Birthe Theresi

IMO 9083184

Vessel information

Vessel Name Birthe Theresi View name history 📜
IMO Number 9083184
MMSI 273352750
Vessel Type Oil Products Tanker | Navire-citerne pour produits pétroliers
Flag 🇷🇺 Russia View flag history 📜
Call Sign UBHI7
Gross Tonnage 2,094 GT
Year Built 1995

Sanctioned by

🇪🇺 EU 2025-10-24

Company & Ownership

🏢
Floresta Corporate Ltd
IMO Company: 5612141
Address C/O: OOO 'KD Bunker' Office XIV, House 40, ul A Suvorova Kaliningrad, 236039, Russia.
Status Active
Fleet 1.0 owner, 0.0 operator, 0.0 manager, 0.0 beneficial

Management & Operations

ISM Manager
KD BUNKER
Office XIV, House 40, ul A Suvorova Kaliningrad, 236039, Russia.
Commercial Manager
KD BUNKER

Port State Control (PSC) Inspections

⚠️
Risk Level
LOW
Last 36 Months
Last Inspection
📍 Kristiansund
📅 2011-04-27

Programs & Notes

EU Russia Sanctions – Shadow Fleet | SEMA (Canada) — vessel designations

Vessel Changes

7 changes

AIS Events

32 events detected • 1 zone • Last: Aug 31, 2026

Zone Dwell Ust-Luga/St. Petersburg Approach Aug 31, 2026 06:42 UTC 80.0%
  • Zone: Ust-Luga/St. Petersburg Approach
  • Duration: 3h 56m
  • Data Points: 3 AIS positions
  • Period: 2026-08-31T06:42:49+00:00 to 2026-08-31T10:39:46+00:00
Show Raw Evidence JSON
{
    "zone_id": "russia_ust_luga_approach",
    "zone_name": "Ust-Luga\/St. Petersburg Approach",
    "dwell_minutes": 236.900000000000005684341886080801486968994140625,
    "points_in_zone": 3,
    "first_point": {
        "ts": "2026-08-31T06:42:49+00:00",
        "lat": 59.89809000000000338559402734972536563873291015625,
        "lon": 30.21918670000000162190190167166292667388916015625
    },
    "last_point": {
        "ts": "2026-08-31T10:39:46+00:00",
        "lat": 59.89100330000000127483872347511351108551025390625,
        "lon": 30.15162000000000119825926958583295345306396484375
    }
}

Methodology: 2026.01.18

Zone Dwell Ust-Luga/St. Petersburg Approach Aug 31, 2026 05:57 UTC 80.0%
  • Zone: Ust-Luga/St. Petersburg Approach
  • Duration: 4h 41m
  • Data Points: 4 AIS positions
  • Period: 2026-08-31T05:57:49+00:00 to 2026-08-31T10:39:46+00:00
Show Raw Evidence JSON
{
    "zone_id": "russia_ust_luga_approach",
    "zone_name": "Ust-Luga\/St. Petersburg Approach",
    "dwell_minutes": 281.8999999999999772626324556767940521240234375,
    "points_in_zone": 4,
    "first_point": {
        "ts": "2026-08-31T05:57:49+00:00",
        "lat": 59.89830169999999753827069071121513843536376953125,
        "lon": 30.2187933000000015226760297082364559173583984375
    },
    "last_point": {
        "ts": "2026-08-31T10:39:46+00:00",
        "lat": 59.89100330000000127483872347511351108551025390625,
        "lon": 30.15162000000000119825926958583295345306396484375
    }
}

Methodology: 2026.01.18

Zone Dwell Ust-Luga/St. Petersburg Approach Aug 29, 2026 23:45 UTC 80.0%
  • Zone: Ust-Luga/St. Petersburg Approach
  • Duration: 1h 3m
  • Data Points: 2 AIS positions
  • Period: 2026-08-29T23:45:43+00:00 to 2026-08-30T00:48:42+00:00
Show Raw Evidence JSON
{
    "zone_id": "russia_ust_luga_approach",
    "zone_name": "Ust-Luga\/St. Petersburg Approach",
    "dwell_minutes": 63,
    "points_in_zone": 2,
    "first_point": {
        "ts": "2026-08-29T23:45:43+00:00",
        "lat": 59.8982917000000014695615391246974468231201171875,
        "lon": 30.218758300000001071339283953420817852020263671875
    },
    "last_point": {
        "ts": "2026-08-30T00:48:42+00:00",
        "lat": 59.89831000000000216232365346513688564300537109375,
        "lon": 30.2187550000000015870682545937597751617431640625
    }
}

