It’s no secret that the world of general aviation is having a bad time of it. Sales are off, there’s ever more governmental restriction on the freedom to fly and the recent wanton destruction of Meigs Field in Chicago seemed to cast more doom and gloom on the scene.

Yet, still they come. “They” in this case being new general aviation products and services. Realizing full well that the current doldrums are the bottom of the next upswing, some companies haven’t slowed the flow of new ideas and many of these are making it to market. Which are the good ones and which are the also- rans? That’s where we come…