{"id":14868,"date":"2018-02-23T20:38:52","date_gmt":"2018-02-23T20:38:52","guid":{"rendered":"https:\/\/one.sightlinemg.com\/defensenews\/uncategorized\/2018\/02\/23\/air-forces-grounded-t-6-trainers-could-fly-again-next-week\/"},"modified":"2026-08-07T20:16:47","modified_gmt":"2026-08-07T20:16:47","slug":"air-forces-grounded-t-6-trainers-could-fly-again-next-week","status":"publish","type":"post","link":"https:\/\/one.sightlinemg.com\/defensenews\/air\/2018\/02\/23\/air-forces-grounded-t-6-trainers-could-fly-again-next-week\/","title":{"rendered":"Air Force\u2019s grounded T-6 trainers could fly again next week"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">The Air Force\u2019s <a href=\"https:\/\/www.airforcetimes.com\/news\/your-air-force\/2018\/02\/01\/13-hypoxia-like-events-in-one-week-led-to-t-6-fleet-grounding\/\" title=\"\" class=\"\" target=\"_blank\">T-6 trainer<\/a> \u2014 which was grounded at the beginning of February after a rash of hypoxia incidents \u2014 could resume flights as early as Monday.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Lt. Gen. Steven Kwast, head of <a href=\"https:\/\/www.airforcetimes.com\/news\/your-air-force\/2017\/11\/30\/t-6as-remain-grounded-at-vance-air-force-base-after-hypoxia-scares\/\" title=\"\" class=\"\" target=\"_blank\">Air Education and Training Command<\/a>, said during a roundtable with reporters Thursday at the Air Force Association\u2019s Air Warfare Symposium that they could return to flying status, with restrictions, next week if everything goes according to plan.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kwast\u2019s comments were first reported by <a href=\"http:\/\/aviationweek.com\/awindefense\/usaf-hopes-lift-t-6-grounding-toxic-air-still-problem\" title=\"\" class=\"\" target=\"_blank\">Aviation Week<\/a> and confirmed by AETC.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">AETC spokesman Master Sgt. Joshua Strang said in an email that more tests need to be done on the <a href=\"https:\/\/www.airforcetimes.com\/news\/your-air-force\/2018\/02\/01\/air-force-grounds-all-t-6-flights-after-multiple-hypoxia-like-problems\/\" title=\"\" class=\"\" target=\"_blank\">trainers<\/a> before they can make a final decision on whether to fly them again.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The 19th Air Force\u2019s fleet of T-6 Texans were grounded Feb. 1 after 13 instances of hypoxia or other unexplained symptoms in a single week in January. Of those, 10 occurred at Columbus Air Force Base in Mississippi, two occurred at Vance Air Force Base in Oklahoma, and one happened at Sheppard Air Force Base in Texas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vance also suspended its T-6 flights for nearly three weeks last November and December after a handful of hypoxia or hypoxia-like events. But investigators couldn&#8217;t pin down the cause of the problem, and resumed flights Dec. 5.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Grounding the entire T-6 fleet \u2014 which 19th Air Force commander Maj. Gen. Patrick Doherty called \u201cour primary workhorse\u201d for training new pilots \u2014 costs the Air Force 700 sorties a day. This is particularly a problem now, since the Air Force is trying to train more new pilots as part of an effort to solve an alarming pilot shortfall across the service.<\/p>\n\n\n\t<aside class=\"smg-interstitial-link wp-block-smg-interstitial-link\">\n\t\t<a href=\"https:\/\/one.sightlinemg.com\/airforcetimes\/news\/your-air-force\/2018\/02\/06\/lawmaker-blasts-air-force-general-over-unsolved-hypoxia-problem\/\" class=\"smg-interstitial-link__inner\">\n\t\t\t\t\t\t\t<div class=\"smg-interstitial-link__media\">\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"195\" src=\"https:\/\/one.sightlinemg.com\/wp-content\/uploads\/2026\/08\/t-6a-texan.JPG.jpg?w=300\" class=\"smg-interstitial-link__image wp-post-image\" alt=\"\" \/>\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"smg-interstitial-link__content\">\n\t\t\t\t<span class=\"smg-interstitial-link__kicker\">Related<\/span>\n\t\t\t\t<h3 class=\"smg-interstitial-link__title\">Lawmaker blasts Air Force general over unsolved hypoxia problem<\/h3>\n\t\t\t\t\t\t\t\t\t<p class=\"smg-interstitial-link__excerpt\">The chairman of a House Armed Services subcommittee blasted the Air Force\u2019s deputy chief of staff for operations Tuesday over the service\u2019s inability to get to the bottom of the hypoxia problem plaguing pilots.<\/p>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/a>\n\t<\/aside>\n\t\n\n\n<p class=\"wp-block-paragraph\">In Thursday\u2019s roundtable, according to a transcript provided by AETC, Kwast said investigators are finding that some pieces of the onboard oxygen generation system, or OBOGS, might need to be maintained or replaced more frequently.