100000000000000088817841970012523233890533447265625,
    "duration_minutes": 387.3999999999999772626324556767940521240234375,
    "overlap_duration_s": 23241,
    "speed_a_avg": 0.01000000000000000020816681711721685132943093776702880859375,
    "speed_a_std": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_b_avg": 0.1499999999999999944488848768742172978818416595458984375,
    "speed_b_std": 0.2200000000000000011102230246251565404236316680908203125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.01000000000000000020816681711721685132943093776702880859375,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
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        "vessel_b": {
            "avg_sog": 0.1499999999999999944488848768742172978818416595458984375,
            "max_sog": 0.8000000000000000444089209850062616169452667236328125
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    },
    "time_window": {
        "start": "2026-08-22T23:57:31+00:00",
        "end": "2026-08-23T06:24:52+00:00"
    },
    "points_count": {
        "vessel_a": 17,
        "vessel_b": 17
    },
    "zone_id": "russia_ust_luga_approach",
    "zone_name": "Ust-Luga\/St. Petersburg Approach",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 68m, avg 71m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 387 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b13m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Ust-Luga\/St. Petersburg Approach"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (DMITRIY RULEVSKIY and KAPITAN DZHUMANOV) maintained close proximity (min 68m, avg 71m) for 387 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.1 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Ust-Luga\/St. Petersburg Approach, a known STS activity area."
    }
}

{
    "zone_id": "russia_ust_luga_approach",
    "zone_name": "Ust-Luga\/St. Petersburg Approach",
    "dwell_minutes": 393.19999999999998863131622783839702606201171875,
    "points_in_zone": 108,
    "first_point": {
        "ts": "2026-08-22T23:54:08+00:00",
        "lat": 59.88168329999999883739292272366583347320556640625,
        "lon": 30.225905000000000910631570150144398212432861328125
    },
    "last_point": {
        "ts": "2026-08-23T06:27:19+00:00",
        "lat": 59.8817099999999982173903845250606536865234375,
        "lon": 30.22597499999999826059138285927474498748779296875
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}

{
    "radius_m": 11.800000000000000710542735760100185871124267578125,
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    "points": 108,
    "centroid": {
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        "min_lat": 59.88165169999999903893694863654673099517822265625,
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}

{
    "zone_id": "russia_ust_luga_approach",
    "zone_name": "Ust-Luga\/St. Petersburg Approach",
    "dwell_minutes": 396,
    "points_in_zone": 105,
    "first_point": {
        "ts": "2026-08-22T22:52:18+00:00",
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        "ts": "2026-08-23T05:28:18+00:00",
        "lat": 59.88168329999999883739292272366583347320556640625,
        "lon": 30.22593669999999832498360774479806423187255859375
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}

{
    "radius_m": 123.7000000000000028421709430404007434844970703125,
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    "points": 105,
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        "lon": 30.22615628380953722853519138880074024200439453125
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        "min_lat": 59.88110000000000354702933691442012786865234375,
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    "zone_id": "russia_ust_luga_approach"
}

{
    "vessel_a": {
        "mmsi": 273318420,
        "imo": 8411463,
        "name": "ABIGAIL",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 273294560,
        "imo": 8711760,
        "name": "KAPITAN DZHUMANOV",
        "flag": "Russia"
    },
    "min_distance_m": 70.5,
    "avg_distance_m": 81.2000000000000028421709430404007434844970703125,
    "distance_consistency_m": 27.699999999999999289457264239899814128875732421875,
    "duration_minutes": 380.69999999999998863131622783839702606201171875,
    "overlap_duration_s": 22840,
    "speed_a_avg": 0,
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    "speed_b_avg": 0.179999999999999993338661852249060757458209991455078125,
    "speed_b_std": 0.25,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0.179999999999999993338661852249060757458209991455078125,
            "max_sog": 0.8000000000000000444089209850062616169452667236328125
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    },
    "time_window": {
        "start": "2026-08-22T22:36:54+00:00",
        "end": "2026-08-23T04:57:34+00:00"
    },
    "points_count": {
        "vessel_a": 23,
        "vessel_b": 23
    },
    "zone_id": "russia_ust_luga_approach",
    "zone_name": "Ust-Luga\/St. Petersburg Approach",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 70m, avg 81m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 381 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b128m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Ust-Luga\/St. Petersburg Approach"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ABIGAIL and KAPITAN DZHUMANOV) maintained close proximity (min 70m, avg 81m) for 381 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.2 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Ust-Luga\/St. Petersburg Approach, a known STS activity area."
    }
}

