{
 "vendors": [
  {
   "id": "saab",
   "name": "Saab",
   "aliases": [
    "Saab"
   ],
   "country": "Sweden",
   "url": "https://www.saab.com/markets/air-traffic-management/digital-towers",
   "blurb": "Swedish defence and aerospace group whose Digital Air Traffic Solutions unit sells digital towers. Its system went into the first production remote tower, at Örnsköldsvik in 2015."
  },
  {
   "id": "frequentis",
   "name": "Frequentis",
   "aliases": [
    "Frequentis"
   ],
   "country": "Austria",
   "url": "https://www.frequentis.com",
   "blurb": "Austrian communications and tower systems supplier. Frequentis USA received FAA system design approval, with conditions, on 2 September 2026."
  },
  {
   "id": "kongsberg",
   "name": "Kongsberg",
   "aliases": [
    "Kongsberg"
   ],
   "country": "Norway",
   "url": "https://www.kongsberg.com",
   "blurb": "Norwegian defence and technology group. Core developer of the remote tower system behind Avinor's NINOX programme and the NAV CANADA DAATS framework contract (through Kongsberg Geospatial)."
  },
  {
   "id": "indra",
   "name": "Indra",
   "aliases": [
    "Indra"
   ],
   "country": "Spain",
   "url": "https://www.indragroup.com",
   "blurb": "Spanish defence and air traffic management supplier. Works with Kongsberg on Avinor's Bodø centre and supplies the Fintraffic multi-airport centre, HungaroControl's Budapest centre and AlUla."
  },
  {
   "id": "searidge",
   "name": "Searidge Technologies",
   "aliases": [
    "Searidge"
   ],
   "country": "Canada",
   "url": "https://www.searidgetech.com",
   "blurb": "Ottawa-based digital tower and apron vision company, partly owned by NATS. Supplier at Vigo, Hong Kong, Manchester, Farnborough, Heathrow and the Changi prototype."
  },
  {
   "id": "adacel",
   "name": "Adacel",
   "aliases": [
    "Adacel"
   ],
   "country": "Canada",
   "url": "https://www.adacel.com",
   "blurb": "Air traffic simulation and automation company. Took over the remote tower technology developed by Cybernetica for EANS in 2022."
  },
  {
   "id": "ferronats",
   "name": "FerroNATS",
   "aliases": [
    "FerroNATS"
   ],
   "country": "Spain",
   "url": "https://www.ferronats.com",
   "blurb": "Spanish air navigation services joint venture of Ferrovial and NATS. Delivery partner with Searidge at Vigo."
  },
  {
   "id": "oki",
   "name": "OKI",
   "aliases": [
    "OKI"
   ],
   "country": "Japan",
   "url": "https://www.oki.com/jp/press/2022/02/z21090.html",
   "blurb": "Japanese electronics company. Supplied the RVA-19 remote tower device the Japan Civil Aviation Bureau uses for remote air-ground service at Amami."
  }
 ],
 "ansps": [
  {
   "id": "avinor",
   "name": "Avinor",
   "aliases": [
    "Avinor"
   ],
   "country": "Norway",
   "url": "https://avinor.no/remote",
   "blurb": "Norwegian airport operator and air navigation service provider. Runs the Bodø Remote Towers Centre."
  },
  {
   "id": "lfv",
   "name": "LFV",
   "aliases": [
    "LFV"
   ],
   "country": "Sweden",
   "url": "https://lfv.se/en/services/airport-services/remote-tower-services",
   "blurb": "Swedish air navigation service provider. Runs remote tower centres at Sundsvall and Stockholm."
  },
  {
   "id": "nats",
   "name": "NATS",
   "aliases": [
    "NATS"
   ],
   "country": "United Kingdom",
   "url": "https://www.nats.aero",
   "blurb": "UK air navigation service provider. Controls London City remotely from Swanwick and operates the Heathrow digital tower laboratory."
  },
  {
   "id": "dfs",
   "name": "DFS and DFS Aviation Services",
   "aliases": [
    "DFS",
    "DFS Aviation Services"
   ],
   "country": "Germany",
   "url": "https://www.dfs.de",
   "blurb": "German air navigation service provider and its services subsidiary. Runs the Leipzig and Braunschweig remote tower centres."
