T o d d P a t t i s t wrote:
"Mike the Strike" wrote:

...and what is the downside of operating a new but uncertified
transponder? Can't be worse than getting run over by a bizjet.

It's a violation of 91.413(a) to turn it on. A bad TCAS
resolution could result from a bad encoder altitude.

My transponder reads out the encoder altitude. Is that adequate? Or how
about asking ATC what altitude they are reading from my glider? Or how
about using it in Mode A until it's checked?

--
Change "netto" to "net" to email me directly

Eric Greenwell - Washington State, USA

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