Doug Haluza wrote:
Most ATC sections filter out 1200
VFR codes, and only view aircraft with discrete codes. So in this case,
even if the glider's transponder was on, there is no guarantee that the
controller even saw it, much less gave a traffic warning--they are not
required to warn IFR aircraft of VFR targets anyway.

Whoa! Really? Isn't that the point of requiring all airplanes to carry
transponders? What I've heard from multiple sources is the only places
the VFR code is filtered out are areas with VERY heavy traffic (and
where VFR traffic is confined), like over Los Angeles. Knowledgeable
people that fly in the Minden area and discuss things with ATC there
have never suggested that Reno is filtering out VFR codes!

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Eric Greenwell - Washington State, USA

www.motorglider.org - Download "A Guide to Self-launching Sailplane
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