How towers connect
Who supplies, who runs, who regulates and which airports are controlled from which centre, drawn from the same sourced records as the map. Pick two kinds of party to see how many sites join them, then tap a name or a line to list the sites. Approvals and go-lives timeline.
Tap a name or a line above to list the sites it covers.
Remote tower centres and the airports they control
Each centre is controlled by one provider; every airport chip opens that airport.
Airservices Adelaide centre (2012 remote tower trial hub)
Australia · Airservices Australia · Saab
Airservices Digital Aerodrome Service centre, Eastern Creek
Australia · Airservices Australia · Frequentis
ŘLP planned remote tower centre, Mošnov (Ostrava)
Czech Republic · ŘLP ČR · vendor not named
DFS Aviation Services Remote Tower Center Niedersachsen
Germany · DFS Aviation Services · Frequentis
Bodø Remote Towers Centre
Norway · Avinor · Kongsberg, Indra
Inverness (HIAL Combined Surveillance Centre)
United Kingdom · HIAL · vendor not named
By vendor
- Saab 33 sitesWorks with: LFV (10), skeyes (4), IAA (Irish Aviation Authority) (3), LVNL (3), NATS (2), Royal Navy (2), ROMATSA (2), Airservices Australia (2)
- Kongsberg 25 sitesWorks with: Avinor (23), Aena and ENAIRE (1), NAV CANADA (1)
- Indra 25 sitesWorks with: Avinor (15), Fintraffic ANS (8), HungaroControl (1), SANS (1)
- Frequentis 22 sitesWorks with: DFS and DFS Aviation Services (8), DSNA (2), FDOT / airport (2), Airservices Australia (2), Airways New Zealand (2), n/a (2), US Army (1), Naviair (1)
- Searidge Technologies 10 sitesWorks with: NATS (3), Aena and ENAIRE (1), FAA (1), Airport Authority Hong Kong / CAD (1), CAAS (1), Airservices Australia (1), Qatar Civil Aviation Authority (1), DSNA (1)
- Adacel 5 sitesWorks with: EANS (5)
- FerroNATS 1 sitesWorks with: Aena and ENAIRE (1)
- OKI 1 sitesWorks with: Japan Civil Aviation Bureau (1)
By provider
- Avinor 24 sitesVendors: Kongsberg (23), Indra (15)
- LFV 10 sitesVendors: Saab (10)
- DFS and DFS Aviation Services 8 sitesVendors: Frequentis (8)
- Fintraffic ANS 8 sitesVendors: Indra (8)
- NATS 5 sitesVendors: Searidge (3), Saab (2)
- EANS 5 sitesVendors: Adacel (5)
- Airservices Australia 5 sitesVendors: Frequentis (2), Saab (2), Searidge (1)
- skeyes 4 sitesVendors: Saab (4)
- IAA (Irish Aviation Authority) 3 sitesVendors: Saab (3)
- LVNL 3 sitesVendors: Saab (3)
- DSNA 3 sitesVendors: Frequentis (2), Searidge (1)
- FAA 3 sitesVendors: Saab (1), Searidge (1), Frequentis (1)
- ROMATSA 2 sitesVendors: Saab (2)
- Aena and ENAIRE 2 sitesVendors: Searidge (1), FerroNATS (1), Kongsberg (1)
- Airways New Zealand 2 sitesVendors: Frequentis (2)
- ŘLP ČR 2 sitesVendors: not named
- CAAC 2 sitesVendors: not named
- HungaroControl 1 sitesVendors: Indra (1)
- Naviair 1 sitesVendors: Frequentis (1)
- Oro Navigacija 1 sitesVendors: Saab (1)
- PANSA 1 sitesVendors: Saab (1)
- ENAV 1 sitesVendors: not named
- skyguide 1 sitesVendors: not named
- NAV CANADA 1 sitesVendors: Kongsberg (1)
- DECEA 1 sitesVendors: Frequentis (1)
- SANS 1 sitesVendors: Indra (1)
- CAAS 1 sitesVendors: Searidge (1)
- Japan Civil Aviation Bureau 1 sitesVendors: OKI (1)
- Qatar Civil Aviation Authority 1 sitesVendors: Searidge (1)
Programs
- NINOX (Avinor Remote Towers) 24 sitesAvinor's programme with Kongsberg, signed 2015. 14 airports run from Bodø as of April 2025, seven more planned.
- LFV remote tower services 11 sitesLFV's centres at Sundsvall and Stockholm.
- DFS remote tower centres 7 sitesLeipzig since 2018 and Braunschweig since 2024.
- Fintraffic multi-airport centre 8 sitesSeven airports from a Vantaa centre, announced June 2026.
- SESAR remote tower demonstrations 3 sitesEU research programme that co-funded multiple remote tower demonstrations.
- NAV CANADA DAATS 1 sitesDigital Aerodrome Air Traffic Services programme; Kingston first.
- FAA remote tower systems program 6 sitesSystem design approval path, testing at the Technical Center, and eligibility under the Contract Tower Program.
- LVNL Centralised Base (remote towers) 3 sitesGroningen and Maastricht Aachen to be run from Schiphol-Oost. Postponed since 2022 per LVNL's 2025 annual report.
- skeyes digital towers (Namur) 4 sitesNamur centre for Liège and Charleroi, operational in 2027; test centre opened May 2024.
- Airservices Digital Aerodrome Services 4 sitesAlice Springs trial (2011 to 2012), Sydney prototype (2019), and the Western Sydney digital tower.
Regulators named in sources
- CASA 2 sitesWestern Sydney International Airport, Airservices Digital Aerodrome Service centre, Eastern Creek
- CAAC 2 sitesChizhou Jiuhuashan Airport (remote tower trial), Xinyuan Nalati Airport (remote tower trial)
- Norwegian CAA 1 sitesBodø Remote Towers Centre
- AESA (Spain) 1 sitesVigo Airport
- Transport Canada 1 sitesKingston Airport (Ontario)
- JCAB 1 sitesAmami Airport (remote aerodrome air-ground service)
- Qatar CAA 1 sitesHamad International Airport (hybrid virtual tower)
Latest approvals
- 2 Oct 2026Colorado Aeronautical Board hears that guidance was issued and design approval granted; award timing is described as uncertain. citizenportal.ai
- 28 Sep 2026FAA Office of Airports issues PGL 26-06 on AIP funding of Digital Airport Traffic Control Tower systems. It does not grant operational approval. faa.gov
- 18 Sep 2026FY27 Contract Tower Competitive Grant Program opens; digital towers are eligible if FAA-certified. Applications close 19 October 2026. faa.gov
- 4 Sep 2026FAA 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. faa.gov
- 2 Sep 2026FAA grants system design approval to Frequentis USA, with conditions (as stated in AIP Program Guidance Letter 26-06). faa.gov
- 27 Aug 2025AIN: FAA tests systems at the Technical Center and selected RTX-Frequentis for design approval evaluation; no approvals issued yet. backend.ainonline.com
- 6 Feb 2025FAA page states remote tower systems are not currently approved for use in the NAS and lists no system design approval. faa.gov
- 16 May 2024FAA 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. reason.org
- Oct 2014Operational approval Örnsköldsvik Airport
An approval on this site is only what a source says was approved, by whom and when. A design approval is not an operational authorization.