{"id":164400,"date":"2026-11-14T03:06:00","date_gmt":"2026-11-13T21:36:00","guid":{"rendered":"https:\/\/aviationa2z.com\/?p=164400"},"modified":"2026-11-13T23:21:32","modified_gmt":"2026-11-13T17:51:32","slug":"united-airlines-787-pilots-warned-over-dangerous-call-sign-confusion-at-san-francisco-airport","status":"publish","type":"post","link":"https:\/\/aviationa2z.com\/index.php\/2026\/11\/14\/united-airlines-787-pilots-warned-over-dangerous-call-sign-confusion-at-san-francisco-airport\/","title":{"rendered":"United Airlines 787 Pilots Warned Over Dangerous Call Sign Confusion at San Francisco Airport"},"content":{"rendered":"\n<p><strong>SAN FRANCISCO-<\/strong> A <a href=\"https:\/\/aviationa2z.com\/index.php\/tag\/united-airlines\/\" target=\"_blank\" rel=\"noreferrer noopener\">United Airlines (UA)<\/a> Boeing 787-9 Dreamliner, operating flight UA505 from San Francisco International Airport (SFO) to Houston George Bush Intercontinental Airport (IAH), encountered a potential communication safety concern during departure operations on November 6, 2026.<\/p>\n\n\n\n<p>An air traffic controller at SFO warned the UA505 crew about another United aircraft operating with a similar-sounding call sign UA805. The controller said the two flights were scheduled approximately 15 minutes apart and asked the pilots to report the issue to United Airlines.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/aviationa2z.com\/wp-content\/uploads\/2024\/05\/jeex7axg-1024x576.png\" alt=\"United Airlines 787 Pilots Warned Over Dangerous Call Sign Confusion at San Francisco Airport\" class=\"wp-image-63577\" srcset=\"https:\/\/aviationa2z.com\/wp-content\/uploads\/2024\/05\/jeex7axg-1024x576.png 1024w, https:\/\/aviationa2z.com\/wp-content\/uploads\/2024\/05\/jeex7axg-300x169.png 300w, https:\/\/aviationa2z.com\/wp-content\/uploads\/2024\/05\/jeex7axg-768x432.png 768w, https:\/\/aviationa2z.com\/wp-content\/uploads\/2024\/05\/jeex7axg-1536x864.png 1536w, https:\/\/aviationa2z.com\/wp-content\/uploads\/2024\/05\/jeex7axg-150x84.png 150w, https:\/\/aviationa2z.com\/wp-content\/uploads\/2024\/05\/jeex7axg-450x253.png 450w, https:\/\/aviationa2z.com\/wp-content\/uploads\/2024\/05\/jeex7axg-1200x675.png 1200w, https:\/\/aviationa2z.com\/wp-content\/uploads\/2024\/05\/jeex7axg.png 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Photo: Rohan | A7-BAJ <\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-sfo-tower-warns-united-pilots-about-similar-flight-call-signs\">SFO Tower Warns United Pilots About Similar Flight Call Signs<\/h2>\n\n\n\n<p>The incident involved United Airlines flight UA505, operated by a <a href=\"https:\/\/aviationa2z.com\/?s=787\" target=\"_blank\" rel=\"noreferrer noopener\">Boeing 787-9 Dreamliner<\/a> registered as N61115. Flight-tracking records identify the aircraft as operating the San Francisco-Houston route on November 6, 2026.<\/p>\n\n\n\n<p>During the exchange, United 805 Heavy was holding on Runway 28R, while United 505 Heavy was preparing to line up on Runway 1L.<\/p>\n\n\n\n<p>The air traffic controller identified the potential confusion between the two company call signs and contacted the UA505 crew directly.<\/p>\n\n\n\n<p>The controller explained that United 805 Heavy was already positioned on the runway to the aircraft&#8217;s right and that the two flights were scheduled to operate approximately 15 minutes apart.<\/p>\n\n\n\n<p>The controller then asked the UA505 pilots to pass a specific request to United Airlines.<\/p>\n\n\n\n<p>The tower controller said:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>&#8220;Can you let your company know that they need to either change call signs or put them more than an hour apart? Because that&#8217;s pretty dangerous for us.