Article View: sci.space
Article #7435Re: Subjective Safety Measure(Re: man-rating)
From: Thomas Hagadorn
Date: Fri, 08 Jan 1993 17:23
Date: Fri, 08 Jan 1993 17:23
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In article <1993Jan7.204434.16621@blaze.cs.jhu.edu> arromdee@jyusenkyou.cs.jhu.edu (Ken Arromdee) writes: |In article <1993Jan7.181829.13714@cs.ucf.edu> clarke@acme.ucf.edu (Thomas Clarke) writes: |>The rating of transportation system safety by fatalities per |>passenger mile always struck me as bogus. Subjectively, what |>matters is the probability of exit. That is if I climb in and | |In that case, the probability of exit can be made as low as you want, for an |automobile, by stopping along the way. (The risk of dying on the trip stays Actually, I believe replacing passenger-miles with passenger-hours is a more appropriate metric, however, I think the airline industry still beats the automotive here as well (someone with source to the numbers might like to check).
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Path: arc1-ca.pugleaf.net!sparky!uunet!zaphod.mps.ohio-state.edu!howland.reston.ans.net!paladin.american.edu!darwin.sura.net!lhc!adm!amsaa-cleo!hagadorn From: hagadorn@amsaa-cleo.brl.mil (Thomas Hagadorn) Newsgroups: sci.space,sci.aeronautics Subject: Re: Subjective Safety Measure(Re: man-rating) Message-ID: <10203@amsaa-cleo.brl.mil> Date: 8 Jan 93 17:23:14 GMT References: <1993Jan7.152456.25477@mksol.dseg.ti.com> <1993Jan7.181829.13714@cs.ucf.edu> <1993Jan7.204434.16621@blaze.cs.jhu.edu> Followup-To: sci.space Organization: Army Materiel Systems Analysis Activity Lines: 13