MAMMA MARIA

{
    "vessel_a": {
        "mmsi": 636022195,
        "imo": 9286542,
        "name": "PUTUOSHAN",
        "flag": "LIBERIA"
    },
    "vessel_b": {
        "mmsi": 636026182,
        "imo": 9374844,
        "name": "MAMMA MARIA",
        "flag": "LIBERIA"
    },
    "min_distance_m": 37.7000000000000028421709430404007434844970703125,
    "avg_distance_m": 110.099999999999994315658113919198513031005859375,
    "distance_consistency_m": 60.89999999999999857891452847979962825775146484375,
    "duration_minutes": 67.7000000000000028421709430404007434844970703125,
    "overlap_duration_s": 4059,
    "speed_a_avg": 1.2199999999999999733546474089962430298328399658203125,
    "speed_a_std": 0.059999999999999997779553950749686919152736663818359375,
    "speed_b_avg": 1.20999999999999996447286321199499070644378662109375,
    "speed_b_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 1.2199999999999999733546474089962430298328399658203125,
            "max_sog": 1.3000000000000000444089209850062616169452667236328125
        },
        "vessel_b": {
            "avg_sog": 1.20999999999999996447286321199499070644378662109375,
            "max_sog": 1.3000000000000000444089209850062616169452667236328125
        }
    },
    "time_window": {
        "start": "2026-06-01T15:15:31+00:00",
        "end": "2026-06-01T16:23:10+00:00"
    },
    "points_count": {
        "vessel_a": 12,
        "vessel_b": 12
    },
    "zone_id": "discovered_001",
    "zone_name": "Strait of Gibraltar Surveillance Zone",
    "score": {
        "value": 73,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 38m, avg 110m"
            },
            "duration": {
                "score": 15,
                "max": 25,
                "detail": "Duration 68 minutes"
            },
            "speed_stability": {
                "score": 15,
                "max": 20,
                "detail": "both slow; very stable speeds"
            },
            "distance_consistency": {
                "score": 8,
                "max": 15,
                "detail": "Distance variance \u00b161m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Strait of Gibraltar Surveillance Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (PUTUOSHAN and MAMMA MARIA) maintained close proximity (min 38m, avg 110m) for 68 minutes. Both vessels were slow-moving (avg speeds 1.2 and 1.2 knots). Moderate distance variation observed during the encounter. Event occurred in Strait of Gibraltar Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_001",
    "zone_name": "Strait of Gibraltar Surveillance Zone",
    "dwell_minutes": 79.7999999999999971578290569595992565155029296875,
    "points_in_zone": 15,
    "first_point": {
        "ts": "2026-06-01T15:04:31+00:00",
        "lat": 35.773470000000003210516297258436679840087890625,
        "lon": -4.79000000000000003552713678800500929355621337890625
    },
    "last_point": {
        "ts": "2026-06-01T16:24:21+00:00",
        "lat": 35.80133330000000313475538860075175762176513671875,
        "lon": -4.7879217000000000581394488108344376087188720703125
    }
}