&#8221;<\/p>\n<\/blockquote>\n\n\n\n<p>The warning highlighted the controller&#8217;s concern about managing two aircraft with similar-sounding call signs during closely timed departure operations.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/aviationa2z.com\/wp-content\/uploads\/2024\/12\/j3epo94b-1024x576.webp\" alt=\"United Airlines Boeing 787\" class=\"wp-image-78338\" srcset=\"https:\/\/aviationa2z.com\/wp-content\/uploads\/2024\/12\/j3epo94b-1024x576.webp 1024w, https:\/\/aviationa2z.com\/wp-content\/uploads\/2024\/12\/j3epo94b-300x169.webp 300w, https:\/\/aviationa2z.com\/wp-content\/uploads\/2024\/12\/j3epo94b-768x432.webp 768w, https:\/\/aviationa2z.com\/wp-content\/uploads\/2024\/12\/j3epo94b-50x28.webp 50w, https:\/\/aviationa2z.com\/wp-content\/uploads\/2024\/12\/j3epo94b-1600x900.webp 1600w, https:\/\/aviationa2z.com\/wp-content\/uploads\/2024\/12\/j3epo94b-1536x864.webp 1536w, https:\/\/aviationa2z.com\/wp-content\/uploads\/2024\/12\/j3epo94b-150x84.webp 150w, https:\/\/aviationa2z.com\/wp-content\/uploads\/2024\/12\/j3epo94b-450x253.webp 450w, https:\/\/aviationa2z.com\/wp-content\/uploads\/2024\/12\/j3epo94b-1200x675.webp 1200w, https:\/\/aviationa2z.com\/wp-content\/uploads\/2024\/12\/j3epo94b.webp 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Photo: Cl\u00e9ment Alloing<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-united-ua505-crew-agrees-to-report-the-issue\">United UA505 Crew Agrees to Report the Issue<\/h2>\n\n\n\n<p>The UA505 flight crew acknowledged the controller&#8217;s concern and agreed to communicate the request to the airline.<\/p>\n\n\n\n<p>One of the <a href=\"https:\/\/aviationa2z.com\/?s=Pilot\" target=\"_blank\" rel=\"noreferrer noopener\">pilots <\/a>responded:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>&#8220;All right, I&#8217;ll put a request in there, United 505.&#8221;<\/p>\n<\/blockquote>\n\n\n\n<p>The controller thanked the crew for its cooperation and explained that contacting the airline through the pilots would be the quickest way to raise the issue.<\/p>\n\n\n\n<p>The exchange suggests that the controller wanted United to address the scheduling or flight-identification problem at the company level rather than rely solely on additional precautions from air traffic control.<\/p>\n\n\n\n<p>The requested changes included assigning different call signs to the flights or increasing the scheduled separation between them to more than one hour.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/aviationa2z.com\/wp-content\/uploads\/2023\/09\/1080px-Boeing_777-222_N795UA_United_Airlines_14332204454-1024x683.jpg\" alt=\"United Airlines 787 Pilots Warned Over Dangerous Call Sign Confusion at San Francisco Airport\" class=\"wp-image-45712\" srcset=\"https:\/\/aviationa2z.com\/wp-content\/uploads\/2023\/09\/1080px-Boeing_777-222_N795UA_United_Airlines_14332204454-1024x683.jpg 1024w, https:\/\/aviationa2z.com\/wp-content\/uploads\/2023\/09\/1080px-Boeing_777-222_N795UA_United_Airlines_14332204454-300x200.jpg 300w, https:\/\/aviationa2z.com\/wp-content\/uploads\/2023\/09\/1080px-Boeing_777-222_N795UA_United_Airlines_14332204454-768x512.jpg 768w, https:\/\/aviationa2z.com\/wp-content\/uploads\/2023\/09\/1080px-Boeing_777-222_N795UA_United_Airlines_14332204454-750x500.jpg 750w, https:\/\/aviationa2z.com\/wp-content\/uploads\/2023\/09\/1080px-Boeing_777-222_N795UA_United_Airlines_14332204454.jpg 1080w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Photo: By Alan Wilson &#8211; Boeing 777-222 &#039;N795UA&#039; United Airlines, CC BY-SA 2.0, https:\/\/commons.wikimedia.org\/w\/index.php?curid=33925191<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-united-ua805-and-ua505-receive-runway-instructions\">United UA805 and UA505 Receive Runway Instructions<\/h2>\n\n\n\n<p>While discussing the similar call signs, the SFO tower continued coordinating the departure movements of both United aircraft.