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

From: Steve Tockey < >
Date: Thu, 18 Jun 2015 18:12:35 +0000

I can see how "3828" can be possibly confused with "1328". But ATC never uses flight numbers alone. One flight would be "Cactus 3828" and the other "Delta 1328". Unless the DL pilot used to work for SW, how could s/he not recognize the company part of the call sign?

-----Original Message-----
From: <Smith>, "Brian E. (ARC-TH)" <brian.e.smith_at_xxxxxx Date: Thursday, June 18, 2015 11:02 AM
To: Peter Wilkinson <Peter.Wilkinson_at_xxxxxx <simon_at_xxxxxx
"systemsafety_at_xxxxxx <systemsafety_at_xxxxxx Subject: Re: [SystemSafety] Chicago controller halts Delta jet's near-miss on takeoff: '1328, stop, stop stop!'

Agree. Perhaps it is more properly termed a rare coincidence of call sign similarity.

On 6/18/15, 10:59 AM, "Peter Wilkinson" <Peter.Wilkinson_at_xxxxxx wrote:

>I wonder if it is rarely a Black Swan event. If these are defined (at
>least in part) as unforeseen events - I don't think it qualifies as a
>Black Swan. As Peter has pointed out - a known problem regards
>Pete w
>
>-----Original Message-----
>From: systemsafety-bounces_at_xxxxxx >[mailto:systemsafety-bounces_at_xxxxxx >Smith, Brian E. (ARC-TH)
>Sent: Friday, 19 June 2015 3:44 AM
>To: Simon Whiteley; systemsafety_at_xxxxxx >Subject: Re: [SystemSafety] Chicago controller halts Delta jet's
>near-miss on takeoff: '1328, stop, stop stop!'
>
>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 >wrote:
>
>>http://www.nola.com/business/index.ssf/2015/06/chicago_controller_preve
>>nts
>>_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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>>The System Safety Mailing List
>>systemsafety_at_xxxxxx >
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