I flew the Sports Class Nats with Powerflarm Brick (v 3.0), Butterfly 57mm display (v 3.1).

My experience last season was that flarm was a bit of a nuisance: in large gaggles the darned thing made more noise than my audio vario. As well, I found the "radar" tracking feature a useless distraction. So I thought I would fly a contest with Stealth mode enabled by default as well as Competition mode (higher alarm thresholds, enabled using the cflags command in the configuration file, see the dataport specification for details).

It all worked as intended. Warning threshold is "just right" for competition use and overall distraction level is happily low.

The fraction of pilots at this contest using Flarm was happily high. I heard "Thanks Flarm!" and similar on the radio many times.

Evan Ludeman / T8