<\/p>\n\n\n\n<p>United 805 Heavy initially received instructions to line up and wait on Runway 28R, with the controller advising the crew about departing traffic to the north.<\/p>\n\n\n\n<p>Meanwhile, United 505 Heavy received instructions to line up and wait on Runway 1L.<\/p>\n\n\n\n<p>After the discussion about the similar call signs, the controller continued sequencing the aircraft for departure.<\/p>\n\n\n\n<p>United 505 Heavy received a quick-takeoff instruction for Runway 1L. The controller subsequently coordinated with United 805 Heavy, asking the aircraft to line up and wait on Runway 28R.<\/p>\n\n\n\n<p>The controller then issued United 805 Heavy a quick-takeoff instruction with the reported wind at 180 degrees and three knots.<\/p>\n\n\n\n<p>The exchange concluded with the tower thanking the UA505 crew for its cooperation and instructing the flight to contact NorCal Departures.<\/p>\n\n\n\n<p>The pilots acknowledged the frequency change.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"Controller asks pilot for help. Similar call signs on frequency at San Francisco. Real ATC\" width=\"729\" height=\"410\" src=\"https:\/\/www.youtube.com\/embed\/ELWkYfXrkrw?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-atc-and-pilot-comms\">ATC and Pilot Comms<\/h2>\n\n\n\n<p>Here&#8217;s a detailed transcription of communication between United Airlines pilots and <a href=\"https:\/\/aviationa2z.com\/?s=San+Francisco\">San Francisco International Airport ATC<\/a> as flagged by YouCanSeeATC and recorded by LiveATC.net:<\/p>\n\n\n\n<p><strong>[00:05] SFO Tower:<\/strong> United 805 Heavy, Runway 28R, line up and wait. Traffic departing north.<\/p>\n\n\n\n<p><strong>[00:10] United UA805:<\/strong> Runway 28R, line up and wait, United 805 Heavy.<\/p>\n\n\n\n<p><strong>[00:18] United UA805:<\/strong> Tower, United 805. We can speak to you in a minute.<\/p>\n\n\n\n<p><strong>[00:21] SFO Tower:<\/strong> Okay. Once you take it into position, United 805 Heavy, just let me know when you&#8217;re ready.<\/p>\n\n\n\n<p><strong>[00:25] United UA805:<\/strong> Okay, line up and wait, full position, United 805 Heavy.<\/p>\n\n\n\n<p><strong>[00:29] SFO Tower:<\/strong> And use caution. I have company 505 Heavy that&#8217;s going to be departing Runway 1.<\/p>\n\n\n\n<p><strong>[00:33] United UA805:<\/strong> Copy.<\/p>\n\n\n\n<p><strong>[00:38] SFO Tower:<\/strong> United 505 Heavy, Tower.<\/p>\n\n\n\n<p><strong>[00:40] United UA505:<\/strong> United 505 Heavy.<\/p>\n\n\n\n<p><strong>[00:41] SFO Tower:<\/strong> United 505 Heavy, Runway 1L, line up and wait.<\/p>\n\n\n\n<p><strong>[00:45] United UA505:<\/strong> 1505, United 505. <em>(Readback wording unclear in the supplied transcript.)<\/em><\/p>\n\n\n\n<p><strong>[00:47] SFO Tower:<\/strong> And when you have a pen, I got a request for you, United 505 Heavy.<\/p>\n\n\n\n<p><strong>[00:54] United UA505:<\/strong> Go ahead, United 505 Heavy.<\/p>\n\n\n\n<p><strong>[00:56] SFO Tower:<\/strong> United 505 Heavy, I have company similar-sounding call sign 805 in position on to our right. You guys are only scheduled like 15 minutes apart.<\/p>\n\n\n\n<p><strong>[01:04] SFO Tower:<\/strong> Can you let your company know that they need to either change call signs or put them more than an hour apart? Because that&#8217;s pretty dangerous for us.