any breakdown on the 23 in regard if any were at comps and how many fatalities?
> On 4 Mar 2016, at 2:46 PM, Anthony Smith <anthony.sm...@adelaide.on.net> > wrote: > > From the Feb-Mar 2016 issue of Gliding Australia: > > From 1 Oct 15 to 30 Nov 15: There were 34 reported accidents and incidents. > > Of these: > > In flight 2 > Launch 5 > Ground Ops 1 > Landing 23 > Outlanding 3 > > I haven’t found the total reported hours for the same / similar period yet. I > will not hazard a guess about the average hours per year per pilot. > > Latest Gliding International magazine estimated that we have~2600 active > pilots. Mandy reported 2560 active pilots in January this year. > > > > From: Aus-soaring [mailto:aus-soaring-boun...@lists.base64.com.au] On Behalf > Of Mike Borgelt > Sent: Friday, 4 March 2016 12:48 PM > To: Discussion of issues relating to Soaring in Australia. > <aus-soaring@lists.base64.com.au> > Subject: Re: [Aus-soaring] Potential dangers in the sport of gliding > > Making it anywhere from 50 to 80 km/hr isn't going to change things by all > that much. > > Call it a good physics order of magnitude estimate. It is better than that > actually. > > Mike > > At 11:51 AM 3/4/2016, you wrote: > > > > On 4/03/2016 12:07 PM, Mike Borgelt wrote: > > I doubt you'll find glider crash rates per km. Hours, yes. > > What is the average speed of a motorcycle on the roads. I'll say 60km/h based > on driving a car with a car computer a few times. > > Off the top of my head, I couldn't say for sure. I don't have time to go > trawling through the literature right now, but I'd guess it might be a bit > higher than for cars, given the proportion of motorcycle use that is > recreational (as opposed to commuting in traffic). > > > > That gives you around one crash per 1600 hours or so for motorcycles. I guess > this is crashes not fatals? If so sounds about right for gliders too. > > Yep, that's crashes, not fatals. Finding papers that have exposure data *and* > fatality data for motorcycles would take a bit more time (I didn't see any > during my quickish search earlier); and the nature of the beast is that just > copypasting the exposure data into someone else's fatality rate calculation > is prone to give you wildly inaccurate results, due to differences in sample > characteristics, methodology, etc, etc. (These things are never easy.) > > > Teal > > > > Mike > > At 10:58 AM 3/4/2016, you wrote: > > > > On 4/03/2016 10:44 AM, DMcD wrote: > > And I don't think you could compare gliding with motorcycle riding (racing > maybe). In terms of deaths per hundred thousand rider or comp pilot hours, > you'd find a difference of several orders of magnitude. We have what  2500 > pilots active in Australia? And how many die each year? 1-2? > > FWIW, I can help a bit with that question. Good road traffic exposure data > can be a bit hard to come by, but a bit of searching found a paper* reporting > motorcycle crash rates for NSW from (I think) 2004, and they said: "The mean > crash rate (based on self-reported crash involvement) was 0.96 > crashes/100,000 km". > > Now, if anyone has crash data and exposure figures for glider pilots > (measured in km travelled) then we can see how glider fatalities compare with > motorcycle fatalities, should we so desire. > > > Teal > > > *Source: Harrison, W. A., & Christie, R. (2005). Exposure survey of > motorcyclists in New South Wales. /Accident Analysis & Prevention/, /37/(3), > 441-451. > > _______________________________________________ > Aus-soaring mailing list > Aus-soaring@lists.base64.com.au > http://lists.base64.com.au/listinfo/aus-soaring < > http://lists.base64.com.au/listinfo/aus-soaring> > > *Borgelt Instruments***- /design & manufacture of quality soaring > instrumentation since 1978 > / www.borgeltinstruments.com > < http://www.borgeltinstruments.com/>tel: 07 4635 5784overseas: > int+61-7-4635 5784 > mob: 042835 5784: int+61-42835 5784 > P O Box 4607, Toowoomba East, QLD 4350, Australia > > > _______________________________________________ > Aus-soaring mailing list > Aus-soaring@lists.base64.com.au > http://lists.base64.com.au/listinfo/aus-soaring > > > _______________________________________________ > Aus-soaring mailing list > Aus-soaring@lists.base64.com.au > http://lists.base64.com.au/listinfo/aus-soaring > Borgelt Instruments - design & manufacture of quality soaring instrumentation > since 1978 > www.borgeltinstruments.com > tel: 07 4635 5784 overseas: int+61-7-4635 5784 > mob: 042835 5784 : int+61-42835 5784 > P O Box 4607, Toowoomba East, QLD 4350, Australia > > _______________________________________________ > Aus-soaring mailing list > Aus-soaring@lists.base64.com.au > http://lists.base64.com.au/listinfo/aus-soaring
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