{"id":22124193,"date":"2026-09-13T20:36:52","date_gmt":"2026-09-13T18:36:52","guid":{"rendered":"https:\/\/migflug.com\/afterburner\/switzerland-ils-removal-gps-spoofing-bern-suspended-2026\/"},"modified":"2026-09-13T20:37:22","modified_gmt":"2026-09-13T18:37:22","slug":"switzerland-ils-removal-gps-spoofing-bern-suspended-2026","status":"publish","type":"post","link":"https:\/\/migflug.com\/afterburner\/it\/switzerland-ils-removal-gps-spoofing-bern-suspended-2026\/","title":{"rendered":"Switzerland Is Scrapping ILS as GPS Spoofing Hits Crews Daily"},"content":{"rendered":"<style>.et_pb_title_container h1.entry-title { padding-top: 40px !important; }<\/style>\r\n<p>Swiss crews meet GPS spoofing every day. Switzerland is nonetheless switching its airports away from the ground-based landing system that spoofing cannot touch, and doing it to save money. That plan has just started to unravel.<\/p>\r\n<p>The <em>Tages-Anzeiger<\/em> reported today that the federal government has suspended the planned removal of the Instrument Landing System at Bern-Belp, after Europe&rsquo;s aviation safety regulator began advising national authorities to keep ILS available for emergencies. The Swiss pilots&rsquo; union has been arguing exactly that for months.<\/p>\r\n<p>The underlying question is a good one, and it is not only Swiss: what do you land on when the satellites lie to you?<\/p>\r\n\r\n<div style=\"background:#f5f5f5;padding:20px 22px;margin:24px 0\"><p style=\"margin:0 0 10px;font-weight:700;font-size:17px\">Quick Facts<\/p><table style=\"width:100%;border-collapse:collapse;font-size:15px\"><tr><td style=\"padding:5px 12px 5px 0;color:#666;vertical-align:top;white-space:nowrap\"><strong>What is being removed<\/strong><\/td><td style=\"padding:5px 0\">Instrument Landing System (ILS) ground stations at smaller Swiss airports, replaced by GPS-based approaches by 2030<\/td><\/tr><tr><td style=\"padding:5px 12px 5px 0;color:#666;vertical-align:top;white-space:nowrap\"><strong>Already gone<\/strong><\/td><td style=\"padding:5px 0\">La Chaux-de-Fonds, no ILS since 2021<\/td><\/tr><tr><td style=\"padding:5px 12px 5px 0;color:#666;vertical-align:top;white-space:nowrap\"><strong>Still planned<\/strong><\/td><td style=\"padding:5px 0\">Lugano, where Milan is available as an alternate<\/td><\/tr><tr><td style=\"padding:5px 12px 5px 0;color:#666;vertical-align:top;white-space:nowrap\"><strong>Suspended<\/strong><\/td><td style=\"padding:5px 0\">Bern-Belp, after the federal office reconsidered<\/td><\/tr><tr><td style=\"padding:5px 12px 5px 0;color:#666;vertical-align:top;white-space:nowrap\"><strong>Unaffected<\/strong><\/td><td style=\"padding:5px 0\">Zurich and Geneva keep their ILS<\/td><\/tr><tr><td style=\"padding:5px 12px 5px 0;color:#666;vertical-align:top;white-space:nowrap\"><strong>Why remove it<\/strong><\/td><td style=\"padding:5px 0\">High acquisition and operating costs, according to the authorities<\/td><\/tr><tr><td style=\"padding:5px 12px 5px 0;color:#666;vertical-align:top;white-space:nowrap\"><strong>The objection<\/strong><\/td><td style=\"padding:5px 0\">GPS approaches can be spoofed; ILS cannot be spoofed the same way<\/td><\/tr><tr><td style=\"padding:5px 12px 5px 0;color:#666;vertical-align:top;white-space:nowrap\"><strong>EASA position<\/strong><\/td><td style=\"padding:5px 0\">Recently began advising national authorities to keep ILS operational for emergencies<\/td><\/tr><\/table><\/div>\r\n\r\n\r\n<h2 style=\"padding-top:22px\">What ILS does, and why it is hard to fake<\/h2>\r\n<p>When fog closes in and the crew cannot see the runway, the Instrument Landing System tells them where it is. Two ground transmitters beside the runway send directional radio beams: the localiser gives left and right alignment with the centreline, the glide slope gives the descent angle. The aircraft receiver compares the beams and drives the needles, or the autopilot, down to the threshold.<\/p>\r\n<p>The important property is physical. ILS is short-range, line-of-sight and tied to a transmitter sitting on the airfield you are landing at. To feed an aircraft a false ILS signal you would need a transmitter close to that runway, radiating on the right frequency, in a country&rsquo;s regulated airspace. It is not impossible, but it is a completely different proposition from spoofing a satellite constellation.