{"id":26307,"date":"2019-09-11T23:07:47","date_gmt":"2019-09-11T23:07:47","guid":{"rendered":"https:\/\/one.sightlinemg.com\/airforcetimes\/uncategorized\/2019\/09\/11\/air-force-restricts-kc-46-from-carrying-cargo-and-personnel\/"},"modified":"2026-08-07T22:06:55","modified_gmt":"2026-08-07T22:06:55","slug":"air-force-restricts-kc-46-from-carrying-cargo-and-personnel","status":"publish","type":"post","link":"https:\/\/one.sightlinemg.com\/airforcetimes\/news\/your-air-force\/2019\/09\/11\/air-force-restricts-kc-46-from-carrying-cargo-and-personnel\/","title":{"rendered":"US Air Force restricts KC-46 from carrying cargo and passengers"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">WASHINGTON \u2014 In a move that could have major impacts on the <a href=\"https:\/\/www.defensenews.com\/air\/2018\/05\/09\/remember-that-list-of-kc-46-problems-heres-how-theyre-getting-fixed\/\" target=\"_blank\">already-delayed tanker program<\/a>, the U.S. Air Force has<a href=\"https:\/\/www.defensenews.com\/air\/2018\/07\/26\/boeings-kc-46-penalties-now-up-to-34b-thanks-to-new-426m-charge\/\" target=\"_blank\"> indefinitely barred the KC-46<\/a><a href=\"https:\/\/www.defensenews.com\/air\/2018\/07\/26\/boeings-kc-46-penalties-now-up-to-34b-thanks-to-new-426m-charge\/\" target=\"_blank\"> <\/a>from carrying cargo and passengers, Defense News has learned.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The decision was made after an incident occurred where the cargo locks on the bottom of the floor of the aircraft became unlocked during a recent flight, creating concerns that airmen could potentially be hurt or even killed by heavy equipment that suddenly bursts free during a flight.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cAs a result of this discovery, the Air Force has submitted a Category 1 deficiency report and is working with Boeing to identify a solution,\u201d Air Force Mobility Command spokesman Col. Damien Pickart said in a statement. The service uses the term <a href=\"https:\/\/www.defensenews.com\/smr\/hidden-troubles-f35\/\" target=_blank>Category 1 <\/a>to describe serious technical issues that could endanger the aircrew and aircraft or have other major effects.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cUntil we find a viable solution with Boeing to remedy this problem, we can\u2019t jeopardize the safety of our aircrew and this aircraft,\u201d he said.<\/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\/2019\/01\/10\/boeing-delivers-first-kc-46-but-fixes-to-technical-problems-still-years-away\/\" 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=\"169\" src=\"https:\/\/one.sightlinemg.com\/wp-content\/uploads\/2026\/08\/KC-46-row-1-1.jpg-1.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\">Boeing delivers first KC-46, but fixes to technical problems still years away<\/h3>\n\t\t\t\t\t\t\t\t\t<p class=\"smg-interstitial-link__excerpt\">Boeing could miss out on $1.5 billion if the maximum withholding is applied to all 52 tankers on contract.<\/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\">The problem was discovered during a recent overseas operational test and evaluation flight, when KC-46 aircrew noticed that numerous cargo restraint devices had come unlocked over the course of the multiple legs of the trip.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cPrior to departing for each of these missions, aircrew fully installed, locked and thoroughly inspected each restraint, and performed routine inspections of the restraints in flight,\u201d Pickart said. \u201cDespite these safety measures, the unlocking of cargo floor restraints occurred during flight, although no cargo or equipment moved and there was no specific risk to the aircraft or crew.\u201d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A source with knowledge of the issue told Defense News that if all restraints on a particular pallet had become unlocked, it would be able to roll freely throughout the cabin. If all cargo became unlatched, it could pose a safety risk to aircrew or even unbalance the aircraft \u2014 making the plane \u201cdifficult, if not impossible\u201d to control.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">While this problem has only been observed on one KC-46, the Air Force does not have enough information to rule out other aircraft having a similar defect.