{
 "archiveEntity": {
  "countermeasures": [
   {
    "actor": "Avinor / Politiet",
    "generalOnly": true,
    "id": "oslo-general-response",
    "incidentUse": "reported",
    "kind": "detection",
    "quote": "I samråd med Politiet ble det også etablert et reservesystem i denne perioden.",
    "quoteCheckedAt": "2026-10-16",
    "since": null,
    "sourceIndex": 4,
    "sourceUrl": "https://kommunikasjon.ntb.no/pressemelding/18681461/fakta-om-dronedeteksjon-ved-avinors-lufthavner?lang=no&publisherId=17421123",
    "statement": {
     "ar": "أفادت أفينور بإنشاء نظام كشف احتياطي بالتعاون مع الشرطة خلال فترة الواقعة في سبتمبر 2025؛ ولم يُحدد وقت تشغيله بدقة.",
     "en": "Avinor reported a reserve detection system established with police during the September 2025 incident period; its exact activation time is unspecified.",
     "fa": "آوینور از ایجاد سامانه شناسایی پشتیبان با همکاری پلیس در دوره رویداد سپتامبر ۲۰۲۵ خبر داد؛ زمان دقیق فعال‌سازی مشخص نشده است.",
     "ru": "Avinor сообщил о резервной системе обнаружения, созданной совместно с полицией в период инцидента в сентябре 2025 года; точное время запуска не указано.",
     "uk": "Avinor повідомив про резервну систему виявлення, створену спільно з поліцією в період інциденту у вересні 2025 року; точний час запуску не зазначено."
    }
   }
  ],
  "key": "oslo-gardermoen-airport",
  "kind": "airport",
  "label": "Oslo Gardermoen Airport",
  "sourceIndex": 0
 },
 "assessment": null,
 "assessment_droneType_level": null,
 "assessment_droneType_range_high": null,
 "assessment_droneType_range_low": null,
 "assessment_droneType_subject": null,
 "assessment_operator_level": null,
 "assessment_operator_range_high": null,
 "assessment_operator_range_low": null,
 "assessment_operator_subject": null,
 "assessment_scale_version": null,
 "assessment_target_level": null,
 "assessment_target_range_high": null,
 "assessment_target_range_low": null,
 "assessment_target_subject": null,
 "attribution": "No one has been identified as responsible in the cited sources. Russia has denied involvement in the drone activity that closed the Copenhagen and Oslo airports.",
 "attributionSources": [],
 "attributionStatus": "none",
 "autoCheckedAt": null,
 "category": "airport",
 "checkedAt": "2026-10-16",
 "claims": [
  {
   "assessment": "supports",
   "axis": "operations",
   "claimant": "Avinor, Norway's airport operator",
   "id": "ops-avinor",
   "note": "Confirms the closure. The statement says drones were detected, but later reporting questions whether any were observed.",
   "originId": "avinor-nrk-2025-09-23",
   "quote": "The airport’s airspace was closed for several hours after drones were detected nearby, Avinor, Norway’s air operator, told NRK on Tuesday.",
   "quoteCheckedAt": "2026-10-12",
   "quoteTranslation": {},
   "relay": "relayed",
   "sourceIndex": 1,
   "statement": "Avinor said the airport's airspace was closed for several hours after drones were detected nearby."
  },
  {
   "assessment": "supports",
   "axis": "drone",
   "claimant": "Oslo Airport director",
   "id": "drone-luminous",
   "note": "A visual sighting by airport patrols, not a technical detection; the objects were not identified.",
   "originId": "oslo-airport-director-2025-09-23",
   "quote": "said patrols spotted “luminous objects moving in the sky.”",
   "quoteCheckedAt": "2026-10-12",
   "quoteTranslation": {},
   "relay": "relayed",
   "sourceIndex": 0,
   "statement": "The airport director said patrols spotted luminous objects moving in the sky."
  },
  {
   "assessment": "contradicts",
   "axis": "drone",
   "claimant": "Dagbladet",
   "id": "drone-unknown",
   "note": "The quote is in Norwegian, in the original wording, and was published on 10 October 2025. It undermines treating the sighting as a confirmed drone.",
   "originId": "dagbladet-2025-10-10",
   "quote": "Det er fortsatt ikke offentlig kjent om det ble observert droner eller ei.",
   "quoteCheckedAt": "2026-10-12",
   "quoteTranslation": {},
   "relay": "direct",
   "sourceIndex": 2,
   "statement": "Dagbladet reported that it is still not publicly known whether drones were observed over Gardermoen."
  },
  {
   "assessment": "context",
   "axis": "context",
   "claimant": "Avinor, as reported by Dagbladet",
   "id": "drone-system-down",
   "note": "Second-hand report of an Avinor statement to Filter Nyheter, in Norwegian. The cause of the system outage is unknown.",
   "originId": "avinor-filter-nyheter-2025",
   "quote": "Avinor bekrefter imidlertid overfor Filter Nyheter at deres system var nede da de mulige droneobservasjonene ble gjort, og at det medvirket til stengingen av luftrommet.",
   "quoteCheckedAt": "2026-10-12",
   "quoteTranslation": {},
   "relay": "relayed",
   "sourceIndex": 2,
   "statement": "Avinor confirmed to another outlet that its detection system was down when the possible observations were made and that this contributed to the closure."