  },
  {
   "id": "hungarocontrol",
   "name": "HungaroControl",
   "aliases": [
    "HungaroControl"
   ],
   "country": "Hungary",
   "url": "https://en.hungarocontrol.hu",
   "blurb": "Hungarian air navigation service provider. Operates a remote tower for Budapest."
  },
  {
   "id": "iaa",
   "name": "IAA (Irish Aviation Authority)",
   "aliases": [
    "IAA"
   ],
   "country": "Ireland",
   "url": "https://www.iaa.ie/air-traffic-management/innovation/remote-towers",
   "blurb": "Irish air navigation service provider. Trialled multiple remote towers for Cork and Shannon from Dublin."
  },
  {
   "id": "lvnl",
   "name": "LVNL",
   "aliases": [
    "LVNL"
   ],
   "country": "Netherlands",
   "url": "https://en.lvnl.nl",
   "blurb": "Dutch air navigation service provider. Contracted Saab for remote towers at Groningen and Maastricht."
  },
  {
   "id": "naviair",
   "name": "Naviair",
   "aliases": [
    "Naviair"
   ],
   "country": "Denmark",
   "url": "https://www.naviair.dk",
   "blurb": "Danish air navigation service provider. Chose an integrated remote tower and approach centre starting with Billund."
  },
  {
   "id": "fintraffic",
   "name": "Fintraffic ANS",
   "aliases": [
    "Fintraffic ANS"
   ],
   "country": "Finland",
   "url": "https://www.fintraffic.fi",
   "blurb": "Finnish air navigation service provider. Announced a multi-airport remote tower centre at Vantaa in June 2026."
  },
  {
   "id": "eans",
   "name": "EANS",
   "aliases": [
    "EANS"
   ],
   "country": "Estonia",
   "url": "https://eans.ee/en/tegevused/arendustegevused/remote-tower",
   "blurb": "Estonian air navigation service provider. Has served Tartu from Tallinn since April 2023."
  },
  {
   "id": "oro",
   "name": "Oro Navigacija",
   "aliases": [
    "Oro Navigacija"
   ],
   "country": "Lithuania",
   "url": "https://www.ans.lt",
   "blurb": "Lithuanian air navigation service provider. Ordered a Saab digital tower for Vilnius in 2025."
  },
  {
   "id": "pansa",
   "name": "PANSA",
   "aliases": [
    "PANSA"
   ],
   "country": "Poland",
   "url": "https://www.pansa.pl",
   "blurb": "Polish Air Navigation Services Agency. Selected Saab's digital tower for Warsaw Modlin in July 2025."
  },
  {
   "id": "aena",
   "name": "Aena and ENAIRE",
   "aliases": [
    "Aena"
   ],
   "country": "Spain",
   "url": "https://www.aena.es",
   "blurb": "Spanish airport operator and air navigation provider. Vigo is Spain's first certified digital tower."
  },
  {
   "id": "dsna",
   "name": "DSNA",
   "aliases": [
    "DSNA"
   ],
   "country": "France",
   "url": "https://canso.org/france-selects-frequentis-remote-digital-tower/",
   "blurb": "French air navigation service provider. Selected Frequentis for a Toulouse centre and a first tower at Tours."
  },
  {
   "id": "enav",
   "name": "ENAV",
   "aliases": [
    "ENAV"
   ],
   "country": "Italy",
   "url": "https://www.enav.it",
   "blurb": "Italian air navigation service provider. Inaugurated Italy's first remotely managed tower at Brindisi in 2022."
  },
  {
   "id": "skyguide",
   "name": "skyguide",
   "aliases": [
    "skyguide"
   ],
   "country": "Switzerland",
   "url": "https://www.skyguide.ch",
   "blurb": "Swiss air navigation service provider. Has reported plans for a remote tower at Geneva."
  },
  {
   "id": "navcanada",
   "name": "NAV CANADA",
   "aliases": [
    "NAV CANADA"
   ],
   "country": "Canada",
   "url": "https://www.navcanada.ca",
   "blurb": "Canadian air navigation service provider. Running the DAATS programme with Kongsberg Geospatial."
  },
  {
   "id": "decea",
   "name": "DECEA",
   "aliases": [
    "DECEA"
   ],
   "country": "Brazil",
   "url": "https://www.decea.mil.br",
   "blurb": "Brazilian airspace control department. Installed South America's first remote tower at Santa Cruz in 2019."