Methodology: 2026.01.18

Zone Dwell Ust-Luga/St. Petersburg Approach Aug 29, 2026 22:27 UTC 80.0%
  • Zone: Ust-Luga/St. Petersburg Approach
  • Duration: 2h 21m
  • Data Points: 4 AIS positions
  • Period: 2026-08-29T22:27:44+00:00 to 2026-08-30T00:48:42+00:00
Show Raw Evidence JSON
{
    "zone_id": "russia_ust_luga_approach",
    "zone_name": "Ust-Luga\/St. Petersburg Approach",
    "dwell_minutes": 141,
    "points_in_zone": 4,
    "first_point": {
        "ts": "2026-08-29T22:27:44+00:00",
        "lat": 59.8982799999999997453414835035800933837890625,
        "lon": 30.218938300000001362377588520757853984832763671875
    },
    "last_point": {
        "ts": "2026-08-30T00:48:42+00:00",
        "lat": 59.89831000000000216232365346513688564300537109375,
        "lon": 30.2187550000000015870682545937597751617431640625
    }
}

Methodology: 2026.01.18

Zone Dwell Ust-Luga/St. Petersburg Approach Aug 26, 2026 07:15 UTC 80.0%
  • Zone: Ust-Luga/St. Petersburg Approach
  • Duration: 3h 42m
  • Data Points: 2 AIS positions
  • Period: 2026-08-26T07:15:32+00:00 to 2026-08-26T10:57:31+00:00
Show Raw Evidence JSON
{
    "zone_id": "russia_ust_luga_approach",
    "zone_name": "Ust-Luga\/St. Petersburg Approach",
    "dwell_minutes": 222,
    "points_in_zone": 2,
    "first_point": {
        "ts": "2026-08-26T07:15:32+00:00",
        "lat": 59.89826670000000063964762375690042972564697265625,
        "lon": 30.218733300000000241425368585623800754547119140625
    },
    "last_point": {
        "ts": "2026-08-26T10:57:31+00:00",
        "lat": 59.89829329999999885103534325025975704193115234375,
        "lon": 30.218811699999999831334207556210458278656005859375
    }
}

Methodology: 2026.01.18

Zone Dwell Ust-Luga/St. Petersburg Approach Aug 26, 2026 05:57 UTC 80.0%
  • Zone: Ust-Luga/St. Petersburg Approach
  • Duration: 5 hours
  • Data Points: 3 AIS positions
  • Period: 2026-08-26T05:57:30+00:00 to 2026-08-26T10:57:31+00:00
Show Raw Evidence JSON
{
    "zone_id": "russia_ust_luga_approach",
    "zone_name": "Ust-Luga\/St. Petersburg Approach",
    "dwell_minutes": 300,
    "points_in_zone": 3,
    "first_point": {
        "ts": "2026-08-26T05:57:30+00:00",
        "lat": 59.89830169999999753827069071121513843536376953125,
        "lon": 30.2188349999999985584508976899087429046630859375
    },
    "last_point": {
        "ts": "2026-08-26T10:57:31+00:00",
        "lat": 59.89829329999999885103534325025975704193115234375,
        "lon": 30.218811699999999831334207556210458278656005859375
    }
}

Methodology: 2026.01.18

Zone Dwell Ust-Luga/St. Petersburg Approach Aug 19, 2026 03:01 UTC 80.0%
  • Zone: Ust-Luga/St. Petersburg Approach
  • Duration: 1h 45m
  • Data Points: 3 AIS positions
  • Period: 2026-08-19T03:01:02+00:00 to 2026-08-19T04:46:29+00:00
Show Raw Evidence JSON
{
    "zone_id": "russia_ust_luga_approach",
    "zone_name": "Ust-Luga\/St. Petersburg Approach",
    "dwell_minutes": 105.5,
    "points_in_zone": 3,
    "first_point": {
        "ts": "2026-08-19T03:01:02+00:00",
        "lat": 59.89828829999999726396708865649998188018798828125,
        "lon": 30.218759999999999621422830387018620967864990234375
    },
    "last_point": {
        "ts": "2026-08-19T04:46:29+00:00",
        "lat": 59.898276699999996708356775343418121337890625,
        "lon": 30.218810000000001281250661122612655162811279296875
    }
}