  },
  {
   "assessment": "context",
   "axis": "attribution",
   "claimant": "Russian government",
   "id": "attr-russia-denial",
   "note": "Covers both airports; the cited sources name no party for the Oslo reports.",
   "originId": "russia-denial-2025-09-23",
   "quote": "Russia has denied involvement in the drone activity that shut Copenhagen and Oslo airports",
   "quoteCheckedAt": "2026-10-12",
   "quoteTranslation": {},
   "relay": "relayed",
   "sourceIndex": 0,
   "statement": "Russia has denied involvement in the drone activity that shut the Copenhagen and Oslo airports."
  }
 ],
 "corroboration": "curated",
 "country": "Norway",
 "countryCode": "NO",
 "date": "2025-09-22",
 "dateKind": "event",
 "droneStatus": "inconclusive",
 "droneStatusSources": [
  0,
  1,
  2
 ],
 "droneTypes": [],
 "evidence": "The closure and diversions are reported by Avinor via NRK and by the European Broadcasting Union's fact-checking desk, which rated that only official statements confirm a drone sighting near Oslo airport. Dagbladet reports that a drone detection system was down when the possible observations were made and that Avinor confirmed this to another outlet, saying it contributed to the closure.",
 "followUp": [],
 "id": "oslo-gardermoen-closure-2025-09-22",
 "impact": "Norway's airport operator Avinor said the airspace was closed for several hours and several flights were diverted, including one that was rerouted to Copenhagen. The closure came on the same night as the drone-related closure of Copenhagen Airport.",
 "impactStatus": "confirmed",
 "impactStatusSources": [
  0,
  1
 ],
 "lat": 60.19,
 "locationPrecision": "city",
 "lon": 11.1,
 "media": [],
 "namedLocation": null,
 "operationalEffects": [],
 "outcome": [],
 "place": "Oslo Airport, Gardermoen",
 "plainSummary": {},
 "publisherMedia": [],
 "reportTiming": null,
 "review": "editor",
 "revision": 4,
 "scope": "single",
 "series": [],
 "sources": [
  {
   "family": "avinor",
   "label": "European Broadcasting Union Spotlight: How Drones Shut Down Copenhagen/Oslo Airports",
   "published": "2025-09-23",
   "url": "https://spotlight.ebu.ch/p/drone-sightings-close-copenhagen"
  },
  {
   "family": "avinor",
   "label": "Kyiv Post: Drone Sightings Force Flight Suspensions at Copenhagen, Oslo Airports",
   "published": "2025-09-23",
   "url": "https://www.kyivpost.com/amp/post/60650"
  },
  {
   "family": "dagbladet",
   "label": "Dagbladet: Dronesystem var nede (drone detection system was down)",
   "published": "2025-10-10",
   "url": "https://www.dagbladet.no/nyheter/dronesystem-var-nede/83630989"
  },
  {
   "family": "reuters",
   "label": "Reuters — official YouTube report",
   "published": "2025-09-23",
   "publishedAt": "2025-09-23T01:06:48-07:00",
   "url": "https://www.youtube.com/watch?v=MWRY4jNS3Ag"
  },
  {
   "family": "avinor",
   "label": "Avinor: facts about drone detection at its airports, 12 October 2025",
   "published": "2025-10-12",
   "publishedAt": "2025-10-12T20:00:00+02:00",
   "url": "https://kommunikasjon.ntb.no/pressemelding/18681461/fakta-om-dronedeteksjon-ved-avinors-lufthavner?lang=no&publisherId=17421123"
  }
 ],
 "summary": "On the night of 22 September 2025, Oslo Airport closed its airspace after reports of drone observations near Gardermoen. Several flights were diverted and the airspace reopened at about 03:20 on 23 September. A later Dagbladet report says it is still not publicly known whether drones were actually observed, and that a drone detection system at the airport was down at the time.",
 "timeline": [
  {
   "date": "2025-09-22",
   "source": 0,
   "text": "Airport patrols reported luminous objects in the sky; traffic was redirected to another runway, then further sightings led to a full closure of the airspace around midnight."
  },
  {
   "date": "2025-09-23",
   "source": 0,
   "text": "Avinor reopened the airspace by about 03:22 local time."
  },
  {
   "date": "2025-09-23",
   "source": 1,
   "text": "Police in Oslo said they had detained two people overnight in connection with unauthorised drone flights in the city centre; a police attorney said the case appears unrelated to the airport incidents."
  },
  {
   "date": "2025-10-10",
   "source": 2,
   "text": "Dagbladet reported that a drone detection system was down at the time and that it is still not publicly known whether drones were observed."
  }
 ],
 "title": "Oslo Airport closed for hours after reported drone sightings; later reporting says a detection system was down",
 "unknown": "Whether drones were present at all. Dagbladet reported in October that it is still not publicly known whether drones were observed, and the police district investigating said information about airport systems is classified. Who operated any drones is unknown. Police detained two people that night for unauthorised drone flying in central Oslo; a police attorney said that case appears unrelated to the airport.",
 "updatedAt": "2026-10-16",
 "windowBasis": null,
 "windowEnd": null,
 "windowStart": null
}