  },
  {
   "id": "airservices",
   "name": "Airservices Australia",
   "aliases": [
    "Airservices Australia"
   ],
   "country": "Australia",
   "url": "https://www.airservicesaustralia.com",
   "blurb": "Australian air navigation service provider. Building the digital tower for Western Sydney International."
  },
  {
   "id": "caas",
   "name": "CAAS",
   "aliases": [
    "CAAS"
   ],
   "country": "Singapore",
   "url": "https://www.caas.gov.sg",
   "blurb": "Civil Aviation Authority of Singapore. Commissioned a smart digital tower prototype at Changi."
  },
  {
   "id": "sans",
   "name": "SANS",
   "aliases": [
    "SANS"
   ],
   "country": "Saudi Arabia",
   "url": "https://sans.com.sa",
   "blurb": "Saudi Air Navigation Services. Operates AlUla remotely from Jeddah."
  },
  {
   "id": "faa",
   "name": "FAA",
   "aliases": [
    "FAA",
    "FAA (non-federal)",
    "FAA / Colorado DOT"
   ],
   "country": "United States",
   "url": "https://www.faa.gov/airports/planning_capacity/non_federal/remote_tower_systems",
   "blurb": "US Federal Aviation Administration. Sets the design approval path for remote tower systems in the National Airspace System."
  },
  {
   "id": "romatsa",
   "name": "ROMATSA",
   "aliases": [
    "ROMATSA"
   ],
   "country": "Romania",
   "url": "https://romatsa.ro/en/a/evenimente/premiera-in-romania:-dirijarea-prin-tehnologia-remote-tower",
   "blurb": "Romanian air traffic services administration. Controls Brașov-Ghimbav from its centre in Arad, about 450 km away."
  },
  {
   "id": "rlp",
   "name": "ŘLP ČR",
   "aliases": [
    "ŘLP ČR"
   ],
   "country": "Czech Republic",
   "url": "https://zdopravy.cz/virtualni-vez-provoz-na-letisti-v-budejovicich-se-bude-ridit-na-dalku-z-ostravy-172109/",
   "blurb": "Czech state air navigation provider. Has said it plans a remote tower at Mošnov near Ostrava to control České Budějovice."
  },
  {
   "id": "skeyes",
   "name": "skeyes",
   "aliases": [
    "skeyes"
   ],
   "country": "Belgium",
   "url": "https://annualreport.skeyes.be/en/innovation/digital-towers",
   "blurb": "Belgian air navigation service provider. Building a digital tower centre in Namur for Liège and Charleroi, due 2027."
  },
  {
   "id": "airwaysnz",
   "name": "Airways New Zealand",
   "aliases": [
    "Airways New Zealand"
   ],
   "country": "New Zealand",
   "url": "https://www.airways.co.nz/media-centre/media-statements/airways-unveils-future-digital-air-traffic-control-tower",
   "blurb": "New Zealand's air navigation service provider. Trialled a prototype digital tower at Auckland in 2017 and awarded Frequentis the Invercargill contract in 2019."
  },
  {
   "id": "jcab",
   "name": "Japan Civil Aviation Bureau",
   "aliases": [
    "JCAB"
   ],
   "country": "Japan",
   "url": "https://www.mlit.go.jp/koku/",
   "blurb": "Japan's civil aviation authority. Runs the remote air-ground service at Amami from Naha."
  },
  {
   "id": "qcaa",
   "name": "Qatar Civil Aviation Authority",
   "aliases": [
    "Qatar CAA"
   ],
   "country": "Qatar",
   "url": "https://www.caa.gov.qa",
   "blurb": "Qatar's civil aviation authority and air navigation service provider. Adopted a hybrid digital tower model at Hamad International."
  },
  {
   "id": "caac",
   "name": "CAAC",
   "aliases": [
    "CAAC",
    "Xinjiang Airport Group"
   ],
   "country": "China",
   "url": "https://www.icao.int/sites/default/files/APAC/Meetings/2024/2024%20SURICG-9/4-Information%20Papers/IP07_CHN-AI.7-Trial-Application-of-Remote-Tower-Optical-System-Technology-in-Civil-Aviation-Industry-of-China.pdf",
   "blurb": "Civil Aviation Administration of China. Has run remote tower optical system trials at Chizhou and Xinyuan Nalati."
