Bush plane short landing - GIF

[Saltfever]

It's not the flaps. Its the SLATS. Look at the leading edge of the wing. The slats are extended and they are what give controllability at very slow speed by preventing flow separation at the leading edge of the wing. Very few general aviation planes have slats.

[Inflight]

Based on the paint, I'm confident this is a CubCrafters Carbon Cub. With the Rotax 915 iS engine putting out about 160 hp.