SAVIR TIGER

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                "max": 25,
                "detail": "Min distance 491m, avg 496m"
            },
            "duration": {
                "score": 10,
                "max": 25,
                "detail": "Duration 48 minutes"
            },
            "speed_stability": {
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                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
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            "distance_consistency": {
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                "max": 15,
                "detail": "Distance variance \u00b14m"
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                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Bosphorus\/Dardanelles Approach"
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        "summary": "Moderate-confidence STS candidate. Two tankers (HAVVA ANA and SAVIR TIGER) maintained close proximity (min 491m, avg 496m) for 48 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 Bosphorus\/Dardanelles Approach, a known STS activity area."
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                "detail": "Min distance 481m, avg 489m"
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            "end_ts": "2026-07-11T02:34:35+00:00"
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        "searched_at": "2026-07-11T06:30:01.723088+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
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{
    "vessel_a": {
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        "imo": 9005493,
        "name": "MARINA",
        "flag": "TANZANIA"
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        "imo": 9388730,
        "name": "SAVIR TIGER",
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    "speed_summary": {
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    "points_count": {
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        "vessel_b": 8
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    "zone_name": "Bosphorus\/Dardanelles Approach",
    "score": {
        "value": 75,
        "components": {
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                "score": 5,
                "max": 25,
                "detail": "Min distance 455m, avg 482m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 177 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
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            },
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                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b114m"
            },
            "isolation": {
                "score": 5,
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                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
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                "detail": "In monitored zone: Bosphorus\/Dardanelles Approach"
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{
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{
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{
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{
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{
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{
    "vessel_a": {
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    "points_count": {
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    "score": {
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        "components": {
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                "max": 25,
                "detail": "Min distance 234m, avg 248m"
            },
            "duration": {
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                "max": 25,
                "detail": "Duration 36 minutes"
            },
            "speed_stability": {
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                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
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                "max": 15,
                "detail": "Distance variance \u00b113m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Bosphorus\/Dardanelles Approach"
            }
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        "summary": "Moderate-confidence STS candidate. Two tankers (SPECIALITY and SAVIR TIGER) maintained close proximity (min 234m, avg 248m) for 36 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 Bosphorus\/Dardanelles Approach, a known STS activity area."
    }
}

{
    "vessel_a": {
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        "flag": "MARSHALL ISLANDS"
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            },
            "duration": {
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                "max": 25,
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            },
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            "context": {
                "score": 5,
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{
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    "points_in_zone": 8,
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{
    "zone_id": "osint_bosphorus",
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{
    "zone_id": "osint_bosphorus",
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    "points_in_zone": 12,
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{
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    "zone_id": "osint_bosphorus"
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{
    "zone_id": "osint_bosphorus",
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    "points_in_zone": 15,
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{
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    "zone_id": "osint_bosphorus"
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{
    "zone_id": "osint_bosphorus",
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{
    "radius_m": 57,
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    "zone_id": "osint_bosphorus"
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{
    "vessel_a": {
        "mmsi": 538012606,
        "imo": 9285184,
        "name": "SPECIALITY",
        "flag": "MARSHALL ISLANDS"
    },
    "vessel_b": {
        "mmsi": 525121076,
        "imo": 9388730,
        "name": "SAVIR TIGER",
        "flag": "INDONESIA"
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    "avg_distance_m": 438.5,
    "distance_consistency_m": 42,
    "duration_minutes": 241.69999999999998863131622783839702606201171875,
    "overlap_duration_s": 14503,
    "speed_a_avg": 0.059999999999999997779553950749686919152736663818359375,
    "speed_a_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
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            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
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        "vessel_b": {
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            "max_sog": 0
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    },
    "time_window": {
        "start": "2026-07-07T17:42:27+00:00",
        "end": "2026-07-07T21:44:10+00:00"
    },
    "points_count": {
        "vessel_a": 5,
        "vessel_b": 5
    },
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "score": {
        "value": 77,
        "components": {
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                "score": 10,
                "max": 25,
                "detail": "Min distance 366m, avg 438m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 242 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 12,
                "max": 15,
                "detail": "Distance variance \u00b142m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Bosphorus\/Dardanelles Approach"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (SPECIALITY and SAVIR TIGER) maintained close proximity (min 366m, avg 438m) for 242 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Bosphorus\/Dardanelles Approach, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
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            "lon": 28.767410399999999270903572323732078075408935546875
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            "start_ts": "2026-07-07T17:42:27+00:00",
            "end_ts": "2026-07-07T21:44:10+00:00"
        },
        "searched_at": "2026-07-07T22:45:02.090787+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "osint_bosphorus",
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    "first_point": {
        "ts": "2026-07-07T17:05:41+00:00",
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{
    "radius_m": 60.5,
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{
    "vessel_a": {
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        "flag": "INDONESIA"
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        "mmsi": 677054300,
        "imo": 9005493,
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        "flag": "TANZANIA"
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    "time_window": {
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    "points_count": {
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        "vessel_b": 7
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    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "score": {
        "value": 65,
        "components": {
            "distance_tightness": {
                "score": 5,
                "max": 25,
                "detail": "Min distance 467m, avg 472m"
            },
            "duration": {
                "score": 15,
                "max": 25,
                "detail": "Duration 66 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: Bosphorus\/Dardanelles Approach"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (SAVIR TIGER and MARINA) maintained close proximity (min 467m, avg 472m) for 66 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 Bosphorus\/Dardanelles Approach, a known STS activity area."
    }
}