  }
 ],
 "regulators": [
  {
   "id": "faa-reg",
   "name": "FAA",
   "country": "United States",
   "url": "https://www.faa.gov/airports/planning_capacity/non_federal/remote_tower_systems",
   "blurb": "Publishes the remote tower systems concept of operations, operational safety assessment, allocation report, operational visual requirements and draft technical requirements, and evaluates designs at the William J. Hughes Technical Center."
  },
  {
   "id": "eurocae",
   "name": "EUROCAE",
   "country": "Europe",
   "url": "https://www.eurocae.net/product/ed-240a-minimum-aviation-system-performance-standards-masps-for-remote-tower-optical-systems",
   "blurb": "Publishes ED-240A, minimum aviation system performance standards for remote tower optical systems, which extends ED-240 with visual tracking and pan-tilt-zoom object following."
  },
  {
   "id": "easa",
   "name": "EASA",
   "country": "Europe",
   "url": "https://www.easa.europa.eu",
   "blurb": "European Union Aviation Safety Agency. National authorities, such as Spain's for Vigo, certify individual systems."
  },
  {
   "id": "icao",
   "name": "ICAO",
   "country": "Global",
   "url": "https://www.icao.int",
   "blurb": "International Civil Aviation Organization. Global standards and recommended practices for air traffic services."
  },
  {
   "id": "ifatca",
   "name": "IFATCA",
   "country": "Global",
   "url": "https://www.ifatca.org",
   "blurb": "International Federation of Air Traffic Controllers' Associations. Professional body that publishes policy positions on remote towers."
  },
  {
   "id": "canso",
   "name": "CANSO",
   "country": "Global",
   "url": "https://canso.org",
   "blurb": "Civil Air Navigation Services Organisation. Industry body that publishes news and guidance from service providers."
  },
  {
   "id": "casa",
   "name": "CASA",
   "country": "Australia",
   "url": "https://australianaviation.com.au/2026/02/navy-and-airservices-test-western-sydneys-digital-tower/",
   "blurb": "Civil Aviation Safety Authority of Australia. Reviewing the Western Sydney digital tower safety cases as of February 2026."
  },
  {
   "id": "qcaa-reg",
   "name": "Qatar CAA",
   "country": "Qatar",
   "url": "https://backend.ainonline.com/aviation-news/aerospace/2025-12-01/hamad-international-activates-virtual-tower-qatar",
   "blurb": "Adopted the hybrid digital tower model at Hamad International."
  },
  {
   "id": "caac-reg",
   "name": "CAAC",
   "country": "China",
   "url": "https://www.icao.int/sites/default/files/APAC/Meetings/2024/2024%20SURICG-9/4-Information%20Papers/IP07_CHN-AI.7-Trial-Application-of-Remote-Tower-Optical-System-Technology-in-Civil-Aviation-Industry-of-China.pdf",
   "blurb": "Began the experimental phase for remote tower optical systems in 2021."
  }
 ],
 "programs": [
  {
   "id": "ninox",
   "name": "NINOX (Avinor Remote Towers)",
   "url": "https://om.avinor.no/en/aviation-safety/remote-controlled-towers",
   "blurb": "Avinor's programme with Kongsberg, signed 2015. 14 airports run from Bodø as of April 2025, seven more planned."
  },
  {
   "id": "lfv-rtc",
   "name": "LFV remote tower services",
   "url": "https://lfv.se/en/services/airport-services/remote-tower-services",
   "blurb": "LFV's centres at Sundsvall and Stockholm."
  },
  {
   "id": "dfs-rtc",
   "name": "DFS remote tower centres",
   "url": "https://eu-lac-app.eu/public/uploads/DFS_Projekt_RTC_20231024_eng.pdf",
   "blurb": "Leipzig since 2018 and Braunschweig since 2024."
  },
  {
   "id": "fintraffic-rtc",
   "name": "Fintraffic multi-airport centre",
   "url": "https://www.indragroup.com/cms-content/2026/06/260625-PR-Indra-digital-multiairport-tower-Fintraffic.pdf",
   "blurb": "Seven airports from a Vantaa centre, announced June 2026."
