particularly relevant. I live in the rural part of Northern California.
When neighbors become ill or suffer trauma, many times they are taken to
the hospital by helicopter and those flights are a common occurrence. I
like to avoid helicopters and have a mini collision avoidance system on
my trike. It reads the transponder, sounds an alarm, and then reports
through a digital readout the distance an aircraft is from me, its
speed, and altitude. Many times I have been alerted, and when it looks
like we are approaching each other, I give way and make sure I am well
out of their route of travel.
Jim DeWilder
On Fri, 2009-09-25 at 11:15 -0500, Jim Bair wrote:
>
> Approach control most definitely does *not* want to be talking to
> anyone not entering the Class B airspace. The purpose of the
> transponder/encoder requirement inside the Mode C ring is to simply
> make all airplanes visible not just to approach control, but even more
> importantly to provide collision avoidance capability with the jets in
> that airspace. You may not be aware of it as a GA pilot who has
> accidentally wandered into the Class B airspace because you don't have
> TCAS (transponder collision avoidance system), but your encoder is
> read by airliners and if one is close to you and on a collision
> course, they will get a collision avoidance command that overrides ATC
> instructions. The purpose is to avoid a repeat of the airliner/Cessna
> collision over San Diego some years back.
>
> Mike's description of the rules is perfect. I would only add that the
> way for more restrictive rules to occur is for some wayward UL pilot
> (who doesn't need a transponder) to screw up and actually violate the
> Class B (unaware of exactly where they are or knowing but unaware that
> they shouldn't be there) and have a near miss with an airliner. That
> is exactly how we keep getting saddled with more and more rules that
> we would prefer we didn't have.
>
> Jim
>
> ----
>
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