<\/p>\r\n\r\n<figure class=\"wp-block-image size-large\" style=\"margin:0 0 24px;width:100%\"><img decoding=\"async\" class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" width=\"1024\" src=\"https:\/\/migflug.com\/afterburner\/wp-content\/uploads\/sites\/4\/2026\/09\/ils-glide-slope-antenna-schiphol-mist.jpg\" alt=\"ILS glide slope antenna in mist at Amsterdam Schiphol\" style=\"width:100%;height:auto;max-width:100%;display:block\"><figcaption style=\"font-size:13px;color:#777;text-align:center;margin-top:6px;font-style:italic\">An ILS glide slope antenna beside runway 18R at Schiphol, in exactly the visibility the system exists for. Photo: Wikimedia Commons, CC BY-SA 4.0<\/figcaption><\/figure>\r\n\r\n\r\n<p>Satellite navigation is the opposite. GNSS signals arrive from 20,000 kilometres up and are extraordinarily weak by the time they reach an aircraft. Overpowering them from the ground is cheap, and it can be done from far outside the airspace being affected.<\/p>\r\n<h2 style=\"padding-top:22px\">Jamming is noisy; spoofing lies<\/h2>\r\n<p>Two things are usually lumped together. Jamming drowns the satellite signal, and the crew loses GPS. That is disruptive, but the failure is obvious: the box says it has no position.<\/p>\r\n<p>Spoofing is the dangerous one. The attacker transmits counterfeit satellite signals, and the aircraft computes a position that is confidently, precisely wrong. Nothing announces a failure. As <em>Tages-Anzeiger<\/em> put it, pilots believe themselves to be on a different course from the one they are actually flying.<\/p>\r\n\r\n<div style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:24px 0\"><iframe class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" src=\"https:\/\/www.youtube.com\/embed\/wm9B-oofY9g\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0\" allowfullscreen><\/iframe><\/div>\r\n\r\n\r\n<p>This is not a distant problem for Swiss operators. Dominik J&auml;ggi, then head of Swiss&rsquo;s long-haul fleet, told SRF in 2024 that GPS spoofing occurs daily on Swiss routes, for example over the Middle East. What has changed since is the geography: interference that was concentrated around conflict zones now shows up routinely over the Baltic, with NDR research tracing the origins to nearby Russia. EASA has recorded a marked increase since the start of the Russian war, and its own website lists roughly 40 cases in the past seven days alone, in airspace including Ankara, Warsaw and Sofia.<\/p>\r\n<p>Our earlier reporting put numbers on the trend: <a href=\"https:\/\/migflug.com\/afterburner\/gps-spoofing-up-193-pilots-are-flying-blind\/\">IATA logged a 193 per cent rise in spoofing and 67 per cent in jamming between 2023 and 2025<\/a>.<\/p>\r\n<h2 style=\"padding-top:22px\">The Swiss plan, and the pilots&rsquo; objection<\/h2>\r\n<p>Switzerland is replacing ground-based landing systems with GPS-based navigation at several airports by 2030. La Chaux-de-Fonds has been without ILS since 2021. Lugano is slated to lose it. Bern-Belp, which handles scheduled services, was on the same list until recently. Skyguide, which is carrying out the change on federal instruction, describes the replacement as a cheaper, stable and reliable alternative, and notes that no interference incidents have so far been registered in Switzerland.<\/p>\r\n<p>Aeropers, the Swiss pilots&rsquo; union, does not agree.<\/p>\r\n\r\n<div style=\"background:#f8f9fa;border-left:4px solid #d32f2f;padding:20px 22px;margin:18px 0 24px;font-size:16px;line-height:1.7\"><em>&ldquo;We consider the dismantling a mistake and a disadvantage for flight safety.&rdquo;<\/em><div style=\"margin-top:10px;font-size:14px;color:#555\"><strong>Thomas Steffen<\/strong> &mdash; Swiss pilot and spokesman for the Swiss pilots&rsquo; union Aeropers, to Tages-Anzeiger<\/div><\/div>\r\n\r\n\r\n<p>Skyguide&rsquo;s answer to interference is procedural: if the satellite approach is unusable, the crew lands visually or diverts to a predefined alternate. Steffen&rsquo;s objection is that this is precisely the case where the procedure fails. In bad weather, he told the paper, a reliable system matters most, because correcting visually is either impossible or possible only very late.