  },
  {
   "id": "sesar",
   "name": "SESAR remote tower demonstrations",
   "url": "https://www.iaa.ie/air-traffic-management/innovation/remote-towers",
   "blurb": "EU research programme that co-funded multiple remote tower demonstrations."
  },
  {
   "id": "daats",
   "name": "NAV CANADA DAATS",
   "url": "https://www.kongsberggeospatial.com/news/nav-canada-selects-kongsberg-geospatial-as-the-technology-partner-to-equip-digital-aerodrome-air-traffic-services-daats-program",
   "blurb": "Digital Aerodrome Air Traffic Services programme; Kingston first."
  },
  {
   "id": "faa-rts",
   "name": "FAA remote tower systems program",
   "url": "https://www.faa.gov/airports/planning_capacity/non_federal/remote_tower_systems",
   "blurb": "System design approval path, testing at the Technical Center, and eligibility under the Contract Tower Program."
  },
  {
   "id": "lvnl-centralised",
   "name": "LVNL Centralised Base (remote towers)",
   "url": "https://jaarverslag.lvnl.nl/jaarverslag-2025/veiligheid/projectportfolio-overige-projecten",
   "blurb": "Groningen and Maastricht Aachen to be run from Schiphol-Oost. Postponed since 2022 per LVNL's 2025 annual report."
  },
  {
   "id": "skeyes-namur",
   "name": "skeyes digital towers (Namur)",
   "url": "https://annualreport.skeyes.be/en/innovation/digital-towers",
   "blurb": "Namur centre for Liège and Charleroi, operational in 2027; test centre opened May 2024."
  },
  {
   "id": "airservices-das",
   "name": "Airservices Digital Aerodrome Services",
   "url": "https://www.airservicesaustralia.com/airservices-australia-launches-nations-first-purpose-built-digital-air-traffic-control-service-at-western-sydney-international-airport",
   "blurb": "Alice Springs trial (2011 to 2012), Sydney prototype (2019), and the Western Sydney digital tower."
  }
 ],
 "us_timeline": [
  [
   "2015-06",
   "Leesburg Executive Airport tests a remote tower system (summer 2015).",
   "https://en.wikipedia.org/wiki/Remote_and_virtual_tower"
  ],
  [
   "2015-10-01",
   "Colorado announces Northern Colorado Regional as an FAA remote tower test site.",
   "https://en.wikipedia.org/wiki/Remote_and_virtual_tower"
  ],
  [
   "2018",
   "Air traffic services at Leesburg begin through the FAA remote tower program.",
   "https://www.leesburgva.gov/departments/capital-projects/current-projects/airport-projects/airport-air-traffic-control-tower"
  ],
  [
   "2020-04-07",
   "FAA publishes Remote Tower Systems Concept of Operations v1.0.",
   "https://www.faa.gov/airports/planning_capacity/non_federal/remote_tower_systems"
  ],
  [
   "2021-04-01",
   "Operational Safety Assessment v2.7 published (Allocation Report v1.3 follows 16 Sep 2021).",
   "https://www.faa.gov/airports/planning_capacity/non_federal/remote_tower_systems"
  ],
  [
   "2022-02-18",
   "Draft Advisory Circular v3.0 for non-federal remote tower systems.",
   "https://www.faa.gov/airports/planning_capacity/non_federal/remote_tower_systems"
  ],
  [
   "2023-01-10",
   "Operational Visual Requirements draft v2.1.",
   "https://www.faa.gov/airports/planning_capacity/non_federal/remote_tower_systems"
  ],
  [
   "2023-03-16",
   "FAA vendor information meeting on remote towers.",
   "https://www.faa.gov/airports/planning_capacity/non_federal/remote_tower_systems"
  ],
  [
   "2023-06",
   "FAA discontinues the remote tower program at Leesburg.",
   "https://www.leesburgva.gov/departments/capital-projects/current-projects/airport-projects/airport-air-traffic-control-tower"
  ],
  [
   "2023-11",
   "Colorado DOT says the FAA terminated the Northern Colorado project in late 2023 after the vendor stopped work.",
   "https://www.codot.gov/business/consultants/advertised-projects/2026/statewide-project-specific-digital-airport-traffic-control-tower-project-management-services/cdot-aero-digital-tower-program-management-sow_acc.pdf"