Methodology: 2026.01.18

Zone Dwell Ust-Luga/St. Petersburg Approach Aug 19, 2026 02:19 UTC 80.0%
  • Zone: Ust-Luga/St. Petersburg Approach
  • Duration: 2h 26m
  • Data Points: 5 AIS positions
  • Period: 2026-08-19T02:19:48+00:00 to 2026-08-19T04:46:29+00:00
Show Raw Evidence JSON
{
    "zone_id": "russia_ust_luga_approach",
    "zone_name": "Ust-Luga\/St. Petersburg Approach",
    "dwell_minutes": 146.69999999999998863131622783839702606201171875,
    "points_in_zone": 5,
    "first_point": {
        "ts": "2026-08-19T02:19:48+00:00",
        "lat": 59.89827170000000222671587835066020488739013671875,
        "lon": 30.21876329999999910569385974667966365814208984375
    },
    "last_point": {
        "ts": "2026-08-19T04:46:29+00:00",
        "lat": 59.898276699999996708356775343418121337890625,
        "lon": 30.218810000000001281250661122612655162811279296875
    }
}

Methodology: 2026.01.18

Zone Dwell Ust-Luga/St. Petersburg Approach Aug 19, 2026 01:19 UTC 80.0%
  • Zone: Ust-Luga/St. Petersburg Approach
  • Duration: 3h 26m
  • Data Points: 8 AIS positions
  • Period: 2026-08-19T01:19:51+00:00 to 2026-08-19T04:46:29+00:00
Show Raw Evidence JSON
{
    "zone_id": "russia_ust_luga_approach",
    "zone_name": "Ust-Luga\/St. Petersburg Approach",
    "dwell_minutes": 206.599999999999994315658113919198513031005859375,
    "points_in_zone": 8,
    "first_point": {
        "ts": "2026-08-19T01:19:51+00:00",
        "lat": 59.8982749999999981582732289098203182220458984375,
        "lon": 30.2187449999999984129317454062402248382568359375
    },
    "last_point": {
        "ts": "2026-08-19T04:46:29+00:00",
        "lat": 59.898276699999996708356775343418121337890625,
        "lon": 30.218810000000001281250661122612655162811279296875
    }
}

Methodology: 2026.01.18

Loiter Ust-Luga/St. Petersburg Approach Aug 19, 2026 00:08 UTC 75.0%
  • Duration: 4h 37m
  • Radius: 4 meters
  • Data Points: 13 AIS positions
  • Centroid: 59.8983, 30.2188
  • Zone: Ust-Luga/St. Petersburg Approach
Show Raw Evidence JSON
{
    "radius_m": 3.600000000000000088817841970012523233890533447265625,
    "duration_minutes": 277.80000000000001136868377216160297393798828125,
    "points": 13,
    "centroid": {
        "lat": 59.89828256153845842391092446632683277130126953125,
        "lon": 30.21876549999999639339876011945307254791259765625
    },
    "bbox": {
        "min_lat": 59.89824999999999732835931354202330112457275390625,
        "min_lon": 30.2187449999999984129317454062402248382568359375,
        "max_lat": 59.89830829999999650681274943053722381591796875,
        "max_lon": 30.218810000000001281250661122612655162811279296875
    },
    "zone_id": "russia_ust_luga_approach"
}

Methodology: 2026.01.18

Zone Dwell Ust-Luga/St. Petersburg Approach Aug 19, 2026 00:08 UTC 80.0%
  • Zone: Ust-Luga/St. Petersburg Approach
  • Duration: 4h 37m
  • Data Points: 13 AIS positions
  • Period: 2026-08-19T00:08:43+00:00 to 2026-08-19T04:46:29+00:00
Show Raw Evidence JSON
{
    "zone_id": "russia_ust_luga_approach",
    "zone_name": "Ust-Luga\/St. Petersburg Approach",
    "dwell_minutes": 277.80000000000001136868377216160297393798828125,
    "points_in_zone": 13,
    "first_point": {
        "ts": "2026-08-19T00:08:43+00:00",
        "lat": 59.8982682999999980211214278824627399444580078125,
        "lon": 30.218785000000000451336745754815638065338134765625
    },
    "last_point": {
        "ts": "2026-08-19T04:46:29+00:00",
        "lat": 59.898276699999996708356775343418121337890625,
        "lon": 30.218810000000001281250661122612655162811279296875
    }
}

