Fred Fugen and Vince Reffet took more than 100 practice flights to ideal the hazardous stunt with pilot Philippe Bouvier and co-ordinator and navigator Yves Rossy.
With its mountainous terrain and stupendous views, Switzerland has always been popular with basejumpers, who fling themselves from cliffs and "fly" through the air using a wingsuit before landing in a field.
Wingsuit flyers Fred Fugen and Vince Reffet jump off the summit of Jungfrau mountain.
They completed the free fall by entering the cabin of the airborne craft using its side door, which was just a few metres away from the spinning propeller.
Video: Wingsuit maniacs jump INTO passing airplane
This was a homage to a BASE-jumper called Patrick de Gayardon, who jumped out of a plane and then flew back into it in 1997, according to CNET.
Fred Fugen and Vince Raffet managed to land inside of a small plane after jumping from one of the highest peaks in Switzerland.
Fugen and Reffet known as the "Soul Flyers" are two BASE-jumping experts from France.
'We had to make the plane safe so we don't hurt ourselves if we touch it. That's why we wanted to train so much before going to the mountain. You're falling down and all of a sudden there's no air anymore.