{
    "vessel_a": {
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    },
    "time_window": {
        "start": "2026-07-07T16:23:39+00:00",
        "end": "2026-07-07T18:08:39+00:00"
    },
    "points_count": {
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        "vessel_b": 9
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    "zone_id": "osint_bosphorus",
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    "score": {
        "value": 70,
        "components": {
            "distance_tightness": {
                "score": 5,
                "max": 25,
                "detail": "Min distance 431m, avg 449m"
            },
            "duration": {
                "score": 20,
                "max": 25,
                "detail": "Duration 105 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b113m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Bosphorus\/Dardanelles Approach"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (SAVIR TIGER and SPECIALITY) maintained close proximity (min 431m, avg 449m) for 105 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 Bosphorus\/Dardanelles Approach, a known STS activity area."
    }
}

{
    "zone_id": "osint_bosphorus",
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{
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{
    "vessel_a": {
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        "flag": "MARSHALL ISLANDS"
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    "duration_minutes": 129,
    "overlap_duration_s": 7742,
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    "speed_summary": {
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    },
    "time_window": {
        "start": "2026-07-07T15:59:37+00:00",
        "end": "2026-07-07T18:08:39+00:00"
    },
    "points_count": {
        "vessel_a": 13,
        "vessel_b": 13
    },
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "score": {
        "value": 75,
        "components": {
            "distance_tightness": {
                "score": 5,
                "max": 25,
                "detail": "Min distance 431m, avg 452m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 129 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b112m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Bosphorus\/Dardanelles Approach"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (SAVIR TIGER and SPECIALITY) maintained close proximity (min 431m, avg 452m) for 129 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 Bosphorus\/Dardanelles Approach, a known STS activity area."
    }
}

{
    "vessel_a": {
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    "duration_minutes": 153,
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    },
    "time_window": {
        "start": "2026-07-07T15:23:38+00:00",
        "end": "2026-07-07T17:56:38+00:00"
    },
    "points_count": {
        "vessel_a": 14,
        "vessel_b": 14
    },
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "score": {
        "value": 75,
        "components": {
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                "score": 5,
                "max": 25,
                "detail": "Min distance 459m, avg 468m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 153 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: Bosphorus\/Dardanelles Approach"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (SAVIR TIGER and MARINA) maintained close proximity (min 459m, avg 468m) for 153 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 Bosphorus\/Dardanelles Approach, a known STS activity area."
    }
}