<\/p>\n\n\n\n<p><strong>[01:12] United UA505:<\/strong> All right, I&#8217;ll put a request in there, United 505.<\/p>\n\n\n\n<p><strong>[01:15] SFO Tower:<\/strong> Thank you, I appreciate it.<\/p>\n\n\n\n<p><strong>[01:16] SFO Tower:<\/strong> I figure that&#8217;s the faster way to go.<\/p>\n\n\n\n<p><strong>[01:18] SFO Tower:<\/strong> United 505 Heavy, company is holding on to Runway 1L, quick takeoff.<\/p>\n\n\n\n<p><strong>[01:23] United UA505:<\/strong> Runway 1L, quick takeoff, United 505 Heavy.<\/p>\n\n\n\n<p><strong>[01:26] United UA805:<\/strong> Tower, United 805 Heavy. We&#8217;re going to cross through the runway just to make sure we get the data taken out. <em>(Wording unclear in the supplied transcript.)<\/em><\/p>\n\n\n\n<p><strong>[01:34] SFO Tower:<\/strong> Okay.<\/p>\n\n\n\n<p><strong>[01:35] SFO Tower:<\/strong> I got somebody behind you, so if it&#8217;s going to be more than a couple of minutes, I&#8217;m going to have to move you.<\/p>\n\n\n\n<p><strong>[01:39] United UA805:<\/strong> No, it&#8217;s not going to be more than a couple of minutes, but we can go ahead.<\/p>\n\n\n\n<p><strong>[01:47] SFO Tower:<\/strong> Yeah, there&#8217;s nobody on final, United 805 Heavy, so I&#8217;d rather you line up and wait if you can.<\/p>\n\n\n\n<p><strong>[01:52] United UA805:<\/strong> We&#8217;re lining up and waiting, United 805 Heavy.<\/p>\n\n\n\n<p><strong>[01:54] SFO Tower:<\/strong> Thank you. Traffic company departing north.<\/p>\n\n\n\n<p><strong>[02:02] United UA805:<\/strong> United 805 is on point.<\/p>\n\n\n\n<p><strong>[02:05] SFO Tower:<\/strong> You said you&#8217;re ready?<\/p>\n\n\n\n<p><strong>[02:07] United UA805:<\/strong> Affirmative.<\/p>\n\n\n\n<p><strong>[02:07] SFO Tower:<\/strong> United 805 Heavy, wind 180 at 3, Runway 28R, quick takeoff.<\/p>\n\n\n\n<p><strong>[02:11] United UA805:<\/strong> Runway 28R, quick takeoff, United 805 Heavy.<\/p>\n\n\n\n<p><strong>[02:17] SFO Tower:<\/strong> United 505 Heavy, thanks a lot for your help. Contact NorCal Departures. See you.<\/p>\n\n\n\n<p><strong>[02:21] United UA505:<\/strong> Go to NorCal, United 505 Heavy. Good night, sir.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/aviationa2z.com\/wp-content\/uploads\/2024\/04\/pqj1jnit-1024x576.png\" alt=\"United Airlines 787 Pilots Warned Over Dangerous Call Sign Confusion at San Francisco Airport\" class=\"wp-image-62516\" srcset=\"https:\/\/aviationa2z.com\/wp-content\/uploads\/2024\/04\/pqj1jnit-1024x576.png 1024w, https:\/\/aviationa2z.com\/wp-content\/uploads\/2024\/04\/pqj1jnit-300x169.png 300w, https:\/\/aviationa2z.com\/wp-content\/uploads\/2024\/04\/pqj1jnit-768x432.png 768w, https:\/\/aviationa2z.com\/wp-content\/uploads\/2024\/04\/pqj1jnit-150x84.png 150w, https:\/\/aviationa2z.com\/wp-content\/uploads\/2024\/04\/pqj1jnit-750x422.png 750w, https:\/\/aviationa2z.com\/wp-content\/uploads\/2024\/04\/pqj1jnit-1140x641.png 1140w, https:\/\/aviationa2z.com\/wp-content\/uploads\/2024\/04\/pqj1jnit.png 1440w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Photo: JFK Spotting<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-similar-call-signs-create-an-air-traffic-control-safety-concern\">Similar Call Signs Create an Air Traffic Control Safety Concern<\/h2>\n\n\n\n<p>Similar-sounding airline call signs can create communication challenges for pilots and air traffic controllers, particularly when multiple aircraft from the same airline operate in the same area.<\/p>\n\n\n\n<p>Controllers must ensure that flight crews correctly identify instructions intended for their aircraft. Confusion between two similar call signs could increase the risk of a readback error or a pilot responding to a clearance intended for another aircraft.