<\/p>\r\n\r\n<figure class=\"wp-block-image size-large\" style=\"margin:0 0 24px;width:100%\"><img decoding=\"async\" class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" width=\"1024\" src=\"https:\/\/migflug.com\/afterburner\/wp-content\/uploads\/sites\/4\/2026\/09\/ils-equipment-installation-technician.jpg\" alt=\"Technician installing Instrument Landing System equipment\" style=\"width:100%;height:auto;max-width:100%;display:block\"><figcaption style=\"font-size:13px;color:#777;text-align:center;margin-top:6px;font-style:italic\">ILS is expensive to buy and expensive to keep calibrated, which is the whole argument for removing it. US Navy photo \/ public domain<\/figcaption><\/figure>\r\n\r\n\r\n<h2 style=\"padding-top:22px\">The regulator moves, and Bern is reprieved<\/h2>\r\n<p>The risk has now reached European regulators. EASA recently began recommending that national authorities keep ILS operational for emergencies, and in Switzerland that had immediate consequences: the federal government suspended the planned removal at Bern.<\/p>\r\n<p>The Federal Office of Civil Aviation told the <em>Tages-Anzeiger<\/em> that the ILS installations at Zurich and Geneva will be maintained, and explained the Bern reprieve on the grounds that its ILS is now the last one at a regional airport in the Mittelland.<\/p>\r\n\r\n<div style=\"background:#f8f9fa;border-left:4px solid #1565c0;padding:20px 22px;margin:18px 0 24px;font-size:16px;line-height:1.7\"><em>&ldquo;We are aware of the concerns of airspace users. In the event of GPS interference, the ILS in Bern plays a certain role at regional and national level.&rdquo;<\/em><div style=\"margin-top:10px;font-size:14px;color:#555\"><strong>Swiss Federal Office of Civil Aviation<\/strong> &mdash; Statement to Tages-Anzeiger<\/div><\/div>\r\n\r\n\r\n<p>Read plainly, that is an admission that pilots need Bern as a usable diversion airfield when satellite navigation fails. Lugano gets no such reprieve, because Milan is close enough to serve as the alternate, so its removal proceeds as planned.<\/p>\r\n<h2 style=\"padding-top:22px\">The wider argument about backups<\/h2>\r\n<p>The Swiss case is a small instance of a decision facing every air navigation service provider. Ground-based aids are costly, individually maintained, and mostly redundant on a normal day. Satellite navigation is cheaper, more flexible and enables approaches at airfields that could never justify an ILS. On efficiency grounds the case for switching is strong, and it was made long before electronic warfare became a routine feature of European airspace.<\/p>\r\n<p>What has changed is the threat. A backup system is worth exactly what it saves you on the worst day, and the worst day now looks different from how it looked in 2015. That is why the industry is also pouring money into navigation that needs no satellites at all, from <a href=\"https:\/\/migflug.com\/afterburner\/diu-honeywell-magnav-gps-free-flight-test-2026\/\">magnetic-anomaly navigation flown for four hours with GPS switched off<\/a> to <a href=\"https:\/\/migflug.com\/afterburner\/northrop-lumberjack-aqnav-quantum-magnetic-navigation-2026\/\">quantum magnetometers on uncrewed aircraft<\/a>.<\/p>\r\n<p>Those are years from routine airline service. The ILS beside the runway works today. The question Switzerland has just partly answered is whether saving its running costs is worth giving that up while the jamming maps keep filling in.<\/p>\r\n\r\n<style>.mfq{margin:34px 0 8px}.mfq h2{font:26px\/1.3 \"Gilroy semiBold\",Helvetica,Arial,sans-serif;color:#0d1117;padding-top:22px;margin:0 0 6px}.mfq .qa details{border-top:1px solid #5C91FF;margin:0;padding:0}.mfq .qa details:last-of-type{border-bottom:1px solid #e2e7ee}.mfq .qa summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:22px 26px;font:18px\/1.7 \"Gilroy semiBold\",Helvetica,Arial,sans-serif;color:#0d1117}.mfq .qa summary::-webkit-details-marker{display:none}.mfq .qa summary::after{content:\"+\";font:24px Helvetica,sans-serif;color:#3568e0;flex:0 0 auto}.mfq .qa details[open] summary::after{content:\"\\2013\"}.mfq .qa details:hover summary{color:#3568e0}.mfq .qa .a{font:16px\/1.7 \"Gilroy regular\",Helvetica,Arial,sans-serif;color:#454e5e;padding:0 26px 24px}.mfq .qa .a a{color:#3568e0}@media(max-width:680px){.mfq .qa summary{padding:18px 14px;font-size:17px}.mfq .qa .a{padding:0 14px 20px}}<\/style>\r\n\r\n\r\n<section class=\"mfq\"><h2>Frequently Asked Questions<\/h2><div class=\"qa\"><details open><summary>What is an Instrument Landing System (ILS)?