  ],
  [
   "2024-05-16",
   "FAA Reauthorization Act of 2024 signed. Reason summarizes Section 621: a defined design and operational approval process within 180 days, briefings through September 2028, and eligibility under the Contract Tower Program.",
   "https://reason.org/aviation-policy-news/faa-reauthorization-boosts-u-s-remote-towers"
  ],
  [
   "2024-06",
   "Remote Tower System Technical Requirements draft v5.0.",
   "https://www.faa.gov/airports/planning_capacity/non_federal/remote_tower_systems"
  ],
  [
   "2025-02-06",
   "FAA page states remote tower systems are not currently approved for use in the NAS and lists no system design approval.",
   "https://www.faa.gov/airports/planning_capacity/non_federal/remote_tower_systems"
  ],
  [
   "2025-08-27",
   "AIN: FAA tests systems at the Technical Center and selected RTX-Frequentis for design approval evaluation; no approvals issued yet.",
   "https://backend.ainonline.com/aviation-news/2025-08-27/faa-tests-while-winter-haven-preps-remote-tower"
  ],
  [
   "2026-04-22",
   "Digital Tower Technology Coalition announces its priorities.",
   "https://backend.ainonline.com/aviation-news/air-transport/2026-04-21/digital-towers-coalition-back-remote-tech-us"
  ],
  [
   "2026-04-29",
   "Military and Aerospace Electronics reports an FAA request for proposals for remote tower systems, a potential 50 units over five years, responses due 26 June 2026.",
   "https://www.militaryaerospace.com/communications/news/55373599/faa-seeks-remote-air-traffic-control-tower-tech-for-us-airports"
  ],
  [
   "2026-09-02",
   "FAA grants system design approval to Frequentis USA, with conditions (as stated in AIP Program Guidance Letter 26-06).",
   "https://www.faa.gov/airports/aip/guidance_letters/aip_pgl_26_06"
  ],
  [
   "2026-09-04",
   "FAA Digital Tower Systems page last updated. It says the FAA is renaming Remote Tower to Digital Tower, is evaluating designs at the Technical Center and will update the page when (and if) it issues a System Design Approval. At our 11 Oct 2026 review it did not list the 2 Sep approval that PGL 26-06 describes.",
   "https://www.faa.gov/airports/planning_capacity/non_federal/digital_tower_systems"
  ],
  [
   "2026-09-18",
   "FY27 Contract Tower Competitive Grant Program opens; digital towers are eligible if FAA-certified. Applications close 19 October 2026.",
   "https://www.faa.gov/iija/airport-infrastructure/fct"
  ],
  [
   "2026-09-28",
   "FAA Office of Airports issues PGL 26-06 on AIP funding of Digital Airport Traffic Control Tower systems. It does not grant operational approval.",
   "https://www.faa.gov/airports/aip/guidance_letters/aip_pgl_26_06"
  ],
  [
   "2026-10-02",
   "Colorado Aeronautical Board hears that guidance was issued and design approval granted; award timing is described as uncertain.",
   "https://citizenportal.ai/articles/10446362/colorado/executive/governors-office/governors-boards-and-commissions/colorado-aeronautical-board/division-says-digitaltower-guidance-issued-faa-system-approval-boosts-fct-eligibility-prospects"
  ]
 ],
 "faa_docs": [
  [
   "Concept of Operations v1.0",
   "2020-04-07",
   "faa-rts-conops-v1.0-2020-04-07.pdf"
  ],
  [
   "Operational Safety Assessment v2.7",
   "2021-04-01",
   "faa-rts-osa-v2.7-2021-04-01.pdf"
  ],
  [
   "Allocation Report v1.3",
   "2021-09-16",
   "faa-rts-allocation-report-v1.3-2021-09-16.pdf"
  ],
  [
   "Vendor feedback briefing",
   "2021-07-21",
   "faa-rts-vendor-feedback-briefing-2021-07-21.pdf"
  ],
  [
   "Draft Advisory Circular v3.0",
   "2022-02-18",
   "faa-rts-advisory-circular-draft-3.0-2022-02-18.pdf"
  ],
  [
   "Operational Visual Requirements draft v2.1",
   "2023-01-10",
   "faa-rts-ovr-draft-2.1-2023-01-10.pdf"
  ],
