Post by Sylvia ElsePost by Bob CasanovaOn Mon, 23 Jan 2017 14:26:26 +1100, the following appeared
in sci.skeptic, posted by Sylvia Else
Post by Sylvia ElsePost by Garrison Hilliardhttp://www.airfarewatchdog.com/blog/32047815/airbus-ceo-says-flying-cars-ready-for-takeoff-soon/%20/?source=45568&nltv=&nl_cs=32088389%3A%3A%3A%3A%3A%3A
The Airbus CEO is dreaming. They'll cost too much to run, too much to
make, and the only way to avoid mass carnage would be to make then
completely automatic, not self-piloted.
Yep. I watch the antics of drivers in 2 dimensions; thinking
what they'd do in 3 is the stuff of nightmares.
Even if self piloting were restricted to competent individuals, I think
it would still be impossible. The reason general aviation works at the
moment is because it's relatively sparse, so that conflicts between
aircraft are infrequent, and easily handled when they occur (though we
still see occasional mid-air collisions).
Don't discount the level of training required. I've been through
training for automobile, light aircraft, and motorcycle, and can assure
you that (in the U.S.) automobile and motorcycle were trivial in their
difficulty and comprehensiveness, but private pilot orders of magnitude
better. FTR, I didn't complete my private pilot's license, for reasons
unrelated to the difficulty. I agree that the extremely low density
outside terminal areas helps enormously, though the use of airways has
counteracted this safety a lot, but if a pilot's license had the same
low requirements as the driver's license needed to control a large
panel truck, we'd be seeing CFIT and mid-air collisions on a frequent
basis.
Post by Sylvia ElseWith a much higher traffic
density the task of avoiding other aircraft would be beyond human
ability. Some sort of centralised control and coordination system would
be needed - together with some way of dealing with failures of same.
Automated avoidance systems are at least in part based on a "see and
avoid" concept. With no centralized system, each vehicle can see and
recognize potential threats. That's the core of the concern in the MC
community for the auto systems, that the designers are focusing too
much on those per-vehicle systems visually recognizing cars and trucks,
and not enough on also recognizing vehicles with radically different
profiles, especially motorcycles. The well-publicized Tesla crash into
a semi demonstrated that the systems aren't nearly sufficient *yet*,
but that doesn't mean we won't get there. What we have now, with
untrained, distracted, and too often inebriated humans in control,
certainly isn't sufficient either, and it's unlikely that the humans
will improve much. On top of that, humans are very bad at dealing with
three-dimensional space, whereas an automated system can be
specifically designed to handle that.