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The problem also poses a danger to the tanker\u2019s operational test schedule, Pickart said. The program was set to start initial operational test and evaluation this fall, with pre-IOT&amp;E activities already initiated.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cThis is a multi-mission aircraft, it\u2019s for carrying cargo and passengers, it\u2019s for refueling and also the aeromedical evacuation mission,\u201d he said. \u201cIf you can\u2019t carry cargo pallets and patient litters, a significant amount of your core missions cannot be properly tested.\u201d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In a statement, KC-46 manufacturer Boeing acknowledged that it had been notified of the new issue.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cThe company and the Air Force are cooperatively analyzing the locks to determine a root cause,\u201d Boeing stated. \u201cThe safety of KC-46 aircraft and crew is our top priority. Once a cause has been identified, the tanker team will implement any required actions as quickly as possible.\u201d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">But the problem could be bad news for Boeing\u2019s bottom line. The company is locked into a fixed-price contract for where it is responsible for paying for any expenses beyond the initial $4.9 billion award for development of the aircraft. So far, the company has paid <a href=\"https:\/\/www.defensenews.com\/industry\/2018\/10\/24\/boeing-adds-another-179m-in-cost-overruns-to-kc-46-as-delivery-draws-near\/\" target=\"_blank\">more than $3.5 billion of its own money<\/a> to fund corrections to ongoing technical issues.<\/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\/09\/17\/air-force-finds-new-kc-46-deficiencies-putting-planned-delivery-date-in-jeopardy\/\" 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=\"188\" src=\"https:\/\/one.sightlinemg.com\/wp-content\/uploads\/2026\/08\/kc46-refueling.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\">Air Force finds new KC-46 deficiencies, jeopardizing planned delivery date<\/h3>\n\t\t\t\t\t\t\t\t\t<p class=\"smg-interstitial-link__excerpt\">The Boeing-made tanker has encountered yet another set of issues.<\/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\">The latest Cat-1 deficiency brings the total up to four:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>The tanker\u2019s remote vision system or RVS \u2014 the camera system that allows KC-46 boom operators to steer the boom into a receiver aircraft without having to look out a window and use visual cues \u2014 provides imagery in certain lighting conditions that appears warped or misleading. Boeing has agreed to pay for potentially extensive hardware and software fixes, but the Air Force believes it will be three or four years until the system is fully functional.<\/li><li>The Air Force has recorded instances of the <a href=\"https:\/\/www.defensenews.com\/air\/2017\/09\/22\/air-force-aims-to-fix-three-kc-46-deficiencies-before-key-milestone\/\" target=_blank>boom scraping against the airframe of receiver aircraft<\/a>. Boeing and the Air Force believe this problem is a symptom of the RVS\u2019s acuity problems and will be eliminated once the camera system is fixed.<\/li><li>Boeing must redesign the boom to accommodate the A-10, which currently does not generate the thrust necessary to push into the boom for refueling. This problem is a requirements change by the Air Force, which approved Boeing\u2019s design in 2016. Last month, Boeing <a href=\"https:\/\/www.defensenews.com\/air\/2019\/08\/06\/heres-why-boeing-is-getting-555m-to-fix-a-problem-with-the-air-forces-new-tanker\/\" target=_blank>received a $55.5 million contract<\/a> to begin work on the new boom actuator.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">While the KC-46 program has clocked several key milestones this year, it has also hit some publicly embarrassing stumbles.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">After several years of delays, the Air Force finally signed off on the <a href=\"https:\/\/www.defensenews.com\/air\/2019\/01\/25\/the-air-force-gets-its-first-new-kc-46s-an-event-decades-in-the-making\/\" target=\"_blank\">acceptance of the first tanker<\/a>. However, due to the list of technical problems, Boeing was forced to accept an agreement where the service could withhold up to $28 million per aircraft upon delivery. About $360 million has been withheld so far, <a href=\"https:\/\/www.defenseone.com\/business\/2019\/07\/us-air-force-has-withheld-360m-and-counting-boeings-tanker-woes\/158673\/\" target=\"_blank\">Defense One reported in July<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The Air Force plans to buy 179 KC-46s over the life of the program, and 52 are currently on contract. So far, Boeing has delivered 18 tankers to McConnell Air Force Base, Kan.; Altus Air Force Base, Okla; and Pease Air National Guard Base, N.H.