<\/summary><div class=\"a\">An ILS is a ground-based radio navigation system that guides aircraft down to a runway in poor visibility. Two transmitters beside the runway send directional beams: the localiser provides alignment with the runway centreline and the glide slope provides the correct descent angle. The aircraft receiver interprets these beams and drives the cockpit indications or the autopilot down to the threshold.<\/div><\/details><details><summary>Why is Switzerland removing ILS from some airports?<\/summary><div class=\"a\">The stated reason is cost. ILS installations are expensive to buy and to operate, and Switzerland is replacing them with GPS-based approaches at several airports by 2030. La Chaux-de-Fonds has had no ILS since 2021 and Lugano is scheduled to lose its system. Zurich and Geneva keep theirs.<\/div><\/details><details><summary>Has the removal been stopped?<\/summary><div class=\"a\">Partly. According to the Tages-Anzeiger, the Swiss federal government has suspended the planned removal of the ILS at Bern-Belp, after EASA began recommending that national authorities keep ILS available for emergencies. The Federal Office of Civil Aviation said the Bern system is now the last at a regional airport in the Mittelland and plays a role during GPS interference. The removal at Lugano is still going ahead because Milan can serve as an alternate.<\/div><\/details><details><summary>What is the difference between GPS jamming and GPS spoofing?<\/summary><div class=\"a\">Jamming overwhelms satellite signals so the aircraft simply loses its GPS position, which is disruptive but obvious. Spoofing transmits counterfeit satellite signals so that the aircraft computes a position that is wrong but appears valid, meaning the crew can believe they are somewhere they are not. Spoofing is considered the more dangerous of the two because nothing announces a failure.<\/div><\/details><details><summary>Can an ILS signal be spoofed like GPS?<\/summary><div class=\"a\">Not in the same way. ILS is short-range and line-of-sight, and depends on transmitters physically located at the airport being used. Faking it would require a transmitter close to that runway radiating on the correct frequency inside regulated airspace, which is a far harder proposition than counterfeiting weak satellite signals that travel from orbit and can be overpowered cheaply from the ground.<\/div><\/details><details><summary>How common is GPS interference in European airspace?<\/summary><div class=\"a\">It has risen sharply since the start of the war in Ukraine. EASA records a marked increase in signal manipulation and lists roughly 40 cases over a recent seven-day period, in airspace including Ankara, Warsaw and Sofia. Interference is now routine over the Baltic as well as the Middle East, and IATA recorded a 193 per cent rise in spoofing between 2023 and 2025.<\/div><\/details><\/div><\/section>\r\n\r\n\r\n\r\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What is an Instrument Landing System (ILS)?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"An ILS is a ground-based radio navigation system that guides aircraft down to a runway in poor visibility. Two transmitters beside the runway send directional beams: the localiser provides alignment with the runway centreline and the glide slope provides the correct descent angle. The aircraft receiver interprets these beams and drives the cockpit indications or the autopilot down to the threshold.\"}},{\"@type\":\"Question\",\"name\":\"Why is Switzerland removing ILS from some airports?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The stated reason is cost. ILS installations are expensive to buy and to operate, and Switzerland is replacing them with GPS-based approaches at several airports by 2030. La Chaux-de-Fonds has had no ILS since 2021 and Lugano is scheduled to lose its system. Zurich and Geneva keep theirs.