Methodology: 2026.01.18

Loiter Ust-Luga/St. Petersburg Approach Aug 18, 2026 23:18 UTC 75.0%
  • Duration: 5h 28m
  • Radius: 4 meters
  • Data Points: 15 AIS positions
  • Centroid: 59.8983, 30.2188
  • Zone: Ust-Luga/St. Petersburg Approach
Show Raw Evidence JSON
{
    "radius_m": 3.600000000000000088817841970012523233890533447265625,
    "duration_minutes": 328.3999999999999772626324556767940521240234375,
    "points": 15,
    "centroid": {
        "lat": 59.89828188666667330153359216637909412384033203125,
        "lon": 30.218765213333330876821491983719170093536376953125
    },
    "bbox": {
        "min_lat": 59.89824999999999732835931354202330112457275390625,
        "min_lon": 30.2187449999999984129317454062402248382568359375,
        "max_lat": 59.89830829999999650681274943053722381591796875,
        "max_lon": 30.218810000000001281250661122612655162811279296875
    },
    "zone_id": "russia_ust_luga_approach"
}

Methodology: 2026.01.18

Zone Dwell Ust-Luga/St. Petersburg Approach Aug 18, 2026 23:18 UTC 80.0%
  • Zone: Ust-Luga/St. Petersburg Approach
  • Duration: 5h 28m
  • Data Points: 15 AIS positions
  • Period: 2026-08-18T23:18:08+00:00 to 2026-08-19T04:46:29+00:00
Show Raw Evidence JSON
{
    "zone_id": "russia_ust_luga_approach",
    "zone_name": "Ust-Luga\/St. Petersburg Approach",
    "dwell_minutes": 328.3999999999999772626324556767940521240234375,
    "points_in_zone": 15,
    "first_point": {
        "ts": "2026-08-18T23:18:08+00:00",
        "lat": 59.8982833000000027823261916637420654296875,
        "lon": 30.218759999999999621422830387018620967864990234375
    },
    "last_point": {
        "ts": "2026-08-19T04:46:29+00:00",
        "lat": 59.898276699999996708356775343418121337890625,
        "lon": 30.218810000000001281250661122612655162811279296875
    }
}

Methodology: 2026.01.18

Zone Dwell Ust-Luga/St. Petersburg Approach Aug 18, 2026 18:06 UTC 80.0%
  • Zone: Ust-Luga/St. Petersburg Approach
  • Duration: 6h 25m
  • Data Points: 8 AIS positions
  • Period: 2026-08-18T18:06:32+00:00 to 2026-08-19T00:32:01+00:00
Show Raw Evidence JSON
{
    "zone_id": "russia_ust_luga_approach",
    "zone_name": "Ust-Luga\/St. Petersburg Approach",
    "dwell_minutes": 385.5,
    "points_in_zone": 8,
    "first_point": {
        "ts": "2026-08-18T18:06:32+00:00",
        "lat": 59.898276699999996708356775343418121337890625,
        "lon": 30.2187899999999984856913215480744838714599609375
    },
    "last_point": {
        "ts": "2026-08-19T00:32:01+00:00",
        "lat": 59.8982682999999980211214278824627399444580078125,
        "lon": 30.218753299999999484271029359661042690277099609375
    }
}

Methodology: 2026.01.18

Zone Dwell Ust-Luga/St. Petersburg Approach Aug 18, 2026 17:17 UTC 80.0%
  • Zone: Ust-Luga/St. Petersburg Approach
  • Duration: 6h 37m
  • Data Points: 8 AIS positions
  • Period: 2026-08-18T17:50:42+00:00 to 2026-08-19T00:27:53+00:00
Show Raw Evidence JSON
{
    "zone_id": "russia_ust_luga_approach",
    "zone_name": "Ust-Luga\/St. Petersburg Approach",
    "dwell_minutes": 397.19999999999998863131622783839702606201171875,
    "points_in_zone": 8,
    "first_point": {
        "ts": "2026-08-18T17:50:42+00:00",
        "lat": 59.8982850000000013324097380973398685455322265625,
        "lon": 30.218803300000001144098860095255076885223388671875
    },
    "last_point": {
        "ts": "2026-08-19T00:27:53+00:00",
        "lat": 59.8982816999999982954250299371778964996337890625,
        "lon": 30.218798299999999557030605501495301723480224609375
    }
}