<\/p>\n\n\n\n<p>In this case, the SFO controller identified the potential problem before completing the departure sequence and directly asked one of the flight crews to help raise the matter with United Airlines.<\/p>\n\n\n\n<p>The recording does not establish that a runway incursion, collision, or incorrect clearance occurred. Instead, it captures a preventive warning from the tower about a potential communication hazard involving two closely scheduled United flights.<\/p>\n\n\n\n<p>Stay tuned with us. Further, follow us on social media for the latest updates.<\/p>\n\n\n\n<p>Join us on\u00a0<a href=\"https:\/\/t.me\/s\/aviationa2z\" rel=\"nofollow\">Telegram Group\u00a0<\/a>for the Latest Aviation Updates. Subsequently, follow us on\u00a0<a href=\"https:\/\/news.google.com\/publications\/CAAqBwgKMPLdrgsw_-jGAw?hl=en-IN&amp;gl=IN&amp;ceid=IN%3Aen\">Google News<\/a><\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-aviation-a-2-z wp-block-embed-aviation-a-2-z\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"AuBD7Ku6Ei\"><a href=\"https:\/\/aviationa2z.com\/index.php\/2026\/11\/08\/united-pilots-reject-atc-routing-that-could-send-boeing-737-into-severe-storms\/\">United Pilots Reject ATC Routing That Could Send Boeing 737 Into Severe Storms<\/a><\/blockquote><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;United Pilots Reject ATC Routing That Could Send Boeing 737 Into Severe Storms&#8221; &#8212; Aviation A2Z\" src=\"https:\/\/aviationa2z.com\/index.php\/2026\/11\/08\/united-pilots-reject-atc-routing-that-could-send-boeing-737-into-severe-storms\/embed\/#?secret=FOucC4iYFL#?secret=AuBD7Ku6Ei\" data-secret=\"AuBD7Ku6Ei\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>A United Airlines air traffic controller at San Francisco International Airport raised concerns about similar-sounding call signs used by flights UA505 and UA805, asking the airline to change the identifiers or increase their scheduling separation.<\/p>\n","protected":false},"author":125,"featured_media":77658,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6761,34,7308],"tags":[5090,3557,178,18306,18311,20160],"class_list":{"0":"post-164400","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-news","8":"category-pilot","9":"category-us-airlines-news","10":"tag-san-francisco","11":"tag-san-francisco-airport","12":"tag-united-airlines","13":"tag-united-airlines-787","14":"tag-united-airlines-boeing-787","15":"tag-united-airlines-pilots"},"_links":{"self":[{"href":"https:\/\/aviationa2z.com\/index.php\/wp-json\/wp\/v2\/posts\/164400","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aviationa2z.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aviationa2z.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aviationa2z.com\/index.php\/wp-json\/wp\/v2\/users\/125"}],"replies":[{"embeddable":true,"href":"https:\/\/aviationa2z.com\/index.php\/wp-json\/wp\/v2\/comments?post=164400"}],"version-history":[{"count":1,"href":"https:\/\/aviationa2z.com\/index.php\/wp-json\/wp\/v2\/posts\/164400\/revisions"}],"predecessor-version":[{"id":164403,"href":"https:\/\/aviationa2z.com\/index.php\/wp-json\/wp\/v2\/posts\/164400\/revisions\/164403"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aviationa2z.com\/index.php\/wp-json\/wp\/v2\/media\/77658"}],"wp:attachment":[{"href":"https:\/\/aviationa2z.com\/index.php\/wp-json\/wp\/v2\/media?parent=164400"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aviationa2z.com\/index.php\/wp-json\/wp\/v2\/categories?post=164400"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aviationa2z.com\/index.php\/wp-json\/wp\/v2\/tags?post=164400"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}