Sikorsky S-2
The Sikorsky S-2 was the second fixed wing aircraft designed by Igor Sikorsky using the main wing section from the S-1 and a Anzani 3 three-cylinder engine in a tractor configuration. During the first flight attempt on June 3, 1910, the biplane reached a height of two to four feet and traveled approximately . After several successful flights the S-2 was destroyed on June 30 when Sikorsky inadvertently stalled the underpowered aircraft at an altitude of .