Re: [SystemSafety] Chicago controller halts Delta jet's near-miss on takeoff: '1328, stop, stop stop!'

From: Smith, Brian E. (ARC-TH) < >
Date: Thu, 18 Jun 2015 17:44:07 +0000


As observed by Peter, this may have been caused by confusion between the Call Signs of the aircraft. One of those rare, Black Swan events.

From:
http://www.chicagotribune.com/news/local/breaking/ct-midway-airport-close-c all-20150617-story.html#

Before the incident, a Midway ground controller had notified both pilots about the similar and potentially confusing flight numbers of the

   [comment: good job!]
two planes waiting to depart, and he advised the pilots to listen carefully to radio calls, according to tapes of the incident, which are on http://www.LiveATC.net

On the transmission, the tower controller is heard clearing Southwest Flight 3828 for takeoff. But when the Southwest pilot radios back

confirmation, his voice is obscured, or "stepped on," by a dual
transmission, apparently from Delta Flight 1328. During a dual
transmission, each pilot hears only some of what is being communicated.

A second dual transmission then occurs, and seconds later, as the Southwest plane is accelerating down runway 31 Center, the Delta plane is also on a takeoff roll on intersecting runway 4 Right, sources said.

A controller abruptly yells, "Stop, stop, stop, stop!" A pilot says, "Aborting," and another pilot announces, "SWA stopping."

On 6/18/15, 10:27 AM, "Simon Whiteley" <simon_at_xxxxxx

>http://www.nola.com/business/index.ssf/2015/06/chicago_controller_prevents
>_de.html
>
>FYI
>
>- Two passenger jets began to take off at the same time on intersecting
>runways at Chicago's Midway International Airport, prompting a controller
>to shout over the radio for one of the pilots to halt to avoid a
>collision.
>
>
>
>Wow! Just wow!
>-SPPW
>
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>systemsafety_at_xxxxxx



The System Safety Mailing List
systemsafety_at_xxxxxx Received on Thu Jun 18 2015 - 19:44:24 CEST

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