{"id":7042158,"date":"2026-08-19T22:10:32","date_gmt":"2026-08-19T22:10:32","guid":{"rendered":"https:\/\/peraltafinancing.com\/airbus\/north-atlantic-airspace-scale-contrail-trial-underway\/"},"modified":"2026-08-19T22:10:32","modified_gmt":"2026-08-19T22:10:32","slug":"north-atlantic-airspace-scale-contrail-trial-underway","status":"publish","type":"post","link":"https:\/\/fivemor.com\/?p=7042158","title":{"rendered":"North Atlantic Airspace-Scale Contrail Trial Underway"},"content":{"rendered":"


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Free for nonsubscribers\u00a0<\/strong><\/p>\n

By Charlotte Bailey\u00a0<\/strong><\/p>\n

Aug. 18, 2026. \u00a9 Leeham News\/AIN:\u00a0<\/strong>A UK-based consortium has launched what it believes is the world\u2019s first oceanic airspace-scale trial aimed at reducing the climate impact of aviation contrails. Initiated on August 18, the 30-month project will run two operational trials across the eastern North Atlantic\u2019s Shanwick airspace, during which selected commercial flights will be redirected above or below particular \u201ccontrail hotspot\u201d areas.<\/p>\n

The Operation Blue Skies initiative will use existing air traffic control procedures to deviate aircraft mid-flight by a few thousand feet: directing them to climb or descend to avoid what Google\u2019s technical project lead Paul Hodgson described as \u201cpancake-shaped contrail regions.\u201d This will occur during active trial days, around 30 in total, across two successive winters between November and February.<\/p>\n

\"\"<\/a><\/p>\n

Flights travelling through the Shanwick Oceanic region, part of the eastern Atlantic airspace, may be asked to climb or descend to avoid airspace prone to contrail formations. \u00a9 Google<\/strong><\/p>\n<\/div>\n

The \u00a35 million ($6.7 million) study includes \u00a32.65 million from the UK\u2019s Department of Transport via consortium lead the Aerospace Technology Institute (ATI). Consortium partners include UK air traffic management provider NATS, the UK Met Office, contrails.org, with support from academic partners Imperial College London and the University of Cambridge. Google UK, which is running the project, stated it is contributing around \u00a31.4 million worth of assistance through \u201cAI research expertise, engineering time, and high-performance computing infrastructure.\u201d<\/p>\n

Industry analysis estimates that this particular portion of airspace accounts for some 5% of the negative environmental effects attributed to contrails worldwide. These form when water vapor in engine exhaust gases condense and freeze in the upper atmosphere, trapping heat. Though previous studies have seen airlines file specific flight plans to pre-emptively avoid areas at high risk of contrails, this is the first time an air navigation service provider\u2014in this case the UK\u2019s NATS\u2014has stepped in to oversee the entire initiative.<\/p>\n

Integrating With Real-World Operations<\/strong><\/h5>\n

In practical terms, \u201cair traffic controllers will deal with the ice-supersaturated regions where they are, and if it is possible, safe and operationally feasible to move the aircraft to avoid the regions, they will do that,\u201d explained NATS sustainability director Ian Jopson. Although initial conversations between the air navigation service provider had suggested skirting around the side of these \u201claterally wide, vertically thin\u201d regions, the study decided that \u201ctypically, and certainly in other trials at the airline level, the normal way of doing this tends to be an altitude-based solution.\u201d<\/p>\n

Instructions to climb or descend will be informed by enhanced AI-driven insight, developed by Google. Technical lead for the project Paul Hodgson explained that satellite imagery and ADS-B data will then create an AI-based contrail forecast \u201cthat ingests weather data on top of those observations.\u201d<\/p>\n

While controllers will be trained in the \u201cexact nature\u201d of the trial, Jopson stressed that the adoption of existing altitude-adjustment procedures will ensure \u201cbusiness as usual\u2026 for the operators on the North Atlantic.\u201d Crews themselves will not be told the reason for a deviation: a procedure NATS already employs \u201con a fairly regular basis in all of the airspace [it] controls.\u201d<\/p>\n

Jopson also stated that a \u201cfull deviation\u201d of up to a few thousand feet in altitude could equate to just hundreds of kilograms of additional fuel burn, a penalty that could save tons or even tens of tons of carbon dioxide overall. \u201cThe ratio of contrail impact to CO2 impact is at least an order of magnitude,\u201d he suggested, adding that any deviation made would have a negligible impact on punctuality.<\/p>\n

Around 200 airlines are expected to use Shanwick airspace during the trial periods. Although no specific airline has been included within the consortium for risk of potential bias, Google maintained it has been \u201cdoing a lot of engagement, particularly with the airlines with a larger share [of flight routes] upfront,\u201d which it expects to continue throughout the trial.<\/p>\n

Though the partners acknowledged that hundreds of flights would need to be deviated to obtain a high level of statistical significance, ATI CEO Gary Elliot stated he is confident the study will generate \u201creal-world evidence at an unprecedented scale\u201d with which to inform future potential policy decisions.<\/p>\n

Related<\/em><\/h3>\n<\/p>\n

\n<\/div>\n\n","protected":false},"excerpt":{"rendered":"

Free for nonsubscribers\u00a0 By Charlotte Bailey\u00a0 Aug. 18, 2026. \u00a9 Leeham News\/AIN:\u00a0A UK-based consortium has launched what it believes is the world\u2019s first oceanic airspace-scale trial aimed at reducing the climate impact of aviation contrails. Initiated on August 18, the 30-month project will run two operational trials across the eastern North Atlantic\u2019s Shanwick airspace, during […]<\/p>\n","protected":false},"author":1,"featured_media":7042159,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12027],"tags":[24342,21662,204579,30334,204580,16627,843,204577,13623,204578,34424],"dealstore":[],"offerexpiration":[],"class_list":["post-7042158","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-airbus","tag-ads-b","tag-airspace","tag-airspacescale","tag-atlantic","tag-contrail","tag-contrails","tag-north","tag-north-atlantic","tag-trial","tag-uk-department-of-transport","tag-underway"],"yoast_head":"\nNorth Atlantic Airspace-Scale Contrail Trial Underway - Som2ny Network<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fivemor.com\/?p=7042158\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"North Atlantic Airspace-Scale Contrail Trial Underway - Som2ny Network\" \/>\n<meta property=\"og:description\" content=\"Free for nonsubscribers\u00a0 By Charlotte Bailey\u00a0 Aug. 18, 2026. \u00a9 Leeham News\/AIN:\u00a0A UK-based consortium has launched what it believes is the world\u2019s first oceanic airspace-scale trial aimed at reducing the climate impact of aviation contrails. 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