\"}},{\"@type\":\"Question\",\"name\":\"Has the removal been stopped?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Partly. According to the Tages-Anzeiger, the Swiss federal government has suspended the planned removal of the ILS at Bern-Belp, after EASA began recommending that national authorities keep ILS available for emergencies. The Federal Office of Civil Aviation said the Bern system is now the last at a regional airport in the Mittelland and plays a role during GPS interference. The removal at Lugano is still going ahead because Milan can serve as an alternate.\"}},{\"@type\":\"Question\",\"name\":\"What is the difference between GPS jamming and GPS spoofing?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Jamming overwhelms satellite signals so the aircraft simply loses its GPS position, which is disruptive but obvious. Spoofing transmits counterfeit satellite signals so that the aircraft computes a position that is wrong but appears valid, meaning the crew can believe they are somewhere they are not. Spoofing is considered the more dangerous of the two because nothing announces a failure.\"}},{\"@type\":\"Question\",\"name\":\"Can an ILS signal be spoofed like GPS?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Not in the same way. ILS is short-range and line-of-sight, and depends on transmitters physically located at the airport being used. Faking it would require a transmitter close to that runway radiating on the correct frequency inside regulated airspace, which is a far harder proposition than counterfeiting weak satellite signals that travel from orbit and can be overpowered cheaply from the ground.\"}},{\"@type\":\"Question\",\"name\":\"How common is GPS interference in European airspace?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It has risen sharply since the start of the war in Ukraine. EASA records a marked increase in signal manipulation and lists roughly 40 cases over a recent seven-day period, in airspace including Ankara, Warsaw and Sofia. Interference is now routine over the Baltic as well as the Middle East, and IATA recorded a 193 per cent rise in spoofing between 2023 and 2025.\"}}]}<\/script><p style=\"font-size:14px;color:#777;font-style:italic;margin-top:28px\">Sources: Tages-Anzeiger (Christopher Gilb); EASA Safety Information Bulletin on GNSS interference; IATA; SRF; NDR; Skyguide; Swiss Federal Office of Civil Aviation; Afterburner reporting<\/p>\r\n\r\n\r\n<div style=\"background:#f0f4ff;border-left:4px solid #5C91FF;padding:16px 20px;margin:32px 0 8px\"><p style=\"margin:0 0 8px;font-weight:600;color:#333\">Related Posts<\/p><p style=\"margin:4px 0\"><a href=\"https:\/\/migflug.com\/afterburner\/gps-spoofing-up-193-pilots-are-flying-blind\/\">GPS Spoofing Up 193% &mdash; Pilots Are Flying Blind<\/a><\/p><p style=\"margin:4px 0\"><a href=\"https:\/\/migflug.com\/afterburner\/diu-honeywell-magnav-gps-free-flight-test-2026\/\">GPS Off for Four Hours: The Jet That Navigated by Rock<\/a><\/p><p style=\"margin:4px 0\"><a href=\"https:\/\/migflug.com\/afterburner\/northrop-lumberjack-aqnav-quantum-magnetic-navigation-2026\/\">Northrop Lumberjack Drone Flies GPS-Free on Quantum Navigation<\/a><\/p><p style=\"margin:4px 0\"><a href=\"https:\/\/migflug.com\/afterburner\/icao-conflict-zone-warning-civil-aircraft-2026\/\">ICAO Warns 193 States: Airliners Are Being Targeted Again<\/a><\/p><\/div>\r\n\r\n","protected":false},"excerpt":{"rendered":"<p>Swiss crews meet GPS spoofing daily, yet Switzerland is replacing ground-based ILS with satellite approaches to save money. After an EASA recommendation, the removal at Bern has been suspended.<\/p>","protected":false},"author":25,"featured_media":22123712,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"editor_notices":[],"footnotes":""},"categories":[665,670],"tags":[],"class_list":["post-22124193","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aviation-world","category-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Switzerland Is Scrapping ILS as GPS Spoofing Hits Crews Daily | MiGFlug<\/title>\n<meta name=\"description\" content=\"Swiss crews face GPS spoofing every day, yet Switzerland is replacing ground-based ILS with satellite approaches. 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