[SystemSafety] Autopilot interface?

[Olwen Morgan]

Interesting.

I'm left with the impression that suboptimal HMI design has reared its 
head here.


Olwen


On 08/11/2018 14:18, SPRIGGS, John J wrote:
>
> This is where the BBC got it from: 
> https://assets.publishing.service.gov.uk/media/5bc73322ed915d0b0349a662/DHC-8-402_Dash_8_G-ECOE_11-18.pdf 
>
>
> *From:*systemsafety 
> [mailto:systemsafety-bounces at lists.techfak.uni-bielefeld.de] *On 
> Behalf Of *Michael J. Pont
> *Sent:* 08 November 2018 12:26
> *To:* 'The System Safety List'
> *Subject:* [SystemSafety] Autopilot interface?
>
> A report on the BBC website of a flight incident earlier this year:
> https://www.bbc.co.uk/news/uk-46137445
>
> According to the BBC:
>
> --- BEGIN QUOTE ---
>
> The plane climbed to 1,500ft, but then pitched and "descended rapidly" 
> because autopilot was set with a target altitude of 0ft.
>
> Staff reported that the plane "had become visual with the ground", and 
> the report said the aircraft had reached a maximum rate of descent of 
> 4,300ft/min.
>
> --- END QUOTE ---
>
> I've never had responsibility for the design of an autopilot 
> interface, but I'd have thought that you'd probably want to make it 
> difficult to set a target height of 0 ft under these conditions?
>
> Michael.
>
> Michael J. Pont
> SafeTTy Systems Ltd.
>
>
>
>
>
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