Methodology: 2026.01.18

Zone Dwell Ust-Luga/St. Petersburg Approach Aug 18, 2026 16:40 UTC 80.0%
  • Zone: Ust-Luga/St. Petersburg Approach
  • Duration: 6h 37m
  • Data Points: 8 AIS positions
  • Period: 2026-08-18T16:40:45+00:00 to 2026-08-18T23:18:08+00:00
Show Raw Evidence JSON
{
    "zone_id": "russia_ust_luga_approach",
    "zone_name": "Ust-Luga\/St. Petersburg Approach",
    "dwell_minutes": 397.3999999999999772626324556767940521240234375,
    "points_in_zone": 8,
    "first_point": {
        "ts": "2026-08-18T16:40:45+00:00",
        "lat": 59.8983300000000014051693142391741275787353515625,
        "lon": 30.21876329999999910569385974667966365814208984375
    },
    "last_point": {
        "ts": "2026-08-18T23:18:08+00:00",
        "lat": 59.8982833000000027823261916637420654296875,
        "lon": 30.218759999999999621422830387018620967864990234375
    }
}

Methodology: 2026.01.18

Zone Dwell Ust-Luga/St. Petersburg Approach Aug 18, 2026 14:33 UTC 80.0%
  • Zone: Ust-Luga/St. Petersburg Approach
  • Duration: 3h 32m
  • Data Points: 9 AIS positions
  • Period: 2026-08-18T14:33:44+00:00 to 2026-08-18T18:06:32+00:00
Show Raw Evidence JSON
{
    "zone_id": "russia_ust_luga_approach",
    "zone_name": "Ust-Luga\/St. Petersburg Approach",
    "dwell_minutes": 212.80000000000001136868377216160297393798828125,
    "points_in_zone": 9,
    "first_point": {
        "ts": "2026-08-18T14:33:44+00:00",
        "lat": 59.89829499999999740111888968385756015777587890625,
        "lon": 30.21872330000000062000253819860517978668212890625
    },
    "last_point": {
        "ts": "2026-08-18T18:06:32+00:00",
        "lat": 59.898276699999996708356775343418121337890625,
        "lon": 30.2187899999999984856913215480744838714599609375
    }
}

Methodology: 2026.01.18

Loiter Ust-Luga/St. Petersburg Approach Aug 18, 2026 13:29 UTC 75.0%
  • Duration: 4h 37m
  • Radius: 6 meters
  • Data Points: 11 AIS positions
  • Centroid: 59.8983, 30.2188
  • Zone: Ust-Luga/St. Petersburg Approach
Show Raw Evidence JSON
{
    "radius_m": 5.9000000000000003552713678800500929355621337890625,
    "duration_minutes": 277.19999999999998863131622783839702606201171875,
    "points": 11,
    "centroid": {
        "lat": 59.898284545454544058884494006633758544921875,
        "lon": 30.21878422727272806014298112131655216217041015625
    },
    "bbox": {
        "min_lat": 59.8982333000000011224983609281480312347412109375,
        "min_lon": 30.21872330000000062000253819860517978668212890625,
        "max_lat": 59.8983300000000014051693142391741275787353515625,
        "max_lon": 30.218846700000000282670953311026096343994140625
    },
    "zone_id": "russia_ust_luga_approach"
}

Methodology: 2026.01.18

Zone Dwell Ust-Luga/St. Petersburg Approach Aug 18, 2026 13:29 UTC 80.0%
  • Zone: Ust-Luga/St. Petersburg Approach
  • Duration: 4h 37m
  • Data Points: 11 AIS positions
  • Period: 2026-08-18T13:29:22+00:00 to 2026-08-18T18:06:32+00:00
Show Raw Evidence JSON
{
    "zone_id": "russia_ust_luga_approach",
    "zone_name": "Ust-Luga\/St. Petersburg Approach",
    "dwell_minutes": 277.19999999999998863131622783839702606201171875,
    "points_in_zone": 11,
    "first_point": {
        "ts": "2026-08-18T13:29:22+00:00",
        "lat": 59.89826000000000050249582272954285144805908203125,
        "lon": 30.2188383000000015954356058500707149505615234375
    },
    "last_point": {
        "ts": "2026-08-18T18:06:32+00:00",
        "lat": 59.898276699999996708356775343418121337890625,
        "lon": 30.2187899999999984856913215480744838714599609375
    }
}