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kwast also said that pilots could resume flights in the T-6, as long as they can turn off the OBOGS system and breathe cockpit air. Air Force and NASA experts have been measuring ambient air in T-6 cockpits and found that it\u2019s clean and breathable, he said.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Resuming flights, as long as pilots can breathe ambient air, will give scientists and engineers more time to find the root causes of the problem, Kwast said.<\/p>\n\n\n\n\n\n<p class=\"wp-block-paragraph\">\u201cWe don&#8217;t know yet\u201d what is really causing the problem, Kwast said. \u201cWe have indicators, but to jump to that conclusion would be to not allow the scientists and engineers the time to really test things properly. But we have gone in and we have done some testing on certain components, and we\u2019ve found some of them that are failing more often than they should, and that\u2019s an indication that there are some issues there.\u201d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kwast also said the Air Force has noticed some shutoff valve failures, and other issues with the plenum, or reservoir, of the oxygen system.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The Air Force is also consulting with the Navy to find out what they&#8217;ve learned from their own hypoxia problems.<\/p>\n\n\n\t<aside class=\"smg-interstitial-link wp-block-smg-interstitial-link\">\n\t\t<a href=\"https:\/\/one.sightlinemg.com\/defensenews\/breaking-news\/2018\/02\/23\/flying-blind-and-freezing-navy-investigating-terrifying-ea-18g-growler-flight\/\" class=\"smg-interstitial-link__inner\">\n\t\t\t\t\t\t\t<div class=\"smg-interstitial-link__media\">\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"214\" src=\"https:\/\/one.sightlinemg.com\/wp-content\/uploads\/2026\/08\/growler.JPG.jpg?w=300\" class=\"smg-interstitial-link__image wp-post-image\" alt=\"\" \/>\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"smg-interstitial-link__content\">\n\t\t\t\t<span class=\"smg-interstitial-link__kicker\">Related<\/span>\n\t\t\t\t<h3 class=\"smg-interstitial-link__title\">Flying blind and freezing: Navy investigating terrifying EA-18G Growler flight<\/h3>\n\t\t\t\t\t\t\t\t\t<p class=\"smg-interstitial-link__excerpt\">By the time the flight was over, two elite pilots with Air Test and Evaluation Squadron Nine were being rushed for medical treatment, and the Navy was dealing with yet another failure of the EA-18G Growler\u2019s environmental control system.<\/p>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/a>\n\t<\/aside>\n\t\n\n\n<p class=\"wp-block-paragraph\">But Doherty said the Air Force isn&#8217;t going to do anything that puts its instructor pilots and students at risk.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cThe priority of our people and our air crews [is to] make sure they have a safe flying environment,\u201d Doherty said. \u201cThats what\u2019s driving it. We\u2019re not worried about timelines. We\u2019re not worried about a logjam of pilot candidates that are stacking up. We\u2019re worried about taking care of our primary number one weapon system, [which] is our people.\u201d<br><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Air Force\u2019s T-6 trainer \u2014 which was grounded at the beginning of February after a rash of hypoxia incidents \u2014 could resume flights as early as Monday.<\/p>\n","protected":false},"author":7,"featured_media":28658,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_yoast_wpseo_meta-robots-noindex":"","_yoast_wpseo_meta-robots-nofollow":"","_yoast_wpseo_canonical":"","_acf":"","_yoast_wpseo_primary_category":7,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","_smg_distribution_targets":[]},"categories":[7,160,36],"tags":[],"coauthors":[3412],"class_list":["post-14868","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-air","category-daily-news-roundup","category-newsletters"],"acf":{"subheadline":"","legacy_arc_id":"SIGNHJCZPBEDDLQY6R7MY6W43Y","arc_canonical_url":"\/news\/your-air-force\/2018\/02\/23\/air-forces-grounded-t-6-trainers-could-fly-again-next-week\/","remove_feature_photo":false,"is_sponsored":false,"subtype":"","redirect_url":"","disable_inline_ads":false,"native_logo_pretext":"Presented By:"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.0 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Air Force\u2019s grounded T-6 trainers could fly again next week - Defense News<\/title>\n<meta name=\"description\" content=\"The Air Force\u2019s T-6 trainer \u2014 which was grounded at the beginning of February after a rash of hypoxia incidents \u2014 could resume flights as early as Monday.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Air Force\u2019s grounded T-6 trainers could fly again next week\" \/>\n<meta property=\"og:description\" content=\"The Air Force\u2019s T-6 trainer \u2014 which was grounded at the beginning of February after a rash of hypoxia incidents \u2014 could 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