  [
   "Industry awareness briefing",
   "2023-03-16",
   "faa-rts-industry-awareness-briefing-2023-03-16.pdf"
  ],
  [
   "Technical Requirements draft v5.0",
   "2024-06",
   "faa-rts-technical-requirements-draft-5.0-2024-06.pdf"
  ]
 ],
 "coverage": [
  {
   "country": "Austria",
   "result": "No remote or digital tower found",
   "text": "Austro Control's pages and trade coverage reviewed on 11 October 2026 mention no remote or digital tower. Frequentis is headquartered in Austria, but its Austrian reference in the sources reviewed is a conventional tower (Salzburg, 2014).",
   "links": [
    [
     "Salzburg tower (Frequentis, 2014)",
     "https://www.atc-network.com/atc-news/new-austro-control-tower-in-salzburg-technical-solutions-from-frequentis-support-operations"
    ],
    [
     "Austro Control overview",
     "https://en.wikipedia.org/wiki/Austro_Control"
    ]
   ]
  },
  {
   "country": "United Arab Emirates (Abu Dhabi)",
   "result": "No remote tower found",
   "text": "Abu Dhabi Airports adopted Frequentis's Advanced Automated Tower concept, which puts tower information on one screen inside the tower. Frequentis's page names no remote digital tower at Abu Dhabi. No UAE remote tower announcement was found.",
   "links": [
    [
     "Frequentis: Abu Dhabi Advanced Automated Tower",
     "https://www.frequentis.com/en/node/4360"
    ]
   ]
  },
  {
   "country": "Czech Republic",
   "result": "Planned only (added)",
   "text": "ŘLP has said it plans a remote tower at Mošnov to control České Budějovice. A later report says construction had not started. Both sites are listed as planned with low confidence.",
   "links": [
    [
     "Zdopravy.cz, Aug 2023",
     "https://zdopravy.cz/virtualni-vez-provoz-na-letisti-v-budejovicich-se-bude-ridit-na-dalku-z-ostravy-172109/"
    ],
    [
     "Zdopravy.cz, later report",
     "https://zdopravy.cz/nova-era-rizeni-letadel-virtualni-vez-budou-mit-i-v-polsku-pripravy-bezi-take-u-nas-256221/"
    ]
   ]
  },
  {
   "country": "Japan",
   "result": "Remote air-ground service only (added)",
   "text": "Amami has had a remote RADIO (aerodrome air-ground) service run from Naha since October 2021. That is not remote air traffic control, so it is typed separately. The Japan Civil Aviation Bureau's remote tower work in the sources reviewed is research.",
   "links": [
    [
     "OKI press release",
     "https://www.oki.com/jp/press/2022/02/z21090.html"
    ],
    [
     "WING, July 2021",
     "https://www.jwing.net/news/40463"
    ]
   ]
  },
  {
   "country": "India",
   "result": "Study only",
   "text": "An undated trade report says the Airports Authority of India was studying remote towers with the regulator and that Saab and Searidge were in talks. No installation or contract was found.",
   "links": [
    [
     "International Airport Review",
     "https://www.internationalairportreview.com/news/74028/remote-air-traffic-control-india/"
    ]
   ]
  },
  {
   "country": "South Korea",
   "result": "Not a remote tower",
   "text": "Incheon's digital apron tower is an apron control system integrated with the existing physical tower. A fully digital remote tower for Terminal 3 is described as under consideration, with no date.",
   "links": [
    [
     "ICAO information paper, 2024",
     "https://www.icao.int/sites/default/files/APAC/Meetings/2024/2024%20AOP-SG-8/4-Information%20Papers/IP10-AI7-ROK_Digital-Apron-Tower-Transforming-Airport-Operations.pdf"
    ]
   ]
  },
  {
   "country": "China",
   "result": "Trials only (added)",
   "text": "Two trials are listed: Xinyuan Nalati (2020) and Chizhou (2021 onward). No operational remote tower control service was found.",
   "links": [
    [
     "Aviation Week, May 2020",
     "https://ngstage.aviationweek.com/air-transport/safety-ops-regulation/china-trials-remote-tower-operations-xinjiang"