{
    "vessel_a": {
        "mmsi": 636022195,
        "imo": 9286542,
        "name": "PUTUOSHAN",
        "flag": "LIBERIA"
    },
    "vessel_b": {
        "mmsi": 636026182,
        "imo": 9374844,
        "name": "MAMMA MARIA",
        "flag": "LIBERIA"
    },
    "min_distance_m": 6.5999999999999996447286321199499070644378662109375,
    "avg_distance_m": 75,
    "distance_consistency_m": 57.7000000000000028421709430404007434844970703125,
    "duration_minutes": 141.69999999999998863131622783839702606201171875,
    "overlap_duration_s": 8500,
    "speed_a_avg": 1.20999999999999996447286321199499070644378662109375,
    "speed_a_std": 0.070000000000000006661338147750939242541790008544921875,
    "speed_b_avg": 1.20999999999999996447286321199499070644378662109375,
    "speed_b_std": 0.08000000000000000166533453693773481063544750213623046875,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 1.20999999999999996447286321199499070644378662109375,
            "max_sog": 1.3000000000000000444089209850062616169452667236328125
        },
        "vessel_b": {
            "avg_sog": 1.20999999999999996447286321199499070644378662109375,
            "max_sog": 1.3000000000000000444089209850062616169452667236328125
        }
    },
    "time_window": {
        "start": "2026-06-01T14:01:30+00:00",
        "end": "2026-06-01T16:23:10+00:00"
    },
    "points_count": {
        "vessel_a": 27,
        "vessel_b": 27
    },
    "zone_id": "discovered_001",
    "zone_name": "Strait of Gibraltar Surveillance Zone",
    "score": {
        "value": 83,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 7m, avg 75m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 142 minutes"
            },
            "speed_stability": {
                "score": 15,
                "max": 20,
                "detail": "both slow; 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: Strait of Gibraltar Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (PUTUOSHAN and MAMMA MARIA) maintained close proximity (min 7m, avg 75m) for 142 minutes. Both vessels were slow-moving (avg speeds 1.2 and 1.2 knots). Moderate distance variation observed during the encounter. Event occurred in Strait of Gibraltar Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 35.773081799999999930150806903839111328125,
            "lon": -4.7900679999999997704662746400572359561920166015625
        },
        "time_window": {
            "start_ts": "2026-06-01T14:01:30+00:00",
            "end_ts": "2026-06-01T16:23:10+00:00"
        },
        "searched_at": "2026-06-01T21:00:04.035642+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

{
    "zone_id": "discovered_001",
    "zone_name": "Strait of Gibraltar Surveillance Zone",
    "dwell_minutes": 143.5,
    "points_in_zone": 31,
    "first_point": {
        "ts": "2026-06-01T14:00:51+00:00",
        "lat": 35.75120170000000285881469608284533023834228515625,
        "lon": -4.79110670000000027357600629329681396484375
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    "last_point": {
        "ts": "2026-06-01T16:24:21+00:00",
        "lat": 35.80133330000000313475538860075175762176513671875,
        "lon": -4.7879217000000000581394488108344376087188720703125
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}

{
    "vessel_a": {
        "mmsi": 636022195,
        "imo": 9286542,
        "name": "PUTUOSHAN",
        "flag": "LIBERIA"
    },
    "vessel_b": {
        "mmsi": 636026182,
        "imo": 9374844,
        "name": "MAMMA MARIA",
        "flag": "LIBERIA"
    },
    "min_distance_m": 3.899999999999999911182158029987476766109466552734375,
    "avg_distance_m": 66.2999999999999971578290569595992565155029296875,
    "distance_consistency_m": 54.10000000000000142108547152020037174224853515625,
    "duration_minutes": 193.5,
    "overlap_duration_s": 11610,
    "speed_a_avg": 1.1699999999999999289457264239899814128875732421875,
    "speed_a_std": 0.1000000000000000055511151231257827021181583404541015625,
    "speed_b_avg": 1.1599999999999999200639422269887290894985198974609375,
    "speed_b_std": 0.11999999999999999555910790149937383830547332763671875,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 1.1699999999999999289457264239899814128875732421875,
            "max_sog": 1.3000000000000000444089209850062616169452667236328125
        },
        "vessel_b": {
            "avg_sog": 1.1599999999999999200639422269887290894985198974609375,
            "max_sog": 1.3000000000000000444089209850062616169452667236328125
        }
    },
    "time_window": {
        "start": "2026-06-01T13:09:40+00:00",
        "end": "2026-06-01T16:23:10+00:00"
    },
    "points_count": {
        "vessel_a": 38,
        "vessel_b": 38
    },
    "zone_id": "discovered_001",
    "zone_name": "Strait of Gibraltar Surveillance Zone",
    "score": {
        "value": 83,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 4m, avg 66m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 194 minutes"
            },
            "speed_stability": {
                "score": 15,
                "max": 20,
                "detail": "both slow; very stable speeds"
            },
            "distance_consistency": {
                "score": 8,
                "max": 15,
                "detail": "Distance variance \u00b154m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Strait of Gibraltar Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (PUTUOSHAN and MAMMA MARIA) maintained close proximity (min 4m, avg 66m) for 194 minutes. Both vessels were slow-moving (avg speeds 1.2 and 1.2 knots). Moderate distance variation observed during the encounter. Event occurred in Strait of Gibraltar Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_001",
    "zone_name": "Strait of Gibraltar Surveillance Zone",
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    "first_point": {
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}