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">But deliveries were interrupted earlier this year by the discovery of foreign object debris in multiple planes. The Air Force <a href=\"https:\/\/www.defensenews.com\/digital-show-dailies\/air-warfare-symposium\/2019\/02\/28\/air-force-forces-boeing-to-make-changes-after-problems-with-kc-46-production\/\" target=\"_blank\">suspended KC-46 flights<\/a> at Boeing\u2019s production line in Everett, Wash., this February after finding debris. Then it<a href=\"https:\/\/www.defensenews.com\/digital-show-dailies\/air-warfare-symposium\/2019\/03\/01\/air-force-suspends-kc-46-tanker-deliveries\/\" target=\"_blank\"> paused all tanker deliveries in March<\/a> as the service investigated the extent of the problem. The service began accepting tankers again <a href=\"https:\/\/www.defensenews.com\/air\/2019\/03\/14\/boeing-resumes-kc-46-tanker-deliveries-but-air-force-scrutiny-will-linger\/\" target=\"_blank\">later that month<\/a>, only for deliveries <a href=\"https:\/\/www.airforcetimes.com\/news\/your-air-force\/2019\/04\/02\/air-force-again-halts-kc-46-deliveries-after-more-debris-found\/\" target=\"_blank\">to stop<\/a> \u2014 <a href=\"https:\/\/www.defensenews.com\/air\/2019\/04\/09\/air-force-improves-new-inspection-plan-for-kc-46s-paving-the-way-for-deliveries-to-restart\/\" target=\"_blank\">and restart<\/a> \u2014 in April due to similar problems.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Will Roper, the service\u2019s acquisition executive, told reporters at the Paris Air Show this July that the service expects to find foreign object debris in KC-46s moving through the line, and it may be months before planes are reliably clean.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cAs those airplanes flow forward down the line, we think it\u2019s going to take some time for the new quality assurance inspection processes to start early enough so that airplanes will flow that are FOD-free,\u201d he said, <a href=\"https:\/\/www.defenseone.com\/business\/2019\/06\/boeing-tankers-still-have-debris-fix-months-maybe-longer-away\/157786\/\" target=\"_blank\">according to Defense One<\/a>. \u201cIt\u2019s not the way we want to get airplanes into the Air Force, but it\u2019s what we\u2019re going to have to do in the meantime.\u201d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><i>This story was corrected on Sept. 12 at 1:50 p.m. EST to include Pease Air National Guard Base.<\/i><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The KC-46 has added another critical deficiency to the list, and it&#8217;s the most serious problem yet.<\/p>\n","protected":false},"author":7,"featured_media":9358,"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":67,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","_smg_distribution_targets":[]},"categories":[101,24,88,16,26,67],"tags":[],"coauthors":[3305],"class_list":["post-26307","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-daily-news-roundup","category-home","category-left-column","category-news","category-newsletters","category-your-air-force"],"acf":{"subheadline":"","legacy_arc_id":"L5OUTNSZ2RFDNKEKLW43GMK5TE","arc_canonical_url":"\/breaking-news\/2019\/09\/11\/air-force-restricts-kc-46-from-carrying-cargo-and-personnel\/","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>US Air Force restricts KC-46 from carrying cargo and passengers - Air Force TImes<\/title>\n<meta name=\"description\" content=\"The KC-46 has added another critical deficiency to the list, and it&#039;s the most serious problem yet.\" \/>\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=\"US Air Force restricts KC-46 from carrying cargo and passengers\" \/>\n<meta property=\"og:description\" content=\"The KC-46 has added another critical deficiency to the list, and it&#039;s the most serious problem yet.\" \/>\n<meta property=\"og:url\" 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