[SystemSafety] Alton Towers was HF

[Peter Bernard Ladkin]

For those who don't know, an amusement park in England, Alton Towers, suffered an accident on its
new Smiler ride on 2 June 2015 https://en.wikipedia.org/wiki/The_Smiler_(roller_coaster) Some people
were seriously injured.

The UK HSE has prosecuted the owner and court proceedings have just started. The owner has pleaded
guilty. The technical engineering was all OK. The human engineering not so. Summary: it was HF.

http://www.theguardian.com/business/2016/apr/22/alton-towers-owner-pleads-guilty-over-smiler-rollercoaster-crash

A question for those of you in IEC SC65A WG 17 on HF and functional safety: does your current
proposal require measures which, had they been followed, would have avoided this accident?

PBL

Prof. Peter Bernard Ladkin, Faculty of Technology, University of Bielefeld, 33594 Bielefeld, Germany
Je suis Charlie
Tel+msg +49 (0)521 880 7319  www.rvs.uni-bielefeld.de





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