Jetscream 32
>I would not allow anyone to fly my cub unless they knew how to listen to the airframe both with the noisy bit and with the feel etc <
Totally agree, old mate. I've a lot of hours instructing on them. The only way to know if the guy up front is getting it right is to listen to the engine and airframe noise and glance at the wing tip (for attitude reference). Works a treat - you can see b*g*er-all from the back !