Methodology: 2026.01.18

Loiter Ust-Luga/St. Petersburg Approach Aug 18, 2026 12:03 UTC 75.0%
  • Duration: 6h 2m
  • Radius: 6 meters
  • Data Points: 16 AIS positions
  • Centroid: 59.8983, 30.2188
  • Zone: Ust-Luga/St. Petersburg Approach
Show Raw Evidence JSON
{
    "radius_m": 6,
    "duration_minutes": 362.6000000000000227373675443232059478759765625,
    "points": 16,
    "centroid": {
        "lat": 59.89827687500000052978066378273069858551025390625,
        "lon": 30.2187854000000015730620361864566802978515625
    },
    "bbox": {
        "min_lat": 59.8982316999999966355971992015838623046875,
        "min_lon": 30.21872330000000062000253819860517978668212890625,
        "max_lat": 59.8983300000000014051693142391741275787353515625,
        "max_lon": 30.218846700000000282670953311026096343994140625
    },
    "zone_id": "russia_ust_luga_approach"
}

Methodology: 2026.01.18

Zone Dwell Ust-Luga/St. Petersburg Approach Aug 18, 2026 12:03 UTC 80.0%
  • Zone: Ust-Luga/St. Petersburg Approach
  • Duration: 6h 2m
  • Data Points: 16 AIS positions
  • Period: 2026-08-18T12:03:53+00:00 to 2026-08-18T18:06:32+00:00
Show Raw Evidence JSON
{
    "zone_id": "russia_ust_luga_approach",
    "zone_name": "Ust-Luga\/St. Petersburg Approach",
    "dwell_minutes": 362.6000000000000227373675443232059478759765625,
    "points_in_zone": 16,
    "first_point": {
        "ts": "2026-08-18T12:03:53+00:00",
        "lat": 59.8982400000000012596501619555056095123291015625,
        "lon": 30.218788299999999935607775114476680755615234375
    },
    "last_point": {
        "ts": "2026-08-18T18:06:32+00:00",
        "lat": 59.898276699999996708356775343418121337890625,
        "lon": 30.2187899999999984856913215480744838714599609375
    }
}

Methodology: 2026.01.18

Loiter Ust-Luga/St. Petersburg Approach Aug 18, 2026 11:01 UTC 75.0%
  • Duration: 6h 32m
  • Radius: 8 meters
  • Data Points: 20 AIS positions
  • Centroid: 59.8983, 30.2188
  • Zone: Ust-Luga/St. Petersburg Approach
Show Raw Evidence JSON
{
    "radius_m": 7.5999999999999996447286321199499070644378662109375,
    "duration_minutes": 392,
    "points": 20,
    "centroid": {
        "lat": 59.8982702550000141172859002836048603057861328125,
        "lon": 30.218785074999999551437213085591793060302734375
    },
    "bbox": {
        "min_lat": 59.8982017000000013240423868410289287567138671875,
        "min_lon": 30.21872330000000062000253819860517978668212890625,
        "max_lat": 59.8983300000000014051693142391741275787353515625,
        "max_lon": 30.218846700000000282670953311026096343994140625
    },
    "zone_id": "russia_ust_luga_approach"
}

Methodology: 2026.01.18

Zone Dwell Ust-Luga/St. Petersburg Approach Aug 18, 2026 11:01 UTC 80.0%
  • Zone: Ust-Luga/St. Petersburg Approach
  • Duration: 6h 32m
  • Data Points: 20 AIS positions
  • Period: 2026-08-18T11:34:32+00:00 to 2026-08-18T18:06:32+00:00
Show Raw Evidence JSON
{
    "zone_id": "russia_ust_luga_approach",
    "zone_name": "Ust-Luga\/St. Petersburg Approach",
    "dwell_minutes": 392,
    "points_in_zone": 20,
    "first_point": {
        "ts": "2026-08-18T11:34:32+00:00",
        "lat": 59.8982017000000013240423868410289287567138671875,
        "lon": 30.218785000000000451336745754815638065338134765625
    },
    "last_point": {
        "ts": "2026-08-18T18:06:32+00:00",
        "lat": 59.898276699999996708356775343418121337890625,
        "lon": 30.2187899999999984856913215480744838714599609375
    }
}

Methodology: 2026.01.18

Loiter Ust-Luga/St. Petersburg Approach Aug 18, 2026 10:07 UTC 75.0%
  • Duration: 6h 23m
  • Radius: 11 meters
  • Data Points: 20 AIS positions
  • Centroid: 59.8983, 30.2188
  • Zone: Ust-Luga/St. Petersburg Approach
Show Raw Evidence JSON
{
    "radius_m": 11,
    "duration_minutes": 383.6000000000000227373675443232059478759765625,
    "points": 20,
    "centroid": {
        "lat": 59.8982750050000021246887627057731151580810546875,
        "lon": 30.218783659999996160649970988743007183074951171875
    },
    "bbox": {
        "min_lat": 59.8982017000000013240423868410289287567138671875,
        "min_lon": 30.21872330000000062000253819860517978668212890625,
        "max_lat": 59.89837330000000292784534394741058349609375,
        "max_lon": 30.218846700000000282670953311026096343994140625
    },
    "zone_id": "russia_ust_luga_approach"
}

