All planes in the De Havailland "Moth" series, F/A 18 Hornet, De Havailland Mosquito, Focke Wulf TA 154 Moskito, Fairey Firefly, A 37 Dragonfly, Piper Grasshopper...
There was another aircraft that had the record of being the smallest aircraft in the world. I believe it was called 'The Bumble Bee'. But unfortunately, it crashed.