    ],
    [
     "ICAO information paper, 2024",
     "https://www.icao.int/sites/default/files/APAC/Meetings/2024/2024%20SURICG-9/4-Information%20Papers/IP07_CHN-AI.7-Trial-Application-of-Remote-Tower-Optical-System-Technology-in-Civil-Aviation-Industry-of-China.pdf"
    ]
   ]
  }
 ],
 "reflists": [
  [
   "Frequentis",
   "Remote digital tower focus page",
   "Gives only totals (12 customers at 16 airports) and no names, so the total cannot be reconciled with this map.",
   "https://www.frequentis.com/en/air-traffic-management/focus-areas/remote-digital-tower"
  ],
  [
   "NATS and Searidge",
   "NATS digital towers page",
   "Lists London City, Farnborough, Manchester, Miquelon and Saint-Pierre, Vigo, Hamad, Heathrow, Hong Kong and a Paris Orly logo. Hamad and Miquelon were added; Orly has no described tower.",
   "https://www.nats.aero/our-solutions/digital-towers/"
  ],
  [
   "Saab",
   "Press releases 2024 and 2026",
   "Stockholm-Västerås (start 1 January 2028) and the skeyes Belgium test centre. Belgium added.",
   "https://www.saab.com/newsroom/press-releases/2026/saab-is-digitalizing-stockholm-vasteras-airport-with-remote-air-traffic-control-services"
  ],
  [
   "Indra",
   "AlUla and Fintraffic releases",
   "Both already on the map; AlUla operating remotely from Jeddah per Indra's 11 Feb 2026 release.",
   "https://www.indragroup.com/cms-content/2026/02/260211-PR-Indra-AI-UIa-Digital-Tower-1.pdf"
  ],
  [
   "Kongsberg",
   "Menorca and DAATS",
   "Menorca re-checked and shown as cancelled (reported). Kingston unchanged.",
   "https://www.kongsberg.com/news/news-archive/20202/spains-menorca-airport-to-operate-with-kongsbergs-remote-tower-system/"
  ],
  [
   "Thales",
   "TopSky-ATC remote tower release",
   "A product extension with HungaroControl and Searidge as partners; no operating airport found.",
   "https://www.thalesgroup.com/en/news-centre/press-releases/thales-extends-topsky-atc-remote-tower-and-signs-partnerships"
  ],
  [
   "Avinor, LFV, DFS, HungaroControl, skyguide",
   "Provider pages",
   "Already on the map. skyguide's Geneva plan (Sept 2022) names no vendor and no date.",
   "https://www.worldradio.ch/news/bitesize-news/airport-control-tower-to-go-virtual"
  ],
  [
   "NAV CANADA and Kongsberg Geospatial",
   "DAATS program",
   "Kingston only; no other site found.",
   "https://www.kongsberggeospatial.com/news/nav-canada-selects-kongsberg-geospatial-as-the-technology-partner-to-equip-digital-aerodrome-air-traffic-services-daats-program"
  ],
  [
   "Airservices Australia",
   "Western Sydney, Sydney, Alice Springs",
   "Western Sydney updated; Sydney 2019 prototype and Alice Springs 2011 to 2012 trial added.",
   "https://www.airservicesaustralia.com/airservices-australia-launches-nations-first-purpose-built-digital-air-traffic-control-service-at-western-sydney-international-airport"
  ],
  [
   "CAAS and Changi",
   "NATS release on the prototype",
   "Prototype awarded; no operating service found. Entry unchanged.",
   "https://www.nats.aero/news/nats-wins-major-smart-digital-tower-contract-changi-airport/"
  ],
  [
   "DECEA Brazil",
   "Santa Cruz installation",
   "Santa Cruz airbase, October 2019; no second site found.",
   "https://www.aviationpros.com/airport-business/airport-infrastructure-operations/airport-technology/communications/press-release/21111194/frequentis-usa-inc-brazil-implements-south-americas-first-remote-air-traffic-control-tower-with-frequentis"
  ],
  [
   "FAA",
   "Digital Tower Systems page and PGL 26-06",
   "Page updated 4 Sep 2026 and renamed to Digital Tower Systems; PGL 26-06 confirms the Frequentis USA design approval of 2 Sep 2026.",
   "https://www.faa.gov/airports/planning_capacity/non_federal/digital_tower_systems"
  ]
 ]
}