Methodology: 2026.01.18

Zone Dwell Ust-Luga/St. Petersburg Approach Aug 18, 2026 10:07 UTC 80.0%
  • Zone: Ust-Luga/St. Petersburg Approach
  • Duration: 6h 23m
  • Data Points: 20 AIS positions
  • Period: 2026-08-18T10:17:12+00:00 to 2026-08-18T16:40:45+00:00
Show Raw Evidence JSON
{
    "zone_id": "russia_ust_luga_approach",
    "zone_name": "Ust-Luga\/St. Petersburg Approach",
    "dwell_minutes": 383.6000000000000227373675443232059478759765625,
    "points_in_zone": 20,
    "first_point": {
        "ts": "2026-08-18T10:17:12+00:00",
        "lat": 59.89837330000000292784534394741058349609375,
        "lon": 30.218773299999998727116690133698284626007080078125
    },
    "last_point": {
        "ts": "2026-08-18T16:40:45+00:00",
        "lat": 59.8983300000000014051693142391741275787353515625,
        "lon": 30.21876329999999910569385974667966365814208984375
    }
}

Methodology: 2026.01.18

Loiter Ust-Luga/St. Petersburg Approach Aug 18, 2026 08:09 UTC 75.0%
  • Duration: 6h 31m
  • Radius: 11 meters
  • Data Points: 24 AIS positions
  • Centroid: 59.8983, 30.2188
  • Zone: Ust-Luga/St. Petersburg Approach
Show Raw Evidence JSON
{
    "radius_m": 11.199999999999999289457264239899814128875732421875,
    "duration_minutes": 391.69999999999998863131622783839702606201171875,
    "points": 24,
    "centroid": {
        "lat": 59.898273133333333362315897829830646514892578125,
        "lon": 30.218783958333336414625591714866459369659423828125
    },
    "bbox": {
        "min_lat": 59.8982017000000013240423868410289287567138671875,
        "min_lon": 30.218696699999998855901139904744923114776611328125,
        "max_lat": 59.89837330000000292784534394741058349609375,
        "max_lon": 30.218855000000001354010237264446914196014404296875
    },
    "zone_id": "russia_ust_luga_approach"
}

Methodology: 2026.01.18

Zone Dwell Ust-Luga/St. Petersburg Approach Aug 18, 2026 08:09 UTC 80.0%
  • Zone: Ust-Luga/St. Petersburg Approach
  • Duration: 6h 31m
  • Data Points: 24 AIS positions
  • Period: 2026-08-18T08:25:54+00:00 to 2026-08-18T14:57:37+00:00
Show Raw Evidence JSON
{
    "zone_id": "russia_ust_luga_approach",
    "zone_name": "Ust-Luga\/St. Petersburg Approach",
    "dwell_minutes": 391.69999999999998863131622783839702606201171875,
    "points_in_zone": 24,
    "first_point": {
        "ts": "2026-08-18T08:25:54+00:00",
        "lat": 59.89825170000000298387021757662296295166015625,
        "lon": 30.218855000000001354010237264446914196014404296875
    },
    "last_point": {
        "ts": "2026-08-18T14:57:37+00:00",
        "lat": 59.89830500000000057525539887137711048126220703125,
        "lon": 30.218778300000000314184944727458059787750244140625
    }
}

Methodology: 2026.01.18

Zone Dwell Ust-Luga/St. Petersburg Approach Aug 18, 2026 07:12 UTC 80.0%
  • Zone: Ust-Luga/St. Petersburg Approach
  • Duration: 6h 36m
  • Data Points: 29 AIS positions
  • Period: 2026-08-18T07:12:37+00:00 to 2026-08-18T13:49:11+00:00
Show Raw Evidence JSON
{
    "zone_id": "russia_ust_luga_approach",
    "zone_name": "Ust-Luga\/St. Petersburg Approach",
    "dwell_minutes": 396.6000000000000227373675443232059478759765625,
    "points_in_zone": 29,
    "first_point": {
        "ts": "2026-08-18T07:12:37+00:00",
        "lat": 59.898269999999996571204974316060543060302734375,
        "lon": 30.2188866999999987683622748591005802154541015625
    },
    "last_point": {
        "ts": "2026-08-18T13:49:11+00:00",
        "lat": 59.8982749999999981582732289098203182220458984375,
        "lon": 30.218846700000000282670953311026096343994140625
    }
}

