{
 "archiveEntity": {
  "countermeasures": [
   {
    "actor": "Delhi Police / airport operations",
    "generalOnly": true,
    "id": "historical-response-context",
    "incidentUse": "reported",
    "kind": "flight_restriction",
    "quote": "operations at all the three runways were closed as a precautionary measure",
    "quoteCheckedAt": "2026-10-16",
    "since": null,
    "sourceIndex": 0,
    "sourceUrl": "https://indianexpress.com/article/india/delhi-airport-live-igflight-operation-at-delhi-airport-halted-as-pilot-spots-drone-4805435/",
    "statement": {
     "ar": "وصفت الشرطة قيوداً احترازية على المدارج عقب بلاغ عن جسم مجهول. ولم تثبت هويته كمسيّرة.",
     "en": "Police described precautionary runway restrictions after an unidentified-object report. Drone identity remains unestablished.",
     "fa": "پلیس محدودیت احتیاطی باندها پس از گزارش جسم ناشناس را شرح داد. پهپاد بودن جسم احراز نشده است.",
     "ru": "Полиция описала предупредительные ограничения на полосах после сообщения о неизвестном объекте. Принадлежность объекта к дронам не установлена.",
     "uk": "Поліція описала запобіжні обмеження на смугах після повідомлення про невідомий об’єкт. Належність об’єкта до дронів не встановлено."
    }
   }
  ],
  "key": "indira-gandhi-international-airport",
  "kind": "airport",
  "label": "Indira Gandhi International 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 operator established in the selected reporting.",
 "attributionSources": [],
 "attributionStatus": "none",
 "autoCheckedAt": null,
 "category": "airport",
 "checkedAt": "2026-10-17",
 "claims": [
  {
   "assessment": "supports",
   "axis": "drone",
   "claimant": "AirAsia via Indian Express",
   "id": "unidentified-object",
   "note": "Short literal passage read on public source page; original evidence origins are distinguished in evidence.",
   "originId": "airasia-20170820",
   "quote": "spotted unidentified object flying close to aircraft",
   "quoteCheckedAt": "2026-10-16",
   "quoteTranslation": {},
   "relay": "relayed",
   "sourceIndex": 0,
   "statement": "AirAsia described an unidentified object rather than establishing drone identity."
  },
  {
   "assessment": "supports",
   "axis": "impact",
   "claimant": "Delhi Police via Indian Express",
   "id": "police-restriction",
   "note": "Short literal passage read on public source page; original evidence origins are distinguished in evidence.",
   "originId": "delhi-police-20170820",
   "quote": "operations at all the three runways were closed as a precautionary measure",
   "quoteCheckedAt": "2026-10-16",
   "quoteTranslation": {},
   "relay": "relayed",
   "sourceIndex": 0,
   "statement": "Contemporary police account describes precautionary restrictions."
  },
  {
   "assessment": "supports",
   "axis": "impact",
   "claimant": "Air India via Times of India",
   "id": "airline-diversions",
   "note": "Short literal passage read on public source page; original evidence origins are distinguished in evidence.",
   "originId": "airindia-20170820",
   "quote": "Two of our flights to Delhi, including one on a wide body, had to be diverted.",
   "quoteCheckedAt": "2026-10-16",
   "quoteTranslation": {},
   "relay": "relayed",
   "sourceIndex": 1,
   "statement": "Air India separately reported diverted services."
  }
 ],
 "corroboration": "curated",
 "country": "India",
 "countryCode": "IN",
 "date": "2017-08-20",
 "dateKind": "event",
 "droneStatus": "reported",
 "droneStatusSources": [
  0,
  1
 ],
 "droneTypes": [],
 "evidence": "Indian Express relays Delhi Police and AirAsia statements. The Times of India’s separate TNN report interviews an air-traffic official and Air India about disruption. AirAsia’s unidentified-object statement is shared, not independent drone identification. A later official parliamentary answer provides a conflicting account of the restriction’s extent.",
 "followUp": [],
 "id": "delhi-airport-drone-like-object-2017-08-20",
 "impact": "Contemporary reports describe disrupted flights and diversions. A later parliamentary answer says only one runway was suspended while others continued operating. The exact extent and duration of the restrictions remain disputed.",
 "impactStatus": "confirmed",
 "impactStatusSources": [
  0,
  1
 ],
 "lat": 28.61,
 "locationPrecision": "region",
 "lon": 77.21,
 "media": [],
 "namedLocation": null,
 "operationalEffects": [],
 "outcome": [],
 "place": "New Delhi",
 "plainSummary": {},
 "publisherMedia": [],
 "reportTiming": null,
 "review": "editor",
 "revision": 2,
 "scope": "single",
 "series": [],
 "sources": [
  {
   "family": "indian-express",
   "label": "Indian Express: Delhi Police and AirAsia statements",
   "published": "2017-08-20",
   "url": "https://indianexpress.com/article/india/delhi-airport-live-igflight-operation-at-delhi-airport-halted-as-pilot-spots-drone-4805435/"
  },
  {
   "family": "times-of-india",
   "label": "Times of India / TNN: air traffic and Air India accounts",
   "published": "2017-08-21",
   "url": "https://timesofindia.indiatimes.com/city/delhi/drone-sighting-hits-igi-flight-operations/articleshow/60149527.cms"
  },
  {
   "family": "india-parliament",
   "label": "Rajya Sabha: civil aviation written answer338, printed page154",
   "published": "2017-12-19",
   "url": "https://cms.rajyasabha.nic.in/UploadedFiles/Debates/OfficialDebatesDatewise/Floor/244/F19.12.2017.pdf"
  }
 ],
 "summary": "A pilot reported an unidentified drone-like object near Delhi’s Indira Gandhi International Airport on 20 August 2017. Contemporary police, airline and air-traffic accounts describe precautionary flight restrictions and diversions; a later government answer disputes an airport-wide shutdown.",
 "timeline": [
  {
   "date": "2017-08-20",
   "source": 0,
   "text": "Unidentified-object report leads to precautionary restrictions and diversions; exact extent disputed."
  },
  {
   "date": "2017-12-19",
   "source": 2,
   "text": "Parliamentary answer disputes an airport-wide shutdown and describes a single-runway suspension."
  }
 ],
 "title": "Drone-like object report disrupts Delhi airport operations",
 "unknown": "No technical drone identification or operator established. Reports variously give about 40 minutes and 46 minutes and refer to an earlier separate scare that day. No exact closure duration, airport-wide shutdown or observation clock adopted. The parliamentary answer dated19December2017 concerns20August but contradicts contemporary all-runway accounts.",
 "updatedAt": "2026-10-17",
 "windowBasis": null,
 "windowEnd": null,
 "windowStart": null
}