[time-nuts] Spoofing GPS
info at blackmountainforge.com
Wed Jun 27 02:44:56 UTC 2012
Safety Considerations for Operation of Unmanned Aerial Vehicles in the
National Airspace System
Weibel, Roland E; Hansman, R. John
Link is here:
2005 so a bit behind current state of art but what municipalities are going
to pony up for the latest technology...
> -----Original Message-----
> From: time-nuts-bounces at febo.com
> [mailto:time-nuts-bounces at febo.com] On Behalf Of Jim Lux
> Sent: Tuesday, June 26, 2012 15:59
> To: time-nuts at febo.com
> Subject: Re: [time-nuts] Spoofing GPS
> On 6/26/12 3:38 PM, J. Forster wrote:
> > Whether it's spoofing or jamming, domestic drones are
> becoming ubiquitous,
> > because they are just so tempting, and sooner or later one
> is gonna crash
> > onto a populated area, either by accident or deliberate mischief.
> > A piloted aircraft may be able to avoid hitting a school; a
> drone may not.
> That *is* the significant problem with non-government UAVs.
> All fine to
> run them over the desert on the southern border or out over
> the Mojave.
> By and large, UAV failures, as you note, don't have the option of
> doing a Great Santini.
> The (catastrophic) failure rate of UAVs is something like
> 100 or 1000
> times higher than for military piloted craft, which in turn
> is something
> like 100 or 1000 times that for civilian craft.
> I did some calculations last year, and if Los Angeles decided
> to put up
> a UAV 24/7 to replace things like helicopters, we could
> expect a crash
> into the city about once a week.
> The MQ-9 Reaper and RQ-1 Predator have a reported Class A
> mishap rate of
> about 10 per 1000 flight hours... Class A = >$1M in damage
> or death..
> bear in mind that if a $500k drone augers in out in the
> desert, that's
> not a Class A mishap.
> So, 1 year is about 8760 hours, so we could expect 87.6 Class A
> mishaps/year if the LAPD decided to fly the current flavor of
> UAV. Yes,
> that would create some interesting news stories. How long
> til we see a
> tailfin with LAPD sticking out of an elementary school a'la Cerritos.
> For comparison, in around 2000-2005, the commercial accident rate was
> about 0.01 per 100k hours. The Air Force reported about 1 per 100k
> hours. General aviation is 10/100k hours. (these are non-specific
> "accidents", so they aren't directly comparable to Class A mishaps)
> There's a great report from MIT on this.. google for Weibel
> ICAT report
> UAV safety
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