On Thursday, June 20, 2013 5:42:18 PM UTC-7, Ramy wrote:

One thing worth pointing, that even if someone is totally unfamiliar with how to use the unit, just turning it on and ignoring it or even turning down the volume, may be sufficient since it will still warn others.

I got accommodated to Flarm on the first flight. I think the benefits so far exceed any learning curve concerns that I strongly favor a rental program.. Ramy makes a great point for those with a shallow learning curve. There is definitely momentum towards 100% compliance at contests in the US right now.

9B