{
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "dwell_minutes": 384,
    "points_in_zone": 17,
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        "lon": 28.766619999999999635065250913612544536590576171875
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    "last_point": {
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        "lon": 28.7666617000000002235537976957857608795166015625
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}

{
    "radius_m": 72.400000000000005684341886080801486968994140625,
    "duration_minutes": 384,
    "points": 17,
    "centroid": {
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{
    "vessel_a": {
        "mmsi": 677054300,
        "imo": 9005493,
        "name": "MARINA",
        "flag": "TANZANIA"
    },
    "vessel_b": {
        "mmsi": 525121076,
        "imo": 9388730,
        "name": "SAVIR TIGER",
        "flag": "INDONESIA"
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    "distance_consistency_m": 5.79999999999999982236431605997495353221893310546875,
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    "speed_b_avg": 0.0200000000000000004163336342344337026588618755340576171875,
    "speed_b_std": 0.059999999999999997779553950749686919152736663818359375,
    "speed_summary": {
        "vessel_a": {
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            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
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    },
    "time_window": {
        "start": "2026-07-07T14:46:34+00:00",
        "end": "2026-07-07T16:16:36+00:00"
    },
    "points_count": {
        "vessel_a": 13,
        "vessel_b": 13
    },
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "score": {
        "value": 70,
        "components": {
            "distance_tightness": {
                "score": 5,
                "max": 25,
                "detail": "Min distance 449m, avg 461m"
            },
            "duration": {
                "score": 20,
                "max": 25,
                "detail": "Duration 90 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: Bosphorus\/Dardanelles Approach"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (MARINA and SAVIR TIGER) maintained close proximity (min 449m, avg 461m) for 90 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 Bosphorus\/Dardanelles Approach, a known STS activity area."
    }
}

{
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        "lon": 28.76680999999999954752638586796820163726806640625
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{
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{
    "vessel_a": {
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        "flag": "INDONESIA"
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    "vessel_b": {
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        "imo": 9005493,
        "name": "MARINA",
        "flag": "TANZANIA"
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    "min_distance_m": 446.69999999999998863131622783839702606201171875,
    "avg_distance_m": 468.1000000000000227373675443232059478759765625,
    "distance_consistency_m": 20.10000000000000142108547152020037174224853515625,
    "duration_minutes": 104.900000000000005684341886080801486968994140625,
    "overlap_duration_s": 6296,
    "speed_a_avg": 0.0299999999999999988897769753748434595763683319091796875,
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    "speed_b_avg": 0.11999999999999999555910790149937383830547332763671875,
    "speed_b_std": 0.1000000000000000055511151231257827021181583404541015625,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.0299999999999999988897769753748434595763683319091796875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
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        "vessel_b": {
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            "max_sog": 0.200000000000000011102230246251565404236316680908203125
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    },
    "time_window": {
        "start": "2026-07-07T13:11:37+00:00",
        "end": "2026-07-07T14:56:33+00:00"
    },
    "points_count": {
        "vessel_a": 4,
        "vessel_b": 4
    },
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "score": {
        "value": 70,
        "components": {
            "distance_tightness": {
                "score": 5,
                "max": 25,
                "detail": "Min distance 447m, avg 468m"
            },
            "duration": {
                "score": 20,
                "max": 25,
                "detail": "Duration 105 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b120m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Bosphorus\/Dardanelles Approach"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (SAVIR TIGER and MARINA) maintained close proximity (min 447m, avg 468m) for 105 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 Bosphorus\/Dardanelles Approach, a known STS activity area."
    }
}

{
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{
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "dwell_minutes": 345.1000000000000227373675443232059478759765625,
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{
    "radius_m": 183.19999999999998863131622783839702606201171875,
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