{
    "vessel_a": {
        "mmsi": 273318420,
        "imo": 8411463,
        "name": "ABIGAIL",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 273294560,
        "imo": 8711760,
        "name": "KAPITAN DZHUMANOV",
        "flag": "Russia"
    },
    "min_distance_m": 71.7000000000000028421709430404007434844970703125,
    "avg_distance_m": 109.2000000000000028421709430404007434844970703125,
    "distance_consistency_m": 58,
    "duration_minutes": 379.6000000000000227373675443232059478759765625,
    "overlap_duration_s": 22779,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0.179999999999999993338661852249060757458209991455078125,
    "speed_b_std": 0.25,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0.179999999999999993338661852249060757458209991455078125,
            "max_sog": 0.8000000000000000444089209850062616169452667236328125
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    },
    "time_window": {
        "start": "2026-08-22T21:48:35+00:00",
        "end": "2026-08-23T04:08:14+00:00"
    },
    "points_count": {
        "vessel_a": 24,
        "vessel_b": 24
    },
    "zone_id": "russia_ust_luga_approach",
    "zone_name": "Ust-Luga\/St. Petersburg Approach",
    "score": {
        "value": 88,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 72m, avg 109m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 380 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 8,
                "max": 15,
                "detail": "Distance variance \u00b158m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Ust-Luga\/St. Petersburg Approach"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (ABIGAIL and KAPITAN DZHUMANOV) maintained close proximity (min 72m, avg 109m) for 380 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.2 knots). Moderate distance variation observed during the encounter. Event occurred in Ust-Luga\/St. Petersburg Approach, a known STS activity area."
    }
}

{
    "zone_id": "russia_ust_luga_approach",
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        "lon": 30.22822000000000031150193535722792148590087890625
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}

{
    "radius_m": 118.2999999999999971578290569595992565155029296875,
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{
    "vessel_a": {
        "mmsi": 273424720,
        "imo": 8724767,
        "name": "DMITRIY RULEVSKIY",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 273294560,
        "imo": 8711760,
        "name": "KAPITAN DZHUMANOV",
        "flag": "Russia"
    },
    "min_distance_m": 63.60000000000000142108547152020037174224853515625,
    "avg_distance_m": 134.5,
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    "overlap_duration_s": 12450,
    "speed_a_avg": 0,
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    "speed_b_std": 0.320000000000000006661338147750939242541790008544921875,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
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    },
    "time_window": {
        "start": "2026-08-22T20:39:12+00:00",
        "end": "2026-08-23T00:06:42+00:00"
    },
    "points_count": {
        "vessel_a": 8,
        "vessel_b": 8
    },
    "zone_id": "russia_ust_luga_approach",
    "zone_name": "Ust-Luga\/St. Petersburg Approach",
    "score": {
        "value": 85,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 64m, avg 134m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 208 minutes"
            },
            "speed_stability": {
                "score": 17,
                "max": 20,
                "detail": "both nearly stationary; stable speeds"
            },
            "distance_consistency": {
                "score": 8,
                "max": 15,
                "detail": "Distance variance \u00b169m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Ust-Luga\/St. Petersburg Approach"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (DMITRIY RULEVSKIY and KAPITAN DZHUMANOV) maintained close proximity (min 64m, avg 134m) for 208 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.3 knots). Moderate distance variation observed during the encounter. Event occurred in Ust-Luga\/St. Petersburg Approach, a known STS activity area."
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}

{
    "zone_id": "russia_ust_luga_approach",
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{
    "radius_m": 129.599999999999994315658113919198513031005859375,
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{
    "gap_minutes": 298,
    "last_seen": {
        "ts": "2026-08-18T06:13:26+00:00",
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    "gap_enrichment": {
        "status": "done",
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                "ts": "2026-08-18T06:13:26+00:00"
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        "sar": {
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            "scene_time": "2026-08-18T04:16:53.100642Z",
            "platform": "sentinel-1d",
            "assets": {
                "preview_url": "https:\/\/fleetleaks.com\/wp-content\/uploads\/fleetleaks-evidence\/sar-imagery\/2026\/08\/event_1087516_thumbnail_20260818113012.png",
                "stored_path": "\/home\/fleetleaks\/public_html\/wp-content\/uploads\/fleetleaks-evidence\/sar-imagery\/2026\/08\/event_1087516_thumbnail_20260818113012.png",
                "source": "copernicus_dataspace"
            },
            "notes": "SAR snapshot available for review"
        },
        "viirs": {
            "status": "not_found",
            "notes": "No VIIRS thermal\/light detections in corridor"
        },
        "searched_at": "2026-08-18T11:30:08.423681+00:00"
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}

{
    "zone_id": "russia_ust_luga_approach",
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