Methodology: 2026.01.18

Loiter Ust-Luga/St. Petersburg Approach Aug 18, 2026 07:12 UTC 75.0%
  • Duration: 6h 36m
  • Radius: 12 meters
  • Data Points: 29 AIS positions
  • Centroid: 59.8983, 30.2188
  • Zone: Ust-Luga/St. Petersburg Approach
Show Raw Evidence JSON
{
    "radius_m": 11.5,
    "duration_minutes": 396.6000000000000227373675443232059478759765625,
    "points": 29,
    "centroid": {
        "lat": 59.89827023448277287798191537149250507354736328125,
        "lon": 30.218788451724140742271629278548061847686767578125
    },
    "bbox": {
        "min_lat": 59.8982017000000013240423868410289287567138671875,
        "min_lon": 30.218696699999998855901139904744923114776611328125,
        "max_lat": 59.89837330000000292784534394741058349609375,
        "max_lon": 30.2188866999999987683622748591005802154541015625
    },
    "zone_id": "russia_ust_luga_approach"
}

Methodology: 2026.01.18

Zone Dwell Ust-Luga/St. Petersburg Approach Aug 17, 2026 11:15 UTC 80.0%
  • Zone: Ust-Luga/St. Petersburg Approach
  • Duration: 2h 16m
  • Data Points: 3 AIS positions
  • Period: 2026-08-17T11:15:00+00:00 to 2026-08-17T13:31:30+00:00
Show Raw Evidence JSON
{
    "zone_id": "russia_ust_luga_approach",
    "zone_name": "Ust-Luga\/St. Petersburg Approach",
    "dwell_minutes": 136.5,
    "points_in_zone": 3,
    "first_point": {
        "ts": "2026-08-17T11:15:00+00:00",
        "lat": 59.8982232999999979483618517406284809112548828125,
        "lon": 30.218804999999999694182406528852880001068115234375
    },
    "last_point": {
        "ts": "2026-08-17T13:31:30+00:00",
        "lat": 59.89822170000000056688804761506617069244384765625,
        "lon": 30.21877669999999937999746180139482021331787109375
    }
}

Methodology: 2026.01.18

Zone Dwell Ust-Luga/St. Petersburg Approach Aug 17, 2026 08:02 UTC 80.0%
  • Zone: Ust-Luga/St. Petersburg Approach
  • Duration: 5h 29m
  • Data Points: 8 AIS positions
  • Period: 2026-08-17T08:02:08+00:00 to 2026-08-17T13:31:30+00:00
Show Raw Evidence JSON
{
    "zone_id": "russia_ust_luga_approach",
    "zone_name": "Ust-Luga\/St. Petersburg Approach",
    "dwell_minutes": 329.3999999999999772626324556767940521240234375,
    "points_in_zone": 8,
    "first_point": {
        "ts": "2026-08-17T08:02:08+00:00",
        "lat": 59.89826000000000050249582272954285144805908203125,
        "lon": 30.218811699999999831334207556210458278656005859375
    },
    "last_point": {
        "ts": "2026-08-17T13:31:30+00:00",
        "lat": 59.89822170000000056688804761506617069244384765625,
        "lon": 30.21877669999999937999746180139482021331787109375
    }
}

Methodology: 2026.01.18

Zone Dwell Ust-Luga/St. Petersburg Approach Aug 17, 2026 07:54 UTC 80.0%
  • Zone: Ust-Luga/St. Petersburg Approach
  • Duration: 5h 37m
  • Data Points: 9 AIS positions
  • Period: 2026-08-17T07:54:09+00:00 to 2026-08-17T13:31:30+00:00
Show Raw Evidence JSON
{
    "zone_id": "russia_ust_luga_approach",
    "zone_name": "Ust-Luga\/St. Petersburg Approach",
    "dwell_minutes": 337.3999999999999772626324556767940521240234375,
    "points_in_zone": 9,
    "first_point": {
        "ts": "2026-08-17T07:54:09+00:00",
        "lat": 59.89826500000000208956407732330262660980224609375,
        "lon": 30.2188416999999986956026987172663211822509765625
    },
    "last_point": {
        "ts": "2026-08-17T13:31:30+00:00",
        "lat": 59.89822170000000056688804761506617069244384765625,
        "lon": 30.21877669999999937999746180139482021331787109375
    }
}

Methodology: 2026.01.18

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