{
    "zone_id": "discovered_001",
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    "zone_id": "discovered_001",
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{
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{
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    "zone_id": "discovered_001",
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{
    "zone_id": "discovered_001",
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{
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{
    "gap_minutes": 271,
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        "zone_ids": [
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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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        "flag": "Panama"
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        "end": "2026-05-29T22:12:50+00:00"
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    "points_count": {
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    "score": {
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        "components": {
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                "score": 25,
                "max": 25,
                "detail": "Min distance 43m, avg 183m"
            },
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                "score": 5,
                "max": 25,
                "detail": "Duration 36 minutes"
            },
            "speed_stability": {
                "score": 15,
                "max": 20,
                "detail": "both slow; very stable speeds"
            },
            "distance_consistency": {
                "score": 5,
                "max": 15,
                "detail": "Distance variance \u00b1124m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Strait of Gibraltar Surveillance Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (DUKE II and MAMMA MARIA) maintained close proximity (min 43m, avg 183m) for 36 minutes. Both vessels were slow-moving (avg speeds 1.4 and 1.5 knots). Event occurred in Strait of Gibraltar Surveillance Zone, a known STS activity area."
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}

{
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{
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        "components": {
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                "score": 25,
                "max": 25,
                "detail": "Min distance 40m, avg 135m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 201 minutes"
            },
            "speed_stability": {
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                "max": 20,
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            },
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                "score": 5,
                "max": 15,
                "detail": "Distance variance \u00b1124m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Strait of Gibraltar Surveillance Zone"
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{
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{
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{
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{
    "zone_id": "discovered_001",
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{
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{
    "zone_id": "discovered_001",
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{
    "zone_id": "discovered_001",
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{
    "vessel_a": {
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        "end": "2026-04-17T22:58:49+00:00"
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    "points_count": {
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    "zone_id": "discovered_001",
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    "score": {
        "value": 63,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 15m, avg 117m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 38 minutes"
            },
            "speed_stability": {
                "score": 15,
                "max": 20,
                "detail": "both slow; very stable speeds"
            },
            "distance_consistency": {
                "score": 8,
                "max": 15,
                "detail": "Distance variance \u00b188m"
            },
            "isolation": {
                "score": 5,
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                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Strait of Gibraltar Surveillance Zone"
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        },
        "summary": "Moderate-confidence STS candidate. Two tankers (PRAGUE and MAMMA MARIA) maintained close proximity (min 15m, avg 117m) for 38 minutes. Both vessels were slow-moving (avg speeds 1.2 and 1.3 knots). Moderate distance variation observed during the encounter. Event occurred in Strait of Gibraltar Surveillance Zone, a known STS activity area."
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        "searched_at": "2026-04-17T23:15:01.441880+00:00",
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        "scene_datetime": "2026-04-17T18:17:33.339435Z",
        "platform": "sentinel-1d",
        "bbox": {
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        "assets": {
            "preview_url": "https:\/\/fleetleaks.com\/wp-content\/uploads\/fleetleaks-evidence\/sar-imagery\/2026\/04\/event_379192_thumbnail_20260417231506.png",
            "stored_path": "\/home\/fleetleaks\/public_html\/wp-content\/uploads\/fleetleaks-evidence\/sar-imagery\/2026\/04\/event_379192_thumbnail_20260417231506.png",
            "source": "copernicus_dataspace"
        },
        "notes": "Preview available for manual review"
    }
}

{
    "vessel_a": {
        "mmsi": 636023238,
        "imo": 9421324,
        "name": "PRAGUE",
        "flag": "Liberia"
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    "vessel_b": {
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    "time_window": {
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        "end": "2026-04-17T17:58:48+00:00"
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    "points_count": {
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        "vessel_b": 7
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    "zone_id": "discovered_001",
    "zone_name": "Strait of Gibraltar Surveillance Zone",
    "score": {
        "value": 68,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 32m, avg 114m"
            },
            "duration": {
                "score": 10,
                "max": 25,
                "detail": "Duration 46 minutes"
            },
            "speed_stability": {
                "score": 15,
                "max": 20,
                "detail": "both slow; very stable speeds"
            },
            "distance_consistency": {
                "score": 8,
                "max": 15,
                "detail": "Distance variance \u00b178m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Strait of Gibraltar Surveillance Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (PRAGUE and MAMMA MARIA) maintained close proximity (min 32m, avg 114m) for 46 minutes. Both vessels were slow-moving (avg speeds 1.0 and 1.0 knots). Moderate distance variation observed during the encounter. Event occurred in Strait of Gibraltar Surveillance Zone, a known STS activity area."
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        "status": "inconclusive",
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        "time_window": {
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            "end_ts": "2026-04-17T17:58:48+00:00"
        },
        "searched_at": "2026-04-17T23:45:02.091840+00:00",
        "scene_id": "S1D_IW_GRDH_1SDV_20260417T181733_20260417T181758_002390_003E8A_5CD5_COG",
        "scene_datetime": "2026-04-17T18:17:33.339435Z",
        "platform": "sentinel-1d",
        "bbox": {
            "min_lon": -6.4049519999999997565964804380200803279876708984375,
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            "max_lon": -3.199837000000000042376768760732375085353851318359375,
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        "assets": {
            "preview_url": "https:\/\/fleetleaks.com\/wp-content\/uploads\/fleetleaks-evidence\/sar-imagery\/2026\/04\/event_379464_thumbnail_20260417234506.png",
            "stored_path": "\/home\/fleetleaks\/public_html\/wp-content\/uploads\/fleetleaks-evidence\/sar-imagery\/2026\/04\/event_379464_thumbnail_20260417234506.png",
            "source": "copernicus_dataspace"
        },
        "notes": "Preview available for manual review"
    }
}

{
    "vessel_a": {
        "mmsi": 636023238,
        "imo": 9421324,
        "name": "PRAGUE",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 636026182,
        "imo": 9374844,
        "name": "MAMMA MARIA",
        "flag": "LIBERIA"
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    "overlap_duration_s": 4919,
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    "speed_summary": {
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    },
    "time_window": {
        "start": "2026-04-17T16:36:49+00:00",
        "end": "2026-04-17T17:58:48+00:00"
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    "points_count": {
        "vessel_a": 13,
        "vessel_b": 13
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    "zone_id": "discovered_001",
    "zone_name": "Strait of Gibraltar Surveillance Zone",
    "score": {
        "value": 73,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 32m, avg 109m"
            },
            "duration": {
                "score": 15,
                "max": 25,
                "detail": "Duration 82 minutes"
            },
            "speed_stability": {
                "score": 15,
                "max": 20,
                "detail": "both slow; very stable speeds"
            },
            "distance_consistency": {
                "score": 8,
                "max": 15,
                "detail": "Distance variance \u00b177m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Strait of Gibraltar Surveillance Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (PRAGUE and MAMMA MARIA) maintained close proximity (min 32m, avg 109m) for 82 minutes. Both vessels were slow-moving (avg speeds 1.2 and 1.2 knots). Moderate distance variation observed during the encounter. Event occurred in Strait of Gibraltar Surveillance Zone, a known STS activity area."
    }
}

{
    "zone_id": "discovered_001",
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{
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    "first_point": {
        "ts": "2026-04-16T22:04:43+00:00",
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    "last_point": {
        "ts": "2026-04-17T01:06:23+00:00",
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        "lon": -4.7140100000000000335376171278767287731170654296875
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{
    "zone_id": "discovered_001",
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    "dwell_minutes": 